Literatura académica sobre el tema "Strain aging"

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Artículos de revistas sobre el tema "Strain aging"

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Mardoukhi, Ahmad, Jari Rämö, Taina Vuoristo, Amandine Roth, Mikko Hokka, and Veli-Tapani Kuokkala. "Effects of microstructure on the dynamic strain aging of ferriticpearlitic steels at high strain rates." EPJ Web of Conferences 183 (2018): 03009. http://dx.doi.org/10.1051/epjconf/201818303009.

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This paper presents an experimental study of the effects of dynamic strain aging on the mechanical behavior of selected high carbon and chromium-manganese steels in dynamic loading condition. In ferritic-pearlitic steels, the dynamic strain aging is typically caused by carbon, nitrogen, and possibly some other small solute atoms. Therefore, the thermomechanical treatments affect strongly how strong the dynamic strain aging effect is and at what temperature and strain rate regions the maximum effect is observed. In this work, we present results of the high temperature dynamic compression tests
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Samek, Ludovic, Jakub Dykas, Emmanuel De Moor, and Adam Grajcar. "Strain-Ageing of Low-Alloyed Multiphase High-Strength Steels." Metals 10, no. 4 (2020): 439. http://dx.doi.org/10.3390/met10040439.

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The strain-aging of low alloyed, multiphase high-strength steels with strain-induced austenite to martensite transformation was studied. The influence of prestrain, aging time, and temperature dependence of the static strain aging was carried out. Ageing temperatures between 60 and 220 ∘ C and aging times from 20 to 10,000 min were investigated. The choice of steel composition allowed studying the influence of alloying elements, such as Si and Al, on the static strain aging behavior. Samples after aging were studied using light-optical microscopy, X-ray diffraction, and in-depth transmission e
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Baraz, V. R. "Strain aging austenitic steels." Metal Science and Heat Treatment 29, no. 10 (1987): 736–39. http://dx.doi.org/10.1007/bf00707730.

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Wang, Xiaorong, and Christopher G. Robertson. "Memory of Prior Dynamic Strain History in Filled Rubbers." Rubber Chemistry and Technology 83, no. 2 (2010): 149–59. http://dx.doi.org/10.5254/1.3548271.

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Abstract We recently discovered that particle-reinforced rubbers after being sheared (or aged) in oscillation at a frequency ƒa at a small strain γa (e.g., ∼1% strain) for time ta can often display a spectrum hole or drop in their dissipation spectra. The location of the hole depends on the aging strain amplitude γa. The depth of this hole is influenced by both the oscillatory aging frequency ƒa and the aging duration ta, and follows a simple power relationship of the product of ƒa and ta. Sequential shear at two strains reveals that when γa1>γa2 the resulting dynamic spectra appear to
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de Bengy, Anne-France, Johanna Decorps, Lisa S. Martin, et al. "Alpha-Lipoic Acid Supplementation Restores Early Age-Related Sensory and Endothelial Dysfunction in the Skin." Biomedicines 10, no. 11 (2022): 2887. http://dx.doi.org/10.3390/biomedicines10112887.

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Many changes characterize skin aging, and the resulting dysfunctions still constitute a real challenge for our society. The aim of this study was to compare the skin aging of two rat strains, Wistar and Brown Norway (BN), considered as “poorly aging” and “healthy aging” models, respectively, and to assess the effect of alpha-lipoic acid (LPA), especially on skin microcirculation. To this purpose, various skin characteristics were studied at 6, 12, and 24 months and compared to the results of LPA treatment performed at 12 or 24 months. Skin aging occurred in both strains, but we showed an early
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Zhang, Si Qian, Liang Mao, and Li Jia Chen. "Dynamic Strain Aging during Tensile Deformation of Extruded AZ81 Magnesium Alloy." Advanced Materials Research 652-654 (January 2013): 1937–41. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.1937.

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Serrated flow has been observed in AZ81 alloy during tensile deformation. The observed static strain ageing effect and negative strain rate sensitivity suggest that the serrated flow is due to interaction between dislocations and solute atoms, know as dynamic strain ageing (DSA). The Portevin-Le Chatelier effect is observed at temperatures between 150oC~200oC and 125oC~200oC. In the microstructure of deformed samples dislocations and twins is observed. It is suggested that the occurrence of the dynamic strain aging is associated with interactions between solute atoms and dislocations.
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Xue, Rongjie, Linzhi Zhao, and Jiaojiao Yi. "Strain aging in metallic glasses." Materials Letters 306 (January 2022): 130931. http://dx.doi.org/10.1016/j.matlet.2021.130931.

