Academic literature on the topic 'Steel, High strength. Steel alloys'

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Journal articles on the topic "Steel, High strength. Steel alloys"

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Lad’yanov, V. I., G. A. Dorofeev, E. V. Kuz’minykh, V. A. Karev, and A. N. Lubnin. "ALUMINOBAROTHERMIC SYNTHESIS OF HIGH-NITROGEN STEEL." Izvestiya. Ferrous Metallurgy 62, no. 2 (March 30, 2019): 154–62. http://dx.doi.org/10.17073/0368-0797-2019-2-154-162.

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High-nitrogen austenitic steels are promising materials, combining high strength, plasticity and corrosion resistance properties. However, to produce high-nitrogen steel by conventional metallurgical methods under high nitrogen pressure, powerful and complex metallurgical equipment is required. From energy-saving viewpoint, an alternative and simpler method for producing high-nitrogen steels can be aluminothermy (reduction of metal oxides by metallic aluminum) under nitrogen pressure. Thermodynamic modeling of aluminothermic reactions in a nitrogen atmosphere was carried out by the authors. Aluminothermy under nitrogen pressure was used to produce high-nitrogen nickel-free Cr – N and Cr – Mn – N stainless steels with a nitrogen content of about 1 %. Microstructure (X-ray diffraction, metallography and transmission electron microscopy techniques) and mechanical properties were examined. Thermodynamic analysis has shown that the aluminothermic reduction reactions do not go to the end. The most important parameter of the synthesis is the ratio of Al and oxygen in the charge, the correct choice of which provides a compromise between completeness of oxides reduction, content of aluminum and oxygen in steel (the degree of deoxidation), and its contamination with aluminum nitride. Cr – N steel ingots in the cast state had the structure of nitrogen perlite (ferrite-nitride mixture), and Cr – Mn – N steel – ferrite-austenite structure with attributes of austenite discontinuous decomposition with Cr2 N precipitations. Quenching resulted in complete austenization of both steels. The compliance of the austenite lattice parameter obtained from the diffractograms for quenched Cr – Mn – N steel with the parameter predicted from the known concentration dependence for Cr – Mn – N austenitic steels indicated that all alloying elements (including nitrogen) were dissolved in austenite during aging at quenching temperature and fixed in the solid solution by quenching. Study of the mechanical properties of quenched Cr – Mn – N steel has shown a combination of high strength and ductility. It is concluded that by the aluminothermic method a high-nitrogen steel can be obtained, which, by mechanical properties, is not inferior to industrial steel – analog manufacted by electroslag remelting under nitrogen pressure.
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Lucaci, Mariana, Magdalena Lungu, Eugeniu Vasile, Virgil Marinescu, Dorinel Talpeanu, Gabriela Sbarcea, Nicolae Stancu, et al. "Advanced High Strength Steel (AHSS) Alloys." Journal of the American Romanian Academy of Arts and Sciences 1, no. 1 (August 15, 2017): 46–50. http://dx.doi.org/10.14510/araj.2017.4122.

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Bui, Anh-Hoa, and Hoang Le. "STRENGTH AND MICROSTRUCTURE OF COLD-ROLLED IF STEEL." Acta Metallurgica Slovaca 22, no. 1 (March 29, 2016): 35. http://dx.doi.org/10.12776/ams.v22i1.690.

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<p>With the emerge of vacuum technology, it is possible to produce ultra low carbon (ULC) steels with carbon content of less than 0.005 %mass which is called interstitial free (IF) steels. In this study, strength and microstructure of IF steel after cold-rolling have been determined. The initial steel plates were cold-rolled using two different cold reductions (CR) as 80 and 90% in total, thereafter the steel sheets were cut into specimens for tensile test and optical microscopy. Ultimate tensile strength (UTS) of the cold-rolled steel was high (650¸807 MPa), but the elongation (EL) was low (3.5¸5.3%). Meanwhile, UTS of the annealed steels was decreased to 290 MPa when soaking temperature was 800<sup>o</sup>C because of stress relief and recrystallization. It was concluded that higher CR (more severe deformation) increased the strength but decreased the ductility of the IF steels. In consistence with micrograph of the steels, X-ray diffraction (XRD) results showed that microstructure of the cold-rolled and annealed IF steels was only ferrite. Textures, one of the most important factors affecting the recrystallization, were found in cold-rolled steels.</p>
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Hu, Min. "Study on Welding Technology of Low Alloy High Strength Steel." Key Engineering Materials 814 (July 2019): 242–47. http://dx.doi.org/10.4028/www.scientific.net/kem.814.242.

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WELDOX series steels are commonly used structural steels. The effects of welding voltage, welding current and arc height on penetration and weld width of WELDOX960 steel sheet were studied. The mechanical properties and microstructure of WELDOX960E high strength steel welded joints were study by tensile, bending, impact, hardness and metallographic analysis.
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Song, Quan Ming, and David Wert. "State of the Art Stainless Steel Provides Improved Properties for Widely Varying Applications." Advanced Materials Research 413 (December 2011): 341–46. http://dx.doi.org/10.4028/www.scientific.net/amr.413.341.

