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Relevant bibliographies by topics / Steel fasteners

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Academic literature on the topic 'Steel fasteners'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Steel fasteners"

1

Williams, Thomas R., Xuemeng Xia, Thomas E. Darby, and Stephen R. Sharp. "Evaluation of Stainless Steel Fasteners for Bolted Field Splice Connections of ASTM A1010 Corrosion-Resistant Steel Plate Girders." Transportation Research Record: Journal of the Transportation Research Board 2630, no. 1 (January 2017): 85–94. http://dx.doi.org/10.3141/2630-11.

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The Virginia Department of Transportation, Richmond, initiated this study to compare the mechanical properties, availability, and costs of stainless steel fastener materials for use with ASTM A1010 stainless steel plate. The investigation focused on fastener materials included in ASTM A193 and compared them with ASTM A325 bolts. The ASTM A193 bolts tested were the B6, B8, and B8M. Test results indicated that the ASTM A193 B8 fasteners provided the most economic combination of mechanical strength, corrosion resistance, and cost. Uniaxial tension tests and Skidmore–Wilhelm rotational capacity tests revealed that the B6 fasteners had high strength but lower ductility, whereas the B8M fasteners had lower strength but higher ductility. The B8 fastener had an ideal combination of strength and ductility. The mechanical performance of the ASTM A193 fasteners was improved further by the use of hardened washers. Because the bolts are hot forged, sensitization, which can reduce corrosion resistance, was of concern. Standard testing indicated that the B8 and B8M as-received bolts were unsensitized. The cost of the B8 fasteners compared favorably with that of other stainless steel fasteners. Further, the B8 fasteners are available from manufacturers that comply with Buy America requirements. The cost of stainless steel fasteners is higher than that of ASTM A325 steel fasteners. As their use increases, however, larger orders may help reduce prices. The initial research indicates that stainless fasteners could be a structurally sound option to use to build reduced maintenance bridges.

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Lin, Hsiu Ting, Meng Ting Tsai, and Anthony Sugiharto Wonodihardjo. "Withdrawal Resistance and Failure Mode of Semi-Circular Wooden Composite with Different Fasteners." Key Engineering Materials 765 (March 2018): 295–99. http://dx.doi.org/10.4028/www.scientific.net/kem.765.295.

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Wooden Composite is assembled with semi-circular waste wood by fastener, in order to provide local Indonesian affordable construction components potentially. Considering wooden composite, the withdrawal resistance affect the shear resistance ability under short-term lateral load, therefore withdrawal test is carried out in this study. The withdrawal test shows that steel nail and self-tapping screw work properly to attach each specimen when considering the assembly of wood composite. The observation results indicate different types of fasteners affect the test result significantly. For the fasteners connected with hardwood, the test result shows higher withdrawal resistance than softwood, both using self-tapping screw and steel nail. Based on the test results, there are 3 main failure modes that is concluded, which are fastener failure, material failure, and conditional failure. The test result of self–tapping screw also shows that this kind of fastener is able to withstand 3.5 times stronger than steel nail.

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Marshall, R. S., R. G. Kelly, A. Goff, and C. Sprinkle. "Galvanic Corrosion Between Coated Al Alloy Plate and Stainless Steel Fasteners, Part 1: FEM Model Development and Validation." Corrosion 75, no. 12 (October 2, 2019): 1461–73. http://dx.doi.org/10.5006/3308.

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Aerospace structures often involve dissimilar materials to optimize structural performance and cost. These materials can then lead to the formation of galvanic couples when moisture is present. Specifically, noble metal fasteners (such as SS316) are often used in aluminum alloy load-bearing structures, which can lead to accelerated, localized corrosion attack of the aluminum alloy due to the cathodic current supplied by the SS316 fastener. This localized attack is difficult to predict, and tests are often expensive, so modeling of these galvanic couples could be of great utility. The work reported here focuses on the galvanic coupling between fasteners installed in a panel test assembly, and the resultant corrosion damage down the fastener holes. This arrangement is a common assembly geometry in aerospace applications. A specific sol-gel coating was applied to the fasteners, to determine its effectiveness on mitigating galvanic corrosion; bare fasteners were also tested, to investigate a worst-case scenario. Geometric constraints in the model were made to match those of an experimental test panel, which was exposed to ASTM B117 salt fog for 504 h. The electrochemical boundary conditions were generated in solutions appropriate to the material and environment to which it would be exposed. Anodic charge passed during exposure was calculated from image analyses of the corrosion damage in the experimental test, and the results were compared with the model. The Laplacian-based model provides a very good first approximation for predicting the damage within the fastener hole. Validation was provided by both experimental results generated in this study as well as comparison to results in the literature that used similar, but not identical, conditions.