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Ohmori, Masanobu, Yasunori Harada, Misao Itoh, and Fusahito Yoshida. "Dynamic Strain Aging in Chromium." Journal of the Japan Institute of Metals 54, no. 3 (1990): 270–75. http://dx.doi.org/10.2320/jinstmet1952.54.3_270.

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Sun, Qian, Sha Yu, Hong Wang, Huijuan Ma, Huanhuan Li, and Zhili Hu. "Experimental and Simulation Study for the Influence of Thermal Pre-Deformation on Subsequent Aging Precipitation Kinetics of Al-Zn-Mg-Cu Alloy." Materials 15, no. 13 (2022): 4634. http://dx.doi.org/10.3390/ma15134634.

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Deformation and heat treatment are important means to strengthen aluminum alloys. However, the influence mechanism of pre-strain on aging precipitation kinetics and its effect on mechanical properties are still not clear. In this work, uniaxial isothermal tensile tests with different strains and artificial aging treatments for Al-Zn-Mg-Cu alloys have been carried out. Then, a model describing the precipitates kinetic behavior has been developed to investigate the effect of thermal pre-strain on subsequent aging precipitation kinetics and peak aging microhardness based on the microstructure cha
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Gao, Li Lan, Xu Chen, and Hong Gao. "Creep-Recovery Behaviors of Anisotropic Conductive Adhesive Film with Temperature and Hygrothermal Aging." Advanced Materials Research 509 (April 2012): 16–21. http://dx.doi.org/10.4028/www.scientific.net/amr.509.16.

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The effects of temperature, stress level and hygrothermal aging on the creep-recovery behaviors of anisotropic conductive adhesive film (ACF) were investigated experimentally using a dynamic mechanical analyzer (DMA). It is found that the initial strains, instantaneous strains, and creep or recovery rates increase with increasing temperature,however decrease with increasing hygrothermal aging time. The change of creep or recovery rates at low temperature is apparent, however the creep or recovery rates increase obviously at temperatures above 25 oC with increasing stress level. For the hygroth
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Tesis sobre el tema "Strain aging"

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Paul, Graeme William Alexander. "Strain aging of high carbon steel wire." Thesis, University of Strathclyde, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366744.

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Dehghani, Kamran. "Static and dynamic strain aging in "Interstitial-free" steels." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0027/NQ50143.pdf.

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Cunningham, Sandra. "Effect of substitutional elements on dynamic strain aging in steel." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0017/MQ55019.pdf.

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Cunningham, Sandra 1974. "Effect of substitutional elements on dynamic strain aging in steel." Thesis, McGill University, 1999. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=29855.

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Distinct serrations had been observed on the stress-strain curves of various steels tested previously at high temperatures (950--1100°C) at McGill University. An explanation proposed for this behavior was that dynamic strain aging (DSA), caused by the presence of substitutional elements, was taking place. To investigate the possibility that the jerky flow was caused by an interaction between dislocations and substitutional elements, the conditions of temperature and strain rate under which serrated yielding had previously been observed were explored. In addition, some of the same material was
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Wei, Qingfeng 1971. "Strain-induced precipitation in ferrite during isothermal aging of Nb microalloyed steel." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82641.

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In niobium (Nb) microalloyed steels one of the strengthening mechanisms is precipitation of Nb(C, N). Precipitation in austenite has been studied and applied for many decades, but its precipitation in ferrite has been paid less attention. Some of the findings are somewhat contradictory.<br>Due to environmental and resource saving consideration in recent years, more and more scrap has been recycled and re-used. Thus, tramp elements inevitably exist in steel such as Cu, Sn, Ni and so on. These elements may influence properties of steels at some extent although they are very little in cont
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Lobo, David. "Static and dynamic strain aging of 304 stainless steel at high temperatures." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=31060.

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Distinct yield drops and serrations were observed on the stress-strain curves of a 304 type stainless steel when tested at high temperatures (850--1200ºC). A proposed explanation for the behavior is static strain aging (SSA) and dynamic strain aging (DSA), respectively, caused by the presence of substitutional elements.<br>Much of the previous work on this topic has been focused on the effects of interstitials, namely carbon and nitrogen, at lower temperatures (100--300ºC, depending on the strain rate). However, for substitutional elements to have the same effect, the temperature range must be
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Mojtaba, Mansouri Arani. "Static strain aging in low carbon ferrite-pearlite steel : forward and reverse loading." Thesis, University of British Columbia, 2015. http://hdl.handle.net/2429/55894.