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Carpenter Technology Corporation’s Custom 465® stainless steel is a state-of-the-art alloy which has seen its applications expanding at a rapid rate. This alloy is a premium double vacuum melted (VIM/VAR) martensitic precipitation hardening stainless steel that offers an excellent combination of strength, toughness, and corrosion resistance. With its exceptional properties, design engineers have specified the alloy for high-performance components in various industries, such as aerospace, industrial, energy, consumer and medical. The high strength, greater than 250 ksi (1722 MPa) typical, and toughness of the alloy have allowed Custom 465 stainless to be used as a high-strength upgrade to conventional PH stainless steels such as 13-8 and 17-4. The addition of corrosion resistance to the high strength and toughness properties has allowed the alloy to be used as a stainless alternative to non-stainless steels such as AISI 4340 and 300M. This paper will compare mechanical and corrosion resistance properties of Custom 465 stainless steel to those of other PH stainless steels such as 17-4, 15-5, and 13-8, as well as to those of other aerospace alloys such as 300M and AerMet® 100 alloy. In addition, examples of the varied uses of the alloy will be provided, these examples will highlight the benefits obtained by the use of Custom 465 stainless steel over the previous alloys of choice for the applications.
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Montemarano, T. W., B. P. Sack, J. P. Gudas, M. G. Vassilaros, and H. H. Vanderveldt. "High Strength Low Alloy Steels in Naval Construction." Journal of Ship Production 2, no. 03 (August 1, 1986): 145–62. http://dx.doi.org/10.5957/jsp.1986.2.3.145.

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The Naval Sea Systems Command has recently certified a lower-cost alternative steel to the HY-80 steel presently used in construction of naval surface ships. This alternative steel is based on the commercial development of high strength low alloy (HSLA) steels originally directed to the offshore oil exploration platform and gas line transmission industries. The certification is a result of an ongoing research and development program begun in 1980. This paper addresses several aspects of the HSLA steel development effort, including a discussion of the properties and metallurgy of this steel, and the cost savings which are achievable. Finally, the status of the current and planned Navy HSLA usage and the R&D program is described.
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Zhang, Mei, Jun Zhang, Yu Xiang Ning, Tao Wang, and Zi Wan. "Springback Behavior of Advanced High Strength Steel (AHSS) CP800." Advanced Materials Research 820 (September 2013): 45–49. http://dx.doi.org/10.4028/www.scientific.net/amr.820.45.

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800MPa grade Advanced High Strength Steels (AHSS), Complex Phase steel CP800, containing microalloying elements, are chosen to test the stamping properties in different test conditions and compared with traditional high strength low alloy (HSLA) steels HSLA S700MC. Tensile test, and HAT shape stamping test are taken to investigate the properties of the materials. Test results indicate that the studied 800MPa grade AHSS shows a better strength ductility balance compared with the reference HSLA steels. Under the same HAT shape springback stamping condition, HSLA steels S700MC always show the largest springback deformation among the investigated steels. While springback angles of all the AHSS studied are markedly smaller than that of steel S700MC. Among the 3 kinds of AHSS researched, CP800T always show the largest springback deformation. Domestic steel CP800 and imported CP800S show much smaller springback deformation respectively. In BHF of 100KN condition, springback deformation of 3 kinds of AHSS reaches the top value among all the BHF conditions. However, steel CP800 indicates an outstanding springback restrain trend in blank holding force (BHF) further increasing attempt. Thus, springback behavior can be restricted obviously by using a larger blank holding force (BHF) in steel CP800 stamping cases.
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Kazior, Jan, Aneta Szewczyk-Nykiel, Tadeusz Pieczonka, Marek Hebda, and Marek Nykiel. "Properties of Precipitation Hardening 17-4 PH Stainless Steel Manufactured by Powder Metallurgy Technology." Advanced Materials Research 811 (September 2013): 87–92. http://dx.doi.org/10.4028/www.scientific.net/amr.811.87.

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Alloys from austenitic and ferritic stainless steel found to be satisfactory for a great many applications. However, for applications that require higher levels of strength and hardness from the martensitic grades are frequently specified. Martensitic stainless steels offer significantly higher strengths but have to low ductility. For this reason for application where high levels of strength and a moderate ductility is required, the precipitation strengthened stainless steels are often considered. One of the most popular alloy of this kind of stainless steel is 17-4 PH. The aim of the present paper was to examined the influence the process parameters in conventional powder metallurgy processing on the mechanical properties of the 17-4 PH alloy in both as-sintered and heat treated conditions. In was found that temperature of aged is a very sensitive parameter for obtained high strength and acceptable ductility.
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Rogachev, S. O., A. Ya Stomakhin, S. A. Nikulin, M. V. Kadach, and V. M. Khatkevich. "STRUCTURE AND MECHANICAL PROPERTIES OF AUSTENITIC Cr – Ni – Ti STEELS AFTER HIGH-TEMPERATURE NITRIDING." Izvestiya. Ferrous Metallurgy 62, no. 5 (June 19, 2019): 366–73. http://dx.doi.org/10.17073/0368-0797-2019-5-366-373.