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Mahar, Akshay Mangal, and S. Arul Jayachandran. "A Computational Study on Buckling Behavior of Cold-Formed Steel Built-Up Columns Using Compound Spline Finite Strip Method." International Journal of Structural Stability and Dynamics 21, no. 05 (February 16, 2021): 2150064. http://dx.doi.org/10.1142/s0219455421500644.

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This paper presents a computational methodology to compute the critical buckling stress of built-up cold-formed steel columns joined with discrete fasteners. The fasteners are modeled as three-dimensional beam elements, and their effect is integrated into the spline finite strip framework, evolving the compound strip methodology. Although this technique has been presented in the literature, this paper presents yet another robust framework for the buckling load evaluation of compound cold-formed steel columns with arbitrarily located fasteners. The proposed framework is applied to study the effect of fasteners on the formation of local, distortional, and global buckling modes of built-up section and a comparison is drawn with the buckling behavior of a single section. In this study, the proposed formulations are also used to get insights into the stability behavior of single-span and multi-span compound cold-formed steel columns in the presence of (i) fasteners with varied spacings with respect to span and (ii) the presence of the additional restraining system such as wall panels. For different buckling modes, a significant increment in buckling stress for a built-up section from a single section is observed when the fastener spacing is kept less than the critical buckling half-wavelength of the respective buckling modes. The study on the effect of wall panels shows that in comparison to unsheathed wall studs, the sheathed wall studs that produce additional constraints lead to the elimination of the global buckling deformations. The proposed formulations are simple, yet rigorous and have been validated using finite element-based numerical results.

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Nedashkovskiy, K. I., A. V. Gulshin, Yu M. Averina, V. A. Naumkina, V. V. Menshikov, and V. S. Boldyrev. "Investigating Corrosion Resistance of Heavy-Duty Steel Fasteners Regarding Assemblies Operating in Maritime Climates under High Pressures Power, Metallurgical and Chemical Engineering." Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering, no. 1 (130) (February 2020): 94–106. http://dx.doi.org/10.18698/0236-3941-2020-1-94-106.

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The paper presents investigation results and a technology for manufacturing fastener workpieces out of the 07Kh16N6-Sh (07Х16Н6-Ш) steel using high-temperature heat treatment. The steel undergoing our testing was additionally doped with molybdenum, as reflected in the 07Kh16N6M-Sh (07Х16Н6М-Ш) designation, which facilitated grain refinement. We implemented accelerated climate testing of bolts in order to assess the corrosion cracking resistance of 07Kh16N6-Sh (07Х16Н6-Ш), 07Kh16N6M-Sh (07Х16Н6М-Ш) and 13Kh15N4AM3-Sh (13Х15Н4АМ3-Ш) steel fasteners in maritime climates.

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Hyie, Koay Mei, Salina Budin, Normariah Che Maideen, and Yudi Rahmawan. "Static Electroplating of Iron Triad on Fastener Washers." Key Engineering Materials 879 (March 2021): 275–83. http://dx.doi.org/10.4028/www.scientific.net/kem.879.275.