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The combination of static strain aging and plastic strain reversal is important to understand for both the forming of components and also analysis of in service performance, for example, in the case of fabrication of pipeline, motor shafts or structural components in buildings and ships. Static strain aging phenomenon has been experimentally studied for the cases of forward and reverse re-straining after aging on a low carbon steel (0.16 wt% C) with a ferrite-pearlite microstructure. Torsion tests on hollow tubular samples were used for the mechanical tests. The shear strain on the surface of
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Kemp, Ian Paul. "Heat generation and strain aging in the production of high strength steel wire." Thesis, University of Leeds, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375961.

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Vyvial, Brent Aron. "Characterizing strain in the proximal rat tibia during electrical muscle stimulation." Texas A&M University, 2003. http://hdl.handle.net/1969.1/5760.

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Hindlimb unloading is a widely used model for studying the effects of microgravity on a skeleton. Hindlimb unloading produces a marked loss in bone due to increased osteoclast activity. Electrical muscle stimulation is being investigated as a simulated resistive exercise countermeasure to attenuate this bone loss. I sought to determine the relationship between strain measured at the antero-medial aspect of the proximal diaphysis of tibia and plantar-flexor torque measured at the ankle during electrical muscle stimulation as an exercise countermeasure for hindlimb unloading in rats. A mathemati
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Butler, Barbara L. "Separation of a brewing yeast strain of Saccharomyces cerevisiae based on cellular age." Thesis, McGill University, 2002. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=78334.

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In yeast, aging appears to be marked by a progressive impairment in cellular mechanisms, resulting in irreversible changes in physiology and morphology. To date, very little has been reported about the biochemical changes that occur in yeast as a function of individual cell aging. To investigate this further, six generations of a brewing yeast strain of Saccharomyces cerevisiae (NCYC 1239) were separated according to cellular age using continuous phased culturing and biotin-streptavidin magnetic cell sorting.<br>To obtain cells with no bud scars (virgin cells), a concentrated yeast slur
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Libros sobre el tema "Strain aging"

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Jungmann, Martin. Backaches, postural decline, aging, and gravity-strain. Institute for Gravitational Strain Pathology, 1988.

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L, Weaver M., and United States. National Aeronautics and Space Administration., eds. Observations of static strain-aging in polycrystalline NiAl. National Aeronautics and Space Administration, 1996.

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D, Noebe R., and Kaufman M. J, eds. Observations of dynamic strain aging in polycrystalline NiAl. National Aeronautics and Space Administration, 1997.

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Jay, Kaufman Michael, Noebe R. D, and United States. National Aeronautics and Space Administration., eds. Kinetics of static strain aging in polycrystalline NiAl-based alloys. National Aeronautics and Space Administration, 1997.

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J, Kaufman M., and Noebe R. D, eds. Manifestations of dynamic strain aging in soft-oriented NiAl single crystals. National Aeronautics and Space Administration, 1997.

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United States. National Aeronautics and Space Administration., ed. Investigation of strain aging in the ordered intermetallic compound [beta]-NiAl. National Aeronautics and Space Administration, 1995.

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Castelli, Michael G. Thermomechanical deformation behavior of a dynamic strain aging alloy, Hastelloy X. National Aeronautics and Space Administration, 1992.

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C, Marschall, U.S. Nuclear Regulatory Commission. Office of Nuclear Regulatory Research. Division of Engineering., and Battelle Memorial Institute, eds. Effect of dynamic strain aging on the strength and toughness of nuclear ferritic piping at LWR temperatures. Division of Engineering, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, 1994.

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Guthrie, Paul. The effects of strain aging on the mechanical properties of ASTM A 500 grade B structural steel tubing. The Division, [Tennessee Valley Authority, 1986.

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George C. Marshall Space Flight Center. and United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., eds. Stress corrosion study of PH13-8Mo stainless steel using the slow strain rate technique. National Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989.

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Capítulos de libros sobre el tema "Strain aging"

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Follansbee, Paul. "A Model for Dynamic Strain Aging." In The Minerals, Metals & Materials Series. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04556-1_13.

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Kulik, Liat. "The Impact of Multiple Roles on the Well-being of Older Women: Strain or Enrichment?" In Women and Aging. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-09306-2_4.