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Alloying of corrosion-resistant austenitic steels with nitrogen is widely used in production to stabilize austenite and to improve the strength and other properties of the metal. The possibility of alloying titanium-containing steels with nitrogen by introducing nitrogen into the melt is not possible, as it causes formation of the coarse defects in steel during casting and solidification of the metal (twisting of the peel, large nitride inclusions, accumulations of nitrides, etc.). The method of high-temperature gas nitriding can be alternative to liquid-phase nitriding for alloying austenitic titanium-containing chromium-nickel steels with nitrogen in order to increase their strength properties. In this work, we investigated the possibility of increasing the strength characteristics of thin-sheet austenitic corrosion-resistant Cr – Ni – Ti (Kh18N12T type) steel, containing 1.5 % and 3 % of titanium, through the use of solid-phase high-temperature nitriding. The nitriding was carried out at a temperature of 1000 – 1100 °С in an atmosphere of pure nitrogen for 5 or 8 hours. The average mass fraction of nitrogen in the samples after nitriding for 5 hours was 0.6 % and 0.7 % for the steels with 1.5 and 3 % of titanium, respectively, and after nitriding for 8 hours – 0.8 % and 0.9 %. It was shown that high-temperature nitriding followed by annealing provides a significant (by 2 – 3 times) increase in the metal strength characteristics compared with the state before nitriding, but reduces the ductility. Ductility of the steel is restored during final processing. For Kh18N12Т type steel with 1.5 % of titanium, an increase in the yield strength is obtained – by 3.3 times (from 180 to 600 MPa), strength – by 1.8 times (from 540 to 970 MPa), with a relative elongation of 28 %. An additional increase in strength properties was not found for the steel with 3 % titanium. The obtained results show the possibility of obtaining thin-sheet titanium-containing high-nitrogen steel (or products from it, for example, thin-walled pipes) by applying solid-phase high-temperature nitriding.
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Swindeman, R. W., and M. Gold. "Developments in Ferrous Alloy Technology for High-Temperature Service." Journal of Pressure Vessel Technology 113, no. 2 (May 1, 1991): 133–40. http://dx.doi.org/10.1115/1.2928737.

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Developments during the past twenty-five years are outlined for the technology of ferrous alloys needed in elevated temperature service. These developments include new alloys with improved strength and corrosion resistance for use in nuclear, fossil, and petrochemical applications. Specific groups of alloys that are addressed include vanadium-modified low alloy steels, 9Cr-1Mo-V steel, niobium-modified lean stainless steels, and high chrome-nickel iron alloys. A brief description of coating and claddings for improved corrosion resistance is also provided.
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Dissertations / Theses on the topic "Steel, High strength. Steel alloys"

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Chen, Jhewn-Kuang. "Effects of alloying elements upon austenite decomposition in high strength low alloy steels." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10102009-020227/.

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Schroth, James Gregory. "Combined mode I - mode III fracture toughness of a high-strength low-alloy steel /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487260859496482.

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Donohoe, C. J. "Corrosion fatigue of a high strength low alloy steel." Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322985.

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Squires, Lile P. "Friction Bit Joining of Dissimilar Combinations of Advanced High-Strength Steel and Aluminum Alloys." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/4104.

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Friction bit joining (FBJ) is a new method that enables lightweight metal to be joined to advanced high-strength steels. Weight reduction through the use of advanced high-strength materials is necessary in the automotive industry, as well as other markets, where weight savings are increasingly emphasized in pursuit of fuel efficiency. The purpose of this research is twofold: (1) to understand the influence that process parameters such as bit design, material type and machine commands have on the consistency and strength of friction bit joints in dissimilar metal alloys; and (2) to pioneer machine and bit configurations that would aid commercial, automated application of the system. Rotary broaching was established as an effective bit production method, pointing towards cold heading and other forming methods in commercial production. Bit hardness equal to the base material was found to be highly critical for strong welds. Bit geometry was found to contribute significantly as well, with weld strength increasing with larger bit shaft diameter. Solid bit heads are also desirable from both a metallurgical and industry standpoint. Cutting features are necessary for flat welds and allow multiple material types to be joined to advanced high-strength steel. Parameters for driving the bit were established and relationships identified. Greater surface area of contact between the bit and the driver was shown to aid in weld consistency. Microstructure changes resulting from the weld process were characterized and showed a transition zone between the bit head and the bit shaft where bit hardness was significantly increased. This zone is frequently the location of fracture modes. Fatigue testing showed the ability of FBJ to resist constant stress cycles, with the joined aluminum failing prior to the FBJ fusion bond in all cases. Corrosion testing established the use of adhesive to be an effective method for reducing galvanic corrosion and also for protecting the weld from oxidation reactions.
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Tungala, Vedavyas. "Exceptional Properties in Friction Stir Processed Beta Titanium Alloys and an Ultra High Strength Steel." Thesis, University of North Texas, 2017. https://digital.library.unt.edu/ark:/67531/metadc984167/.