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Fasteners are commonly used in construction industry for parts joining purpose. There are many types of construction fasteners such as stud, bolt, anchor, nut, screw, and washer. The major problem of the fastener made by carbon steel is the poor resistance to corrosion. Electroplating is a simple yet low-cost tool to give a strong corrosion protection coating layer on the carbon steel. This study was performed to investigate the effect of current and deposition time on the iron triad (cobalt-nickel-iron) electroplating on the fastener washer. The experiment was conducted at 50 °C, pH 1-3 and at different electroplating time (30 minutes to 90 minutes) and current (0.2 A to 0.5 A). Burnt-out surface coating was observed on the fastener washer when the current was more than 0.4 A. A field test was carried out for 60 days to observe the corrosion behavior and performance of the products. Scanning electron microscope (SEM) analysis showed that a thin protection layer with 5.64 µm was formed at 60 minutes of electroplating time and 0.4 A of current. The surface roughness of the fastener washer was increased by increasing the electroplating time and current. The hardness was also improved with higher current and electroplating time if compared to the original fastener washer. The result of this study confirmed that a strong adhesive corrosion resistant layer to the fastener washer was using the current of 0.4 A (77 mA/cm2) and the electroplating time of 60 minutes.

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Moisidis, N. T., and M. D. Ratiu. "Pump and Valve Fastener Serviceability in PWR Nuclear Facilities." Journal of Pressure Vessel Technology 118, no. 1 (February 1, 1996): 38–41. http://dx.doi.org/10.1115/1.2842160.

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The results of several studies conducted on corrosion of carbon and low-alloy steels in borated water have shown that impingement of borated steam on ferritic steels or contact with a moist paste of boric acid can lead to high corrosion rates due to high local concentrations of boric acid on the surface. The corrosion process of the flange fasteners of pumps and valves is considered a material compatibility and equipment maintenance problem. Therefore, the nuclear utilities of pressurized water reactor (PWR) power plants can prevent this damage by implementing appropriate fastener steel replacement and extended inspections to detect and correct the cause of leakage. A 3-phase corrosion protection program is presented for implementation based on system operability, outage-related accessibility, and cost of fastener replacement versus maintenance frequency increase. A selection criterion for fastener material is indicated based on service limitation: preloading and metal temperature.

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Nassar, Sayed A., and Ali A. Alkelani. "Clamp Load Loss due to Elastic Interaction and Gasket Creep Relaxation in Bolted Joints." Journal of Pressure Vessel Technology 128, no. 3 (July 30, 2005): 394–401. http://dx.doi.org/10.1115/1.2218343.

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An experimental study is presented in order to determine the clamp load loss due to elastic interaction and gasket creep relaxation in bolted joints. Studied parameters include the gasket material and thickness, bolt spacing, tightening sequence, fastener grip length, and level of the fastener preload. The joint is composed of two steel flanges and a gasket made of styrene butadiene rubber or flexible graphite. The flanges are fastened together using M12x1.75 Class 10.9 fasteners. Force washers are used to monitor bolt tensions in real time. Four different gasket thicknesses of styrene butadiene rubber (1/16, 1/8, 3/16, and 1/4 in.) and two thicknesses of flexible graphite (1/16 and 1/8 in.) are considered. For the same bolt circle of the flange, the bolt spacing is varied by using a different number of bolts; spacing that corresponds to using three, five, or seven bolts is considered in this study. The effect of the tightening strategy is studied by using sequential, star, or simultaneous tightening patterns. Bolt tightening is accomplished by using either an electric digital torque wrench with various control options or by using a production-size multiple spindle fastening system that is capable of simultaneous tightening of all fasteners. Experimental data is presented and analyzed, in order to study the effect of the various parameters on the clamp load loss due to the combined effect of elastic interaction and gasket creep relaxation at room temperature.

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Zelinka, Samuel, Leandro Passarini, Frederick Matt, and Grant Kirker. "Corrosiveness of Thermally Modified Wood." Forests 11, no. 1 (December 31, 2019): 50. http://dx.doi.org/10.3390/f11010050.