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Min, Na, Yi Jia Gu, and Xue Jun Jin. "Strain Aging of Heavily Drawn Pearlitic Steel Wires." In Advanced Materials Research. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-463-4.1299.

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Guo, Wei Guo. "Dynamic Strain Aging during the Plastic Flow of Metals." In Engineering Plasticity and Its Applications. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-433-2.823.

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Antoun, Bonnie R., Coleman Alleman, and Kelsey De La Trinidad. "Experimental Investigation of Dynamic Strain Aging in 304L Stainless Steel." In Challenges in Mechanics of Time-Dependent Materials, Volume 2. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95053-2_10.

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Antoun, Bonnie R., Coleman Alleman, and Joshua Sugar. "Dynamic Strain Aging in Additively Manufactured Steel at Elevated Temperatures." In Thermomechanics & Infrared Imaging, Inverse Problem Methodologies and Mechanics of Additive & Advanced Manufactured Materials, Volume 7. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-59864-8_5.

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Antoine, P., B. Soenen, and Nuri Akdut. "Static Strain Aging in Cold Rolled Metastable Austenitic Stainless Steels." In THERMEC 2006. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.4891.

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Wang, Tong, Stephen Yue, and John J. Jonas. "Effect of Dynamic Strain Aging on the Strain Rate Sensitivity of a Mg-2Zn-2Nd Alloy." In Magnesium Technology 2015. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093428.ch23.

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Wang, Tong, Stephen Yue, and John J. Jonas. "Effect of Dynamic Strain Aging on the Strain Rate Sensitivity of a Mg-2Zn-2Nd Alloy." In Magnesium Technology 2015. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48185-2_23.

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Chiba, Yoichi, Atsuyoshi Shimada, and Masanori Hosokawa. "The SAM Strain of Mice, a Higher Oxidative Stress, Age-Dependent Degenerative Disease, and Senescence Acceleration Model." In Aging and Age-Related Disorders. Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60761-602-3_18.

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Actas de conferencias sobre el tema "Strain aging"

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Okazaki, Taichiro, Haruka Nakagawa, Fumika Arai, and Shaoqi Yang. "Reusability of Structural Steel Beams after Cyclic Plastic Deformation and Strain Aging." In IABSE Symposium, Tokyo 2025: Environmentally Friendly Technologies and Structures: Focusing on Sustainable Approaches. International Association for Bridge and Structural Engineering (IABSE), 2025. https://doi.org/10.2749/tokyo.2025.0166.

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&lt;p&gt;To establish steel reuse in seismic areas, the residual performance of hot rolled I-shapes after plastic deformation and strain aging was examined through 3 test series: (i) tension coupon tests, (ii) cyclic coupon tests, and (iii) cyclically-loaded beam tests. Each test was conducted in 2 phases: pre-loading to predetermined plastic deformation, curing at ambient temperature for 1 or 3 months, followed by loading to failure. Steel with free nitrogen content exceeding 0.006 wt% exhibited substantial strain aging. The beams in test series (iii) maintained their plastic strength to cycl
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Hashizume, Shuji, and Toshio Suzuki. "Effects of Strain and Aging on Mechanical Property and Corrosion Resistance of Low C-L3%Cr Steels Weld Joint." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04117.

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Abstract Martensitic stainless steels have been widely used for line pipe application because of their high strength and excellent corrosion resistance in corrosive conditions. Reeling process has started to apply from economical view point. In this paper, effect of strain and aging on mechanical property and corrosion resistance of low C-13%Cr martensitic stainless steels weld joints are examined. Low C-13%Cr-2%Mo martensitic stainless steel was welded by TIG (Tungsten Inert Gas welding) using superduplex and duplex stainless steels wires. Increase of hardness was observed after strain and ag
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Kagay, Brian, Kip Findley, Steve Coryell, and Andrew Nissan. "Slow Strain Rate and Rising Step Load Hydrogen Embrittlement Testing of UNS N07718." In CORROSION 2016. NACE International, 2016. https://doi.org/10.5006/c2016-07861.

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Abstract The influence of testing methods and microstructure on hydrogen embrittlement susceptibility of UNS(1) N07718 was assessed through slow strain rate (SSR) experiments and rising step load (RSL) testing performed in air and in a cathodic hydrogen charging test cell. The alloy was annealed and either peak-aged or over-aged to produce different strengths and precipitation conditions. The change in ductility, strength, and threshold stress intensity factor for crack growth due to hydrogen charging are compared. Over-aging resulted in superior SSR ductility ratios and higher threshold stres
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Miyata, Yukio, Mitsuo Kimura, and Haruo Nakamichi. "Interpretation of the Behavior of Carbide Prcipitation in Heat Affected Zone of Supermartensitic Stainless Steel Using Strain Aging Phenomena." In CORROSION 2009. NACE International, 2009. https://doi.org/10.5006/c2009-09086.