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The penchant towards development of high performance materials for light weighting engineering systems through various thermomechanical processing routes has been soaring vigorously. Friction stir processing (FSP) - a relatively new thermomechanical processing route had shown an excellent promise towards microstructural modification in many Al and Mg alloy systems. Nevertheless, the expansion of this process to high temperature materials like titanium alloys and steels is restricted by the limited availability of tool materials. Despite it challenges, the current thesis sets a tone for the usage of FSP to tailor the mechanical properties in titanium alloys and steels. FSP was carried out on three near beta titanium alloys, namely Ti6246, Ti185 and Tiβc with increasing β stability index, using various tool rotation rates and at a constant tool traverse speed. Microstructure and mechanical property relationship was studied using experimental techniques such as SEM, TEM, mini tensile testing and synchrotron x-ray diffraction. Two step aging on Ti6246 had resulted in an UTS of 2.2GPa and a specific strength around 500 MPa m3/mg, which is about 40% greater than any commercially available metallic material. Similarly, FSP on an ultra-high strength steel―Eglin steel had resulted in a strength greater than 2GPa with a ductility close to 10% at around 4mm from the top surface of stir zone (SZ). Experimental techniques such as microhardness, mini-tensile testing and SEM were used to correlate the microstructure and properties observed inside SZ and HAZ's of the processed region. A 3D temperature modeling was used to predict the peak temperature and cooling rates during FSP. The exceptional strength ductility combinations inside the SZ is believed to be because of mixed microstructure comprised of various volume fractions of phases such as martensite, bainite and retained austenite.
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Hu, Wei. "Data-driven metallurgical design for high strength low alloy (HSLA) steel." [Ames, Iowa : Iowa State University], 2008.

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Danks, Daniel. "Wear and microstructure of eutectoid steels /." Full text open access at:, 1989. http://content.ohsu.edu/u?/etd,113.

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Coimbatore, Dhandayuth Venkatesh. "Cerium chloride inhibition for high strength low alloy steel exposed to sulphide polluted seawater." University of Western Australia. School of Mechanical Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0134.

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[Truncated abstract] Corrosion of steel structures caused by sulphide is a common engineering problem encountered by many industries, such as the petroleum, chemical processing, mining and mineral processing industries. The control of sulphide corrosion is still a controversial topic among corrosion engineers. There is an absence of guideline for a reliable acceptable limit of sulphide level in service and each processing industry has its own empirical values. Selection of inhibitors in the sulphide environment depends on laboratory testing before its actual application in pipelines and reaction vessels. Many investigators have postulated the corrosion mechanisms due to sulphide based on operating envelopes such as pH, chloride, manganese, hydrogen sulphide, sulphate reducing bacteria levels and inhibitor concentration. It is recommended in the literature that the batch dosing of inhibitor and biocide needs to be evaluated in regards to sulphide reducing bacteria (SRB) level, which may produce sulphide concentrations up to 2000 ppm. Although sulphide scale formation may protect the base metal by providing a physical barrier, the detrimental effects of sulphide are often inevitable, such as stress corrosion cracking, hydrogen embrittlement, etc. Currently, there are many chemicals that are used as inhibitors to prevent corrosion by scavenging the sulphide from the environment. Cerium, a rare-earth element, is not used as inhibitor in the sulphide environment. Also, there are no previous research findings on the effects of compounds of rare-earth metals, such as cerium chloride (CeCl3), in sulphide environment. This research examines the corrosion behaviour of 0.4Mo-0.8Cr steel, a High Strength Low Alloy (HSLA) steel, in sulphide-polluted artificial seawater with the addition of CeCl3 and glutaraldehyde. ... It is postulated that the moderate inhibiting effect of CeCl3 is due to the scavenging effect thereby forming Ce2S3 complex. Further reaction of sulphide with steel resulted in ferrous sulphide, leading to an increased corrosion rate. It is also concluded that the CeCl3 interferes with both anodic and cathodic reactions in deaerated conditions. Addition of glutaraldehyde in the sulphide-polluted seawater was found to decrease the corrosion rate. According to the electrochemical measurements conducted, the concurrent addition of glutaraldehyde and CeCl3 appeared to have an added effect on reducing the corrosion of the steel, as evidenced by the increase of the open circuit potential during the short-term testing. From the weight loss measurements after 60 days, sulphide pollution in deaerated seawater was found to increase corrosion rate. This is attributed to the increase of sulphide activity whereby continual dissolution of steel was encountered. From the weight loss tests, it was found that the addition of CeCl3 and glutaraldehyde reduced the corrosion rate of the steel in the solutions containing 0-10 ppm sulphide. There is no noticeable corrosion rate decrease for the solution containing 100 ppm sulphide. The added effect of CeCl3 and glutaraldehyde to the SRB medium has resulted in lower corrosion rates. Further detailed experimentation is required to elucidate the corrosion reduction mechanism in glutaraldehyde-containing environments.
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Wrigley, Nigel Stuart. "The fracture characteristics of a boron containing high strength low alloy steel." Thesis, University of Salford, 1994. http://usir.salford.ac.uk/43037/.

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This study is concerned with the fracture characteristics of RQT 701; a possible contender for the replacement of HY 100, the existing 690MNm-2 (100,000psi) strength level Naval quality steel. RQT 701 is a low nickel, boron containing quenched and tempered steel which is less expensive than HY 100 due to a lower nickel content. The hardenability is maintained by the boron addition. The preliminary testing of RQT 701 showed a variation in the impact transition temperature through the thickness of the plate. This study examines the possible causes of this variation in impact properties and makes a full assessment of the mechanical properties of RQT 701. A full metallographic investigation has been carried out using quantitative metallography, scanning electron microscopy and transmission electron microscopy. The effect of heat treatment on the steel's hardenability and mechanical properties has been studied so that suggestions to produce optimum properties of RQT 701 could be made. A full fractographic study has also been undertaken. The relationship between fracture characteristics, microstructure and hardenability has been discussed. A parallel investigation of HY 100 plate has been carried out. A comparison between the microstructures and fracture properties has been made and the relative merits of the two steels discussed.
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Thompson, Alan. "High Strain Rate Characterization of Advanced High Strength Steels." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2831.