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Thermally modified wood is becoming commercially available in North America for use in outdoor applications. While there have been many studies on how thermal modification affects the dimensional stability, water vapor sorption, and biodeterioration of wood, little is known about whether thermally modified wood is corrosive to metal fasteners and hangers used to hold these members in place. As thermally modified wood is used in outdoor applications, it has the potential to become wet which may lead to corrosion of embedded fasteners. Here, we examine the corrosiveness of thermally modified ash and oak in an exposure test where stainless steel, hot-dip galvanized steel, and carbon steel nails are driven into wood and exposed to a nearly 100% relative humidity environment at 27 °C for one year. The corrosion rates were compared against control specimens of untreated and preservative-treated southern pine. Stainless steel fasteners did not corrode in any specimens regardless of the treatment. The thermal modification increased the corrosiveness of the ash and oak, however, an oil treatment that is commonly applied by the manufacturer to the wood after the heat treatment reduced the corrosiveness. The carbon steel fasteners exhibited higher corrosion rates in the thermally modified hardwoods than in the preservative-treated pine control. Corrosion rates of galvanized fasteners in the hardwoods were much lower than carbon steel fasteners. These data can be used to design for corrosion when building with thermally modified wood, and highlight differences between corrosion of metals embedded in wood products.

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Shchepkin, Viktor, and Yuri Poletaev. "Friction welding of austenitic steel fasteners." E3S Web of Conferences 210 (2020): 08012. http://dx.doi.org/10.1051/e3sconf/202021008012.

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The purpose of this work is to increase the efficiency of manufacturing non-standard fasteners. In the course of the work, the technology of friction welding bolts, which ensures the formation of high-quality welded joins, from steels of grades 14X17H2 and 12X18H10T was experimentally investigated and developed.

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Dissertations / Theses on the topic "Steel fasteners"

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Wells, James E. "Interaction of stainless steel threaded fasteners with stainless steel locking inserts." Thesis, This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-01102009-063308/.

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Li, Xun. "Cold-Formed Steel Member Connections Using BAC Screw Fasteners." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505166/.

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In this project, the main research objective is intend to seek criteria for evaluating the capacity of BAC screw fasteners with mixed configuration of waterproof seal washer, sealer tape and different pre-drill holes to determine shear and tension strength values for the screws used in cold-formed steel connections. The thesis presents the design methods and test program conducted to investigate the behavior and strength of the screw connections in shear and tension test. Test results were compared with AISI design provisions to determine if new design equations will be developed for those screws used in BAC cooling tower applications. LRFD resistance factors and ASD safety factors were investigated to the proposed design equations.

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Brahimi, Salim. "Effect of surface processing variables on hydrogen embrittlement of steel fasteners." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112560.

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Incremental step load testing was used in accordance with ASTM F1940 to rank a number coating processes used in the fastener industry for their propensity to cause internal hydrogen embrittlement. The results showed that coating permeability has a first order effect, while the quantity of hydrogen introduced by the process has a second order effect. Pure zinc electroplating processes, alkaline and acid, were found to be the most embrittling, owing to the low permeability of zinc. The least embrittling processes were zinc-nickel, alkaline and acid, owing to the high permeability of Zn-Ni coatings. Non-electrolytic processes, namely phosphating, mechanical galvanising, DacrometRTM and Magni 555RTM were found to be non-embrittling. Hot dip galvanising was found to be highly embrittling, evidently due to trapped hydrogen being released by the thermal shock of up-quenching upon immersion in molten zinc. The full effect of up-quenching on the metallurgical and mechanical properties of high strength steel requires further investigation.

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Whittaker, Jarrod Talbott. "Ductility and Use of Titanium Alloy and Stainless Steel Aerospace Fasteners." Scholar Commons, 2015. http://scholarcommons.usf.edu/etd/5796.

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The main purpose of this thesis is to investigate the ductility and application of titanium alloys, like titanium 6Al-4V, when used in aerospace fasteners compared to more conventional stainless steel aerospace fasteners such as A286. There have been concerns raised about the safe usability of titanium 6-4 in the aerospace industry due to its lack of strain hardening. However, there is a lack of data pertaining to this concern of safe usage which this thesis aims to address. Tensile tests were conducted to find the ductility indexes of these fasteners which quantify the amount of plastic to elastic elongation. From the tests conducted it was found that the two materials yield and tensile strengths were very similar, though the ductility index of A286 is on average ten times greater than that of titanium 6-4. This thesis includes joint diagram examples that analyze typical joints using both materials. It was found from joint diagram examples that the lower ductility index of the titanium alloy will only be detrimental to use at higher preloads. However, the titanium alloy can be used safely in place of A286 in most loading situations just with narrower safety margins in these controlled examples.