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Abstract A number of research works have been conducted for clarification of the mechanism of intergranular stress corrosion cracking (IGSCC) in girth welds of high grade supermartensitic stainless steel (SMSS). Although some evidence indicates that the IGSCC is caused by chromium depletion due to carbide precipitation, more confident evidence is required for clear understanding of the mechanism. In this context, behavior of the carbide precipitation was investigated using strain aging phenomena. Higher aging index was observed in solution treated steel with higher carbon content. However, no
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Mack, Robert, and Andrei Filippov. "The Effect of Cold Work and Strain Aging on the Sulfide Stress Cracking Resistance and Mechanical Properties of Expanded Tubular Steels -." In CORROSION 2003. NACE International, 2003. https://doi.org/10.5006/c2003-03108.

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Abstract The effects of simulated downhole thermal aging on a proprietary 80 ksi (550 MPa) grade of a seam welded, carbon steel pipe and API 5CT P110, seamless carbon steel pipes that had been cold worked via tubular expansion were studied in the laboratory. The aging increased the transverse compressive yield strength and hardness of the steels as well as causing a significant reduction in their resistance to sulfide stress cracking. Strain aging is responsible for these effects and indicates that it can be used to increase the collapse pressure of these expanded tubular products. Such improv
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Hung, Y. Y. "Automated shearography for nondestructive evaluation and strain measurement." In Nondestructive Evaluation of Aging Infrastructure, edited by Tobey M. Cordell and Raymond D. Rempt. SPIE, 1995. http://dx.doi.org/10.1117/12.213538.

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Johnson, Mark, and Garland Likins. "Low- and high-strain nondestructive testing of existing deep foundations." In Nondestructive Evaluation of Aging Infrastructure, edited by Soheil Nazarian and Larry D. Olson. SPIE, 1995. http://dx.doi.org/10.1117/12.209385.

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Noecker, Rick, Nathan Nissley, Ning Ma, Neeraj Thirumalai, Pamela Wojtulewicz, and Martin Hukle. "Strain Aging of C-Mn Line Pipe Steels: An Analytical Approach to Compare Strain Aging Heat Treatments." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49917.

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Static strain aging has been demonstrated to have a significant effect on the yield strength and yield point behavior of modern line pipe steels. Static strain aging can occur at many points during pipeline fabrication: during coating application, girth welding, and field joint coating. Each of these discrete thermal events is described by a unique thermal cycle (time-temperature profile). This makes it difficult to define a simulation heat treatment which would reflect the cumulative strain aging effect of all thermal events. The first section of this work describes the development of an anal
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Jones, Mark E., Jonathan A. Greene, Vikram Bhatia, et al. "Optical fiber grating-based strain and corrosion sensors." In Nondestructive Evaluation Techniques for Aging Infrastructure and Manufacturing, edited by Richard H. Bossi and Tom Moran. SPIE, 1996. http://dx.doi.org/10.1117/12.259186.

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Osegueda, Roberto A., Arturo Revilla, Leopoldo R. Pereyra, and Oscar Moguel. "Fusion of modal strain energy differences for localization of damage." In Nondestructive Evaluation Techniques for Aging Infrastructures & Manufacturing, edited by Ajit K. Mal. SPIE, 1999. http://dx.doi.org/10.1117/12.339886.

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Informes sobre el tema "Strain aging"

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Dowding, Robert J., and Kenneth J. Tauer. Strain Aging in Tungsten-Heavy Alloys. Defense Technical Information Center, 1989. http://dx.doi.org/10.21236/ada211166.

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Williams, D. N., and W. A. Maxey. NG-18-145-R01 Evaluation of an X70 Low-Carbon Bainitic-Steel Pipe. Pipeline Research Council International, Inc. (PRCI), 1985. http://dx.doi.org/10.55274/r0011900.