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The current research has considered the characterization of the high strain rate constitutive response of three steels: a drawing quality steel (DDQ), a high strength low alloy steel (HSLA350), and a dual phase steel (DP600). The stress-strain response of these steels were measured at seven strain rates between 0. 003 s-1 and 1500 s-1 (0. 003, 0. 1, 30, 100, 500, 1000, and 1500 s-1) and temperatures of 21, 150, and 300 °C. In addition, the steels were tested in both the undeformed sheet condition and the as-formed tube condition, so that tube forming effects could be identified. After the experiments were performed, the parameters of the Johnson-Cook and Zerilli-Armstrong constitutive models were fit to the results.

In order to determine the response of the steels at strain rates of 30 and 100 s-1, an intermediate rate tensile experiment was developed as part of this research using an instrumented falling weight impact facility (IFWI). An Instron tensile apparatus was used to perform the experiments at lower strain rates and a tensile split-Hopkinson bar was used to perform the experiments at strain rates above 500 s-1

A positive strain rate sensitivity was observed for each of the steels. It was found that, as the nominal strength of the steel increased, the strain rate sensitivity decreased. For an increase in strain rate from 0. 003 to 100 s-1, the corresponding increase in strength at 10% strain was found to be approximately 170, 130, and 110 MPa for DDQ, HSLA350, and DP600, respectively.

The thermal sensitivity was obtained for each steel as well, however no correlation was seen between strength and thermal sensitivity. For a rise in temperature from 21 to 300 °C, the loss in strength at 10% strain was found to be 200, 225, and 195 MPa for DDQ, HSLA350, and DP600, respectively for the 6 o?clock tube specimens.

For all of the alloys, a difference in the stress ? strain behaviour was seen between the sheet and tube specimens due to the plastic work that was imparted during forming of the tube. For the DP600, the plastic work only affected the work-hardening response.

It was found that both the HSLA350 and DDQ sheet specimens exhibited an upper/lower yield stress that was amplified as the strain rate increased. Consequently the actual strength at 30 and 100 s-1 was obscured and the data at strain rates above 500 s-1 to be unusable for constitutive modeling. This effect was not observed in any of the tube specimens or the DP600 sheet specimens

For each of the steels, both the Johnson-Cook and Zerilli-Armstrong models fit the experimental data well; however, the Zerilli-Armstrong fit was slightly more accurate. Numerical models of the IFWI and the TSHB tests were created to assess whether the experimental results could be reproduced using the constitutive fits. Both numerical models confirmed that the constitutive fits were applied correctly.
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Books on the topic "Steel, High strength. Steel alloys"

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International, Conference on HSLA Steels (1985 Beijing China). HSLA steels, metallurgy and applications: Proceedings of an International Conference on HSLA Steels '85, 4-8 November 1985, Beijing, China. [Metals Park, Ohio]: ASM International, 1986.

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J, DeArdo A., Iron and Steel Society, and Minerals, Metals and Materials Society., eds. Proceedings of the International Conference on Processing, Microstructure, and Properties of Microalloyed and Other Modern High Strength Low Alloy Steels: June 3-6, 1991, Pittsburgh, PA. Warrendale, PA: Iron & Steel Society, 1992.

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Microalloying '88 (1988 Chicago, Ill.). Microalloyed HSLA steels: Proceedings of Microalloying '88 held in conjunction with the 1988 World Materials Congress, Chicago, Illinois, USA, 24-30 September 1988. [Metals Park? Ohio]: ASM International, 1988.

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S, Kirkaldy J., Hawbolt E. B, Yue S, and Conference of Metallurgists (34th : 1995 : Vancouver, B.C.), eds. Phase transformations during the thermal/mechanical processing of steel: Proceedings of the International Symposium on Phase Transformations During the Thermal/Mechanical Processing of Steel - honouring Professor Jack Kirkaldy, Vancouver, British Columbia, August 20-24, 1995. Montreal: Canadian Institute of Mining, Metallurgy and Petroleum, 1995.

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Pressure, Vessels and Piping Conference (1986 Chicago Ill ). Properties of high-strength steels for high-pressure containments: Presented at the 1986 Pressure Vessels and Piping Conference and Exhibition, Chicago, Illinois, July 20-24, 1986. New York, N.Y. (345 E. 47th St., New York 10017): American Society of Mechanical Engineers, 1986.

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Pressure Vessels and Piping Conference (1986 Chicago, Ill.). Properties of high-strength steels for high-pressure containments: Presented at the 1986 Pressure Vessels and Piping Conference and Exhibition, Chicago, Illinois, July 20-24, 1986. New York, N.Y. (345 E. 47th St., New York 10017): American Society of Mechanical Engineers, 1986.

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Günther, Hans-Peter, ed. Use and Application of High-Performance Steels for Steel Structures. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2005. http://dx.doi.org/10.2749/sed008.