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Strocchia, Leonard D. "Evaluation of deck fasteners functioning as shear connectors for composite steel joists." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42213.

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The use of deck fasteners as shear connectors for composite open web steel joists is studied. Results of thirty-six push-off tests are evaluated in terms of strength and behavior. Six types of deck fasteners are considered. They are: 1. #12-24 Teks/5 self-drilling, self-tapping screws. 2. 1/4-14 Teks/3 with a 1 1/4 in. stand-off sleeve. 3. 1/4-14 Teks/3 with a 1 3/4 in. stand-off sleeve. 4. 1/4-14 Teks/3 with a 2 1/4 in. stand-off sleeve. 5. 0.150 in. dia. air fired pins. 6. Puddle welds (5/8 in. and 3/4 in. diameter). All push-off tests utilize Vulcraft 1.5 VL, 22 gage, composite deck. Several modifications to the typical push-off test arrangement are made, which will permit the test to more closely model the top chord of an open web steel joist. It was found from the push-off test results that all of the deck fasteners, tested in this study, can obtain composite action for snort span open web steel joists with the exception of 0.150 in. diameter air fired pins. A description and the results of each push-off test is included.
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Boyes, Robert. "Adhesive bonding of stainless steel : strength and durability." Thesis, Sheffield Hallam University, 1998. http://shura.shu.ac.uk/3115/.

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Adhesive bonding as an alternative method of joining materials together has many advantages over the more conventional joining methods such as fusion and spot welding, bolting and riveting. For example, adhesives can be used to bond dissimilar materials, adhesive joints have a high stiffness to weight ratio and the stress distribution within the joint is much improved. Stainless steels are commonly used in applications that would clearly benefit from adhesive bonding; architectural cladding, because of the large bond areas involved, and in the railway industry, due to improved acoustic insulation and greater fatigue resistance. The work presented in this thesis is concerned with adhesive bonding of stainless steels intended for structural applications. As a starting point to the investigation, a review of the literature was conducted, covering the intrinsic mechanisms of adhesion, the significance of the chemical and physical nature of the adherend surface, the types of structural adhesives, the methods of testing adhesive joints and surface characterisation techniques. The first experimental stage, involved a screening programme to evaluate a number of candidate adhesive systems and adherend surface pre-treatments. Standard single overlap shear and floating roller peel tests conducted in ambient conditions were employed in the discrimination and the degree of compatibility between adhesive and adherend, as measured by the proportion of cohesive failure on the post-fracture face, was also considered. In the second stage of the experimental work, lap shear tests were used to evaluate the affects of surface contamination on joint strength. In addition, lap shear and peel tests were considered to assess the significance of the adhesive bondline and primer thickness. In order to assess the environmental durability of adhesive joints, lap shear and peel tests were conducted after ageing in ambient and high humidity environments. To compliment the data, Boeing wedge crack extension tests were also carried out on adhesive bonded joints incorporating adherends with different surface conditions, to investigate the contribution to joint strength in ambient and adverse environments afforded by surface pre-treatment. The next stage of the experimental work was designed to evaluate the significance of the adherend type and its thickness on initial lap shear strength. Several different commercial grades and gauges of stainless steel were used in the tests, which were conducted at room temperature. The final stage of the experimental work was concentrated on the room temperature creep and dynamic fatigue performance of adhesive joints. Throughout the course of study a number of different surface analytical techniques were employed to physically and chemically characterise the surfaces of pm-bonded adherends and to identify the locus of failure on post-fracture faces. The single overlap shear and floating roller peel tests were able to differentiate between the candidate adhesives; epoxy systems, particularly the toughened variants, were considered the most suitable structural adhesives for bonding stainless steels in load bearing applications. However, these tests and subsequent tests using lap shear and peel, failed to discriminate conclusively between the different surface pre-treatments (except untreated or crudely prepared surfaces) and ageing environments. The Boeing wedge crack extension tests were found to be sensitive to the condition of the adherend surface and the environment in which the joint is located; roughening the surface of the adherend either chemically or physically was found to enhance joint durability in ambient, high humidity and sub-zero environments. The use of surface primers and coupling agents may protect the un-bonded surface and benefit joint durability, but excessively thick primer layers may reduce joint strength. The stiffness of the adherend material was found to significantly influence lap shear strength. Stiffer adherends, either thicker or inherently stronger, give higher joint strengths because they resist joint rotation and the peel stresses at the extremes of the overlap are minimised. Lap joints with low stiffness adherends will fail by peel-dominated, adherend-controlled failure and lap joints with high stiffness adherends will fail by shear-dominated, adhesive-controlled failure. Two elastic models were proposed for determining the elastic rotation and the line peel force as a function of the shear stress. The room temperature creep results showed an endurance limit of -40% mean static failure load (design load = 250 N.mni1 ). The dynamic fatigue results were favourable compared to those of spot welded and weldbonded joints and an endurance limit of 40% mean static failure load (design load = 250 N.mm-1 ) was observed. Finally, leaving the hard fillets of cured adhesive squeeze-out, intact at the extremes of the overlap, will reinforce the joint and minimise the rotation-induced peel stresses that will lead to premature failure when the adherend plastically deforms under static or dynamic loading.