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Evaluates the material properties of low-carbon bainitic-steel pipe with microalloying of titanium and boron in high manganese steel. Strain aging and stepwise hydrogen-induced cracking were also evaluated.
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Cialone, H., D. N. Williams, and T. P. Groeneveld. L51621 Hydrogen-Related Failures at Mechanically Damaged Regions. Pipeline Research Council International, Inc. (PRCI), 1991. http://dx.doi.org/10.55274/r0010313.

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Leaks attributed to hydrogen-stress cracking (HSC) initiating in regions of mild mechanical damage have been reported in cathodically protected pipe lines constructed from high-strength, microalloyed, controlled-rolled steels. The hydrogen is believed to be present in service from the cathodic potential applied. Laboratory studies were initiated to determine the factors that contributed to those unexpected failures. Strain aging at ambient temperatures as a result of deformation introduced during the mechanical damage, was found to be a significant factor. Smooth-bar specimens that were strain
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Marschall, C. W., R. Mohan, P. Krishnaswamy, and G. M. Wilkowski. Effect of dynamic strain aging on the strength and toughness of nuclear ferritic piping at LWR temperatures. Office of Scientific and Technical Information (OSTI), 1994. http://dx.doi.org/10.2172/10193189.

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Singhvi, Punit, Javier García Mainieri, Hasan Ozer, and Brajendra Sharma. Rheology-Chemical Based Procedure to Evaluate Additives/Modifiers Used in Asphalt Binders for Performance Enhancements: Phase 2. Illinois Center for Transportation, 2021. http://dx.doi.org/10.36501/0197-9191/21-020.

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The increased use of softer binders in Illinois over the past decade is primarily attributed to the increased use of recycled materials in asphalt pavement construction. The shift in demand of using PG 58-28 over PG 64-22 has resulted in potential alternative methods to produce softer binders more economically using proprietary products. However, there are challenges in using these proprietary products for asphalt modification because of uncertainty in their long-term performance and significant variability in binder chemistry. The current SuperPave performance grading specification for asphal
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Morgan, Michael J. 2014 Accomplishments-Tritium aging studies on stainless steel: Fracture toughness properties of forged stainless steels-Effect of hydrogen, forging strain rate, and forging temperature. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1170524.

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Subramanian, K. H. Test Plan to Update SRS High Level Waste Tank Material Properties Database by Determining Synergistic Effects of Dynamic Strain Aging and Stress Corrosion Cracking. Office of Scientific and Technical Information (OSTI), 2002. http://dx.doi.org/10.2172/799694.

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Wiener, Joshua M., Mary E. Knowles, and Erin E. White. Financing Long-Term Services and Supports: Continuity and Change. RTI Press, 2017. http://dx.doi.org/10.3768/rtipress.2017.op.0042.1709.

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This article provides an overview of financing for long-term services and supports (LTSS) in the United States, paying special attention to how it has changed and not changed over the last 30 years. Although LTSS expenditures have increased greatly (like the rest of health care), the broad outline of the financing system has remained remarkably constant. Medicaid—a means-tested program—continues to dominate LTSS financing, while private long-term care insurance plays a minor role. High out-of-pocket costs and spend-down to Medicaid because of those high costs continue to be hallmarks of the sy
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Moghtadernejad, Sara, Ehsan Barjasteh, Ren Nagata, and Haia Malabeh. Enhancement of Asphalt Performance by Graphene-Based Bitumen Nanocomposites. Mineta Transportation Institute, 2021. http://dx.doi.org/10.31979/mti.2021.1918.

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As the State of California continues to grow, demand for enhanced infrastructure such as roadways and highways escalates. In view of the current average highway lifespan of 15–20 years, the improvement of asphalt binders leads to material sustainability by decreasing required maintenance and increasing the lifespan of roadways. In the present investigation, enhancement of asphalt binder properties was achieved by different methods of mixing varying compositions of graphene nanoparticles with an SBS polymer and asphalt binder. Additionally, experimental evaluation and comparison of the rheologi
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Maxey and Barnes. L51622 The Chevron Notched Drop-Weight-Tear-Test Specimen. Pipeline Research Council International, Inc. (PRCI), 1990. http://dx.doi.org/10.55274/r0010366.

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This research is aimed at finding a new type of notch that would produce propagation data similar to that produced by the PC DWTT. High-toughness materials and materials that had previously been studied were used assuming that if the new notch worked on these materials it would be satisfactory for lower toughness materials. Several notch modifications were tried and most were no better than the standard pressed notch used in the API specimen. A search for a new type of notch for the standard drop-weight-tear-test (DWTT) specimen has been completed. This new notch specimen is to replace the pre
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