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<p>New steel production processes have led to a remarkable improve­ment in steel products within the last few years, and now allows steels to be produced according to the desired mechanical and chemical properties. High-Performance Steel (HPS) is the designa­tion given to this new generation of steels that offer higher performance not only in terms of strength but also toughness, weld­ability, cold formability and corrosion resistance, compared to the traditionally used mild steel grades.</p> <p>The development of HPS goes with today's increased demand for slender lightweight structures, as for example in bridge design and the design of high-rise buildings, where there is a strong require­ment to use high-strength materials in combination with good execution and fabrication properties. However, on the structural engineering side there is a need for knowledge on these new steel grades, and quite often design codes do not provide sufficient information to fully exploit the advantageous properties of HPS.</p> <p>The present volume provides an overview of the development and application of HPS on an international level. This is done by giving information on, for example, the production process, the chemical and mechanical properties, the relevant design and fabrication standards and on recent research results. Approximately fifteen included examples of realised applications aim to provide detailed information based on existing technical solutions, and to point out the major benefits when using HPS in comparison to mild steels.</p> <p>The document is thus not a monograph but an assembly of contri­butions from different countries. lt is separated into chapters related to different countries, namely the USA, Canada, Japan and Europe, all of them providing a state-of-the-art report on HPS.</p>
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Osuch, Władysław. Bliźniaki przemiany w stalach niskowęglowych. Kraków: Wydawnictwa AGH, 2010.

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International Conference on HSLA Steels (1990 Beijing, China). HSLA steels, processing, properties and applications: Proceedings of the Second International Conference on HSLA Steels October 28th-November 2nd, 1990, Beijing, China. Warrendale, PA: Minerals, Metals & Materials Society, 1992.

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Bose, Waldek Wladimir Filho. Micromechanisms of brittle fracture in high strength low alloy steel weld metals. Birmingham: University of Birmingham, 1995.

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Book chapters on the topic "Steel, High strength. Steel alloys"

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Sha, Wei. "High-Strength Low-Alloy Steel." In Steels, 27–58. London: Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4872-2_2.

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Shen, Y. F., and L. Zuo. "High-Strength Low-Alloy Steel Strengthened by Multiply Nanoscale Microstructures." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 187–93. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48767-0_18.

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Shen, Y. F., and L. Zuo. "High-Strength Low-Alloy Steel Strengthened by Multiply Nanoscale Microstructures." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 187–93. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119223399.ch18.

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Clausen, Brigitte, Christoph Stöberl, Werner Trojahn, and Hans-Werner Zoch. "Improved Chemical Composition of Low Alloyed High Carbon Martensitic Bearing Steels for Higher Fatigue Strength." In Bearing Steel Technologies: 10th Volume, Advances in Steel Technologies for Rolling Bearings, 1–21. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2014. http://dx.doi.org/10.1520/stp158020140039.

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Yang, Xiaojiang, Mingsheng Xia, Hongbo Zhang, Bin Han, and Guilan Li. "The Mechanical Property of Batch Annealed High Strength Low Alloy Steel HC260LA." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 635–39. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119223399.ch77.

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Yang, Xiaojiang, Mingsheng Xia, Hongbo Zhang, Bin Han, and Guilan Li. "The Mechanical Property of Batch Annealed High Strength Low Alloy Steel HC260LA." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 635–39. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48767-0_77.

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Wang, Xinhua, Min Jiang, Bing Chen, and Wanjun Wang. "Study of Non-metallic Inclusions in High Strength Alloy Steel Refined by Using High Basicity and High Al2O3 Content Slag." In Advanced Steels, 485–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17665-4_48.

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Agrawal, B. P., and Ramkishor Anant. "Hot Corrosion Study on Dissimilar Weld Joints of Austenitic Stainless Steel and High Strength Low Alloy Steel." In Lecture Notes in Mechanical Engineering, 747–56. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4320-7_66.

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Shen, H. P., X. Y. Cheng, H. Li, S. Y. Zhang, and L. C. Su. "Effect of Copper Alloy Element on Corrosion Properties of High Strength Mooring Chain Steel." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 1201–9. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119223399.ch150.

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Shen, H. P., X. Y. Cheng, H. Li, S. Y. Zhang, and L. C. Su. "Effect of Copper Alloy Element on Corrosion Properties of High Strength Mooring Chain Steel." In HSLA Steels 2015, Microalloying 2015 & Offshore Engineering Steels 2015, 1201–9. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48767-0_150.

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Conference papers on the topic "Steel, High strength. Steel alloys"

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Geng, H. C., Z. J. Wang, K. Wang, Y. L. Wang, and Y. S. Zhang. "Simulation on Direct Contact Heating of Aluminum Alloys." In 4th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU2018). WORLD SCIENTIFIC, 2018. http://dx.doi.org/10.1142/9789813277984_0039.

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Foster, J. T., W. W. Chen, and V. K. Luk. "Dynamic fracture initiation toughness of high strength steel alloys." In DYMAT 2009 - 9th International Conferences on the Mechanical and Physical Behaviour of Materials under Dynamic Loading. Les Ulis, France: EDP Sciences, 2009. http://dx.doi.org/10.1051/dymat/2009058.

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Cai, Z. H., P. Batthyány, S. Dhawan, Q. L. Zhang, Y. H. Sun, X. Luan, L. L. Wang, and M. M. Gharbi. "Study of Springback for High Strength Aluminium Alloys Under Hot Stamping." In 4th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU2018). WORLD SCIENTIFIC, 2018. http://dx.doi.org/10.1142/9789813277984_0019.