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El-, Shihy A. M. "Unwelded shear connectors in composite steel and concrete structures." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374861.

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Debarbouille, Quentin. "Consequences of using Eurocode 5 for design of steel-timber connections." Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-12499.

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Timber construction has increased in popularity in different countries in Europe thanks to a new material apparition and environmental stakes. In order to construct a timber structure we use different types of connections. The design of connections is complex since it is influenced by many different factors. However, the connection is the weak part of the structure and has high risk of collapse. Therefore the connection often determines the capacity of the structure.In 1975 the commission of the European Community decided to harmonize of technicalities and rules of design in the field of construction. The aim is to increase the competition between companies and simplify the trade of products and services within the European Union. The regulation for timber structures is Eurocode 5 (EC5).This study investigates how the EC5 can influence the design of a connection with a single shear plane for a steel-timber connection with nails or screws. This study is based on the comparison between the connection properties obtained using the EC5 and those recommended in a brochure from one of the large glulam manufacturers in Sweden based on the Swedish regulations.The outcome is that the new regulation has a strong impact on the design of the steel plates. The requirement in minimum spacing imposes a specific dimension and position of the fasteners. Moreover, the capacity of the connection is influenced by the distance between the fasteners parallel to the grain, which determines the effective number of fasteners involved in the connection.

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Feng, Zhicao. "Galvanic Corrosion of Coated Al Alloy Panels with More Noble Fasteners." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1436781873.

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Wood, Shane Forrest. "Manipulation and Automation of FBJ Short-Axis Fasteners." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7311.

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Legislative and market pressures are pushing automakers to achieve new fuel economy requirements in the coming years. To help achieve these goals automakers are reducing the overall weight of the vehicle by increasing the use of high-strength aluminum and advanced high-strength steels, and with this increased use comes the desire to quickly, and securely, join these materials within the vehicle. Friction bit joining is a process that lends itself well to joining these materials. This process uses consumable fasteners that need to be used in an automated production line. The geometry of these fasteners causes two main problems: the bits have a short longitudinal axis, which makes them difficult to orient, and the welding platform may be used at different angles; requiring a robust reloading system that is indifferent to its orientation.Our research explored ways that these short axis FBJ fasteners could be handled and transported using various automated methods. We tested the use of small mechanical carriages and magnetic tracks to test their viability for transporting FBJ fasteners. The two different types of fasteners that were used in the project are described. Blow feed tubes ended up being a reliable method of transportation given that the fastener has suitable geometry. The superior bit and feed system design were bench tested using a manually controlled feed system. The system was tested in various orientations to test the robustness of the system since the system was designed to be part of the end effector on a production line robot. The testing revealed that the feed tube is a reliable method of bit transportation and mechanical jaws are a suitable solution for FBJ fastener manipulation. These jaws have several key design features that dramatically increase their effectiveness. Suggestions for future work would be an optimized feed tube cross section, improved material properties in the bit jaw, and more air flow at a higher pressure through the feed tube.

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Books on the topic "Steel fasteners"

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Roland, Bärtschi, ed. New types of shear connectors with powder-actuated fasteners. Zurich: Institut für Baustatik und Konstruktion ETH Zürich, 2002.

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2

Zou, Chunxian. Corrosion behaviour of zinc alloy coated steel fasteners in timber. Birmingham: Aston University. Department ofCivil Engineering, 1993.

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Cable, James K. Field evaluation of elliptical steel dowel performance. Ames, Iowa: Center for Transportation Research and Education, Iowa State University, 2006.

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American Institute of Steel Construction. and Industrial Fasteners Institute. Standards and Technical Practices Committee. Structural Bolting Subcommittee., eds. Mechanical fasteners for steel bridges. Chicago, Ill: AISC Marketing, 1996.

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Beck, Hermann, Martin Reuter, and Michael Siemers. Powder-Actuated Fasteners and Fastening Screws in Steel Construction. Ernst & Sohn Verlag fur Architektur und Technische, Wilhelm, 2013.

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Beck, Hermann, Martin Reuter, and Michael Siemers. Powder-Actuated Fasteners and Fastening Screws in Steel Construction. Ernst & Sohn Verlag fur Architektur und Technische, Wilhelm, 2013.

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2003 Astm Vol. 1.08: Iron And Steel Products: Fasteners; Rolling Element Bearings. Astm Intl, 2003.

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Standard for Zinc-Coated Steel Bolts and Nuts for Overhead Line Construction. IEEE Standards Office, 2000.

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IEEE Power Engineering Society. Transmission and Distribution Committee., Institute of Electrical and Electronics Engineers., and IEEE-SA Standards Board, eds. IEEE standard for zinc-coated steel bolts and nuts for overhead line construction. New York, N.Y., USA: Institute of Electrical and Electronics Engineers, 1999.

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Gomula, Joanna. Legal Maxims: Summaries and Extracts from Selected Case Law. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190923846.003.0019.

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European Communities—Definitive Anti-Dumping Measures on Certain Iron or Steel Fasteners from China. Recourse to Article 21.5 of the DSU by China (WT/DS397/AB/RW), Appellate Body Report circulated on 18 January 2016, adopted on 12 February 2016Argentina—Measures Relating to Trade in Goods and Services (WT/DS453/AB/R/), Appellate Body Report circulated on 14 April 2016, adopted on 9 May 2016...

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Book chapters on the topic "Steel fasteners"

1

Rogers, C. A., and R. Tremblay. "Inelastic seismic response of frame fasteners for steel roof decks." In Behaviour of Steel Structures in Seismic Areas, 239–46. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003211198-33.

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Hall, Stephen J. "Structural fasteners." In ICE Pocket Guide to Steels in the Built Environment, 125–28. London: ICE Publishing, 2021. http://dx.doi.org/10.1680/icepgsbe.65741.125.

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Brandon, Daniel, and Adriaan Leijten. "Structural Performance and Advantages of DVW Reinforced Moment Transmitting Timber Joints with Steel Plate Connectors and Tube Fasteners." In Materials and Joints in Timber Structures, 255–63. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-7811-5_24.

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Zhang, Mingju, Meng Yang, Pengfei Li, and Dechun Lu. "An Innovative Bolt Fastener for Steel Tube Bracing in Deep Excavations." In Springer Series in Geomechanics and Geoengineering, 1094–97. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97115-5_46.

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"Threaded Steel Fasteners." In Properties and Selection: Irons, Steels, and High-Performance Alloys, 289–301. ASM International, 1990. http://dx.doi.org/10.31399/asm.hb.v01.a0001018.

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"CONNECTIONS WITH MECHANICAL FASTENERS." In Design of Joints in Steel Structures, 67–118. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2017. http://dx.doi.org/10.1002/9783433608715.ch3.