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Jin, J. C., H. R. Gu, Y. G. Liu, W. Zhang, H. Zhan, and Y. Y. Ji. "Development of High Strength Boron Alloyed Steel." In The 2nd International Conference on Advanced High Strength Steel and Press Hardening (ICHSU 2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789813140622_0002.

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Cancio, Maria Jose, Bruno Giacomel Eloff, Gustavo Kissner, Martin Valdez, and Francisco Vouilloz. "High Strength Low Alloy Steel for HPHT Wells." In Offshore Technology Conference-Asia. Offshore Technology Conference, 2014. http://dx.doi.org/10.4043/24746-ms.

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Kim, Min-Chul, Ki-Hyoung Lee, Bong-Sang Lee, and Whung-Whoe Kim. "Mechanical Properties of SA508 Gr.4N Model Alloys as a High Strength RPV Steel." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-26002.

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Demands of RPV materials with higher strength and toughness are rising to increase the power capacity and the operation life of nuclear power plants. The ASME SA508 Gr.4N specification can give a superior toughness and strength to the commercial low alloy steels such as SA508 Gr.3. However, the SA508-Gr.4N steels have not yet been used commercially due to a lack of information of the productivity and the age related properties. While the irradiation embrittlement studies are going-on, the current paper focused on the effects of alloying elements such as Ni, Cr and Mo on the fracture mechanical properties of the SA508 Gr.4N low alloy steels. Various model alloys were fabricated by changing the contents of alloying elements based on the composition range of the ASME specification. Tensile properties, Charpy impact toughness and fracture toughness of the model alloys were evaluated and those properties were discussed with the microstructural characteristics of each alloy. The strengths of the alloys were increased with increase of the Ni and Mo contents while there was no remarkable change of the yield strength with the Cr addition. The Charpy impact and fracture toughness were considerably improved with the increase of Ni, Cr contents. The Mo addition did not change the toughness properties significantly. The Cr contents were more effective on the fracture toughness through changing the carbides precipitation characteristics and the Ni contents were effective on the Charpy impact toughness through changing the effective grain size.
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Tabuchi, Masaaki, Hiromichi Hongo, and Fujio Abe. "Creep Strength of Dissimilar Weld Using High B-9Cr Steel for A-USC Boiler." In ASME 2013 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/pvp2013-97659.

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The research project aiming to commercialize 700°C class pulverized coal power system; advanced ultra-super critical (A-USC) pressure power generation has been conducted in Japan from 2008. In A-USC boilers, Ni base or Ni-Fe base alloys are used for high temperature parts at 650–700°C and advanced high Cr ferritic steels are planning to be used at the temperatures lower than 650°C. Because the high B-9Cr steel developed in National Institute for Materials Science (NIMS) has improved creep strength in weldments, it is one of the candidate materials for A-USC boilers. In the present paper, the creep tests of the dissimilar welds between high B-9Cr steels and Ni base alloys were conducted. In the heat affected zone (HAZ) of the high B-9Cr steels, fine-grained microstructures were not formed and grain size of the base metal was retained. Free boron on the grain boundaries is considered to affect the mechanisms of the α-γ transformation during weld thermal cycle. Consequently, the creep rupture lives of the dissimilar welds between high B-9Cr steels and Ni base alloys were 5–10 times longer than those of the conventional 9Cr steel welds at 650°C.
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Siciliano, Fulvio, Douglas G. Stalheim, and J. Malcolm Gray. "Modern High Strength Steels for Oil and Gas Transmission Pipelines." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64292.

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Increasing world demand for energy has resulted in plans to expand the oil and gas transmission pipeline infrastructure in many countries utilizing higher strength steels of API grade X70 and X80. Traditional transmission pipeline steels, up to grade X70, relied on a ferrite/pearlite microstructural design generated through traditional TMCP rolling of a niobium microalloyed C-Mn steel design. Increasing strengths up to X70 and X80 for transmission pipelines has resulted in a shift toward a ferrite/acicular ferrite microstructure designs. Traditionally, to generate the ferrite/acicular ferrite microstructure design for X70 or X80, TMCP rolling is applied to a C-Mn-Si-Mo-Nb alloy system. The Nb content is typically less than 0.070% in this alloy system. With the rising cost of alloys over the past three years, steel and pipe producers have been working with different alloy designs to reduce total costs to produce the ferrite/acicular ferrite microstructure. In recent developments it has been determined that an optimized low-C-Mn-Si-Cr-Nb alloy design (usually referred as NbCr steel), utilizing an Nb content between 0.080 – 0.11% can produce the same ferrite/acicular ferrite microstructure with either no, or minimal, use of molybdenum. This approach has been successfully used in several transmission pipeline projects such as the Cantarell, Cheyenne Plains and Rockies Express. Recognizing the success of previous projects around the world, the large ∼ 4500 Km 2nd West-East Pipeline Project specification in China has been modified to allow for the use of this NbCr design for both plate and coil for conversion to long seam or spiral pipe. The NbCr design allows the steel producer to utilize niobium’s unique ability to retard recrystallization at higher than normal TMCP rolling temperatures, hence the term for the alloy design High Temperature Processing (HTP), producing the desired ferrite/acicular ferrite microstructure with excellent strength, toughness and weldability. This paper will discuss the technical background, rolling strategy, mechanical properties, welding, specific projects, and specification modifications with practical examples.
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An, B. Q., Y. Z. Geng, Y. B. Li, Z. Y. Han, Y. P. Sun, and X. L. Yu. "Numerical Simulation of Hot Stamped 7075 Aluminum Alloy." In 4th International Conference on Advanced High Strength Steel and Press Hardening (ICHSU2018). WORLD SCIENTIFIC, 2018. http://dx.doi.org/10.1142/9789813277984_0038.

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Van den Abeele, F., J. Peirs, P. Verleysen, F. Oikonomides, and J. Van Wittenberghe. "Dynamic Behaviour of High Strength Pipeline Steel." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90224.

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The occurrence of a longitudinal crack propagating along a gas pipeline is a catastrophic event, which involves both economic losses and environmental damage. Hence, the fracture propagation control is essential to ensure pipeline integrity. The commonly used ductile fracture control strategy for the design of high pressure pipelines is the Battelle Two Curve Method. This approach stipulates that if there is a crack speed at a given pressure that exceeds the gas decompression velocity at the same pressure, propagation will occur. However, for high strength pipeline steels, this method does not yield conservative predictions, as the absorbed impact energy during a Charpy test no longer reflects the actual burst behaviour of the pipe. Enhanced toughness measures, like Crack Tip Opening Angle and instrumented Battelle Drop Weight Tear test are being proposed as alternative options. These emerging toughness tests are complemented by numerical simulations of ductile crack propagation and arrest. Most of these models are based on the computation of void growth, and account for the local softening of the material due to void growth and subsequent coalescence. The constitutive behaviour of the sound pipeline steel is often modelled as merely an elastoplastic law, measured under quasi-static conditions. However, both Charpy tests and Battelle tests are dynamic events, which require knowledge of the strain rate sensitivity of the pipeline material. In addition, very high strain rates can occur in the vicinity of a running crack in a high pressure gas pipeline. Hence, the constitutive model for the pipeline steel has to account for strain rate sensitivity. In this paper, Split Hopkinson Tensile Bar (SHTB) experiments are reported on high strength pipeline steel. Notched tensile tests are performed at high strain rates, to assess the influence of both strain rate sensitivity and triaxiality on the response of the material. In addition, dynamic experiments are conducted at low temperatures (−70°C) to evaluate the ductility of pipeline steel under such severe conditions. The results allow discriminating between the effects of strain rate, triaxiality and temperature, and provide reliable experimental data to accurately model the constitutive behaviour of high strength pipeline steel.
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Reports on the topic "Steel, High strength. Steel alloys"

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Maziasz, P. J., and R. W. Swindeman. Development of Advanced Corrosion-Resistant Fe-Cr-Ni Austenitic Stainless Steel Alloy with Improved High-Temperature Strength and Creep-Resistance. Office of Scientific and Technical Information (OSTI), June 2001. http://dx.doi.org/10.2172/940246.

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Asaoka, Junya, Takahiro Shinoda, Katsumi Mori, Takashi Kano, and Kenichiro Kimura. Development of New Alloy Steel and Its Application for Both High Fatigue Strength and High Machinability by Utilizing New Inclusion Morphology Control Technology. Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0094.

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Babu, S. S., S. A. David, and G. R. Edwards. High-Strength Steel Welding Research. Fort Belvoir, VA: Defense Technical Information Center, May 1997. http://dx.doi.org/10.21236/ada324975.

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Churchill, Robin K., Jack H. Devletian, and Daya Singh. High Yield Strength Cast Steel With Improved Weldability. Fort Belvoir, VA: Defense Technical Information Center, May 1991. http://dx.doi.org/10.21236/ada451557.

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Gedeon, Steven A. Hydrogen Assisted Cracking of High Strength Steel Welds. Fort Belvoir, VA: Defense Technical Information Center, May 1988. http://dx.doi.org/10.21236/ada196738.

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Stephens, Elizabeth V., Mark T. Smith, Glenn J. Grant, and Richard W. Davies. Forming Limits of Weld Metal in Aluminum Alloys and Advanced High-Strength Steels. Office of Scientific and Technical Information (OSTI), October 2010. http://dx.doi.org/10.2172/1004542.

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Kanne, W. R. High Strength Stainless Steel Properties that Affect Resistance Welding. Office of Scientific and Technical Information (OSTI), August 2001. http://dx.doi.org/10.2172/784245.

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Josephson, Ryan. Development of Ferrium S53 High-Strength, Corrosion-Resistant Steel. Fort Belvoir, VA: Defense Technical Information Center, January 2009. http://dx.doi.org/10.21236/ada606996.

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Upadhyay, Piyush, Hrishikesh Das, Jian Chen, Zhili Feng, Hui Huang, Yong Chae Lim, Yuan Li, et al. Solid-State Joining of Magnesium Sheet to High-Strength Steel. Office of Scientific and Technical Information (OSTI), February 2021. http://dx.doi.org/10.2172/1772623.

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Kern, C., K. Sassaman, C. Keuhmann, and D. Tibbitts. Evaluation of Protection Schemes for Ultrahigh-Strength Steel Alloys for Landing Gear Applications. Fort Belvoir, VA: Defense Technical Information Center, July 2011. http://dx.doi.org/10.21236/ada582540.

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