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"The Mechanical Fasteners." In Structural Steel Design to Eurocode 3 and AISC Specifications, 345–94. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118631201.ch13.

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"Connections with Mechanical Fasteners." In Design of Joints in Steel and Composite Structures, 71–122. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2016. http://dx.doi.org/10.1002/9783433604762.ch3.

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"Stainless Steel." In What Every Engineer Should Know about Threaded Fasteners, 115–28. CRC Press, 1986. http://dx.doi.org/10.1201/9781482276794-22.

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Bussoloti, Robson, George E. Totten, Luigi L. M. Albano, and Lauralice C. F. Canale. "Delta Ferrite: Cracking of Steel Fasteners." In Encyclopedia of Iron, Steel, and Their Alloys, 1070–81. CRC Press, 2016. http://dx.doi.org/10.1081/e-eisa-120049491.

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Conference papers on the topic "Steel fasteners"

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Nassar, Sayed A., and Ali A. Alkelani. "Elastic Interaction Between Fasteners in Gasketed Bolted Joints." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71576.

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An experimental study is presented in order to determine the effect of several parameters on the elastic interaction between various fasteners in a gasketed joint. Parameters include the gasket thickness, bolt spacing, tightening sequence, fastener grip length, and the level of fastener preload. The joint is made of two steel flanges with a Styrene Butadiene Rubber gasket of various thicknesses. The joint is fastened together using 1/2” - 13 SAE Grade 8 fasteners that are specially instrumented to measure the initial preload and the residual tension in each fastener. Four different gasket thicknesses are considered, namely, 1/16”, 1/8”, 3/16”, and 1/4”. For the same bolt circle of the flange, bolt spacing is varied by using different number of bolts; spacing that corresponds to using three, five, or seven bolts are considered in this study. The effect of the tightening sequence is studied by using sequential bolt tightening, star pattern, and simultaneous tightening. Bolt tightening is accomplished by using either an electric digital torque wrench with various control options, or a production-size multiple spindle fastening system that is capable of simultaneous tightening of all fasteners using torque, torque-turn, or torque-to-yield control of each fastener.

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Rosas, Omar, Atahualpa Oscar Garcia, Jose Hernandez, Carlos Girault, and Donald Oldiges. "Nut-Factor Variation on Coated High-Strength Steel Fasteners After Cycling Torquing." In ASME 2019 Pressure Vessels & Piping Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/pvp2019-93874.

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Abstract This study presents recent research results on the Nut-Factor of coatings applied to high-strength steel threaded fasteners mainly used in the Oil and Gas industry. PTFE coatings are commonly used to protect B7 grade material from corrosion within the industrial marketplace; however, most coatings applied to threaded fasteners do not offer a consistent tightening and they are affected by torquing during assembly. This results in an inconsistent Nut-Factor and accuracy of the provided nut-factor is not only inconsistent but also lower than most published values. The lack of consistency in the engagement produces variations in the load when torque is applied, the same torque will produce different loads depending on the surface conditions of the threads, which changes every time the fastener is re-used. Therefore, the aim of this study is to provide data on the nut-factor of coated threaded fasteners after assembly/disassembly cycles and the use of different lubricants. Torque cycles were applied to threaded fasteners with different coatings, Nickel-Cobalt electroplating, Zinc undercoat with PTFE topcoat and TSA with PTFE topcoat. The nut-factor was calculated before and after commercial lubricants were applied. Nickel-Cobalt electroplating showed an outstanding performance compared to the other tested coatings since it offered the highest nut-factor consistency. This study summarizes the optimal operational conditions for lubricants and materials and how these conditions affect the nut-factor and thread engagement.

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S., Käpplein, Misiek TH., Dacheva A., and Ummenhofer TH. "Introduction of Tensile Forces in Sandwich Panels with Mechanical Fasteners." In 4th International Conference on Steel & Composite Structures. Singapore: Research Publishing Services, 2010. http://dx.doi.org/10.3850/978-981-08-6218-3_bus-th024.

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Hawke, David, and Thomas Ruden. "Galvanic Compatibility of Coated Steel Fasteners with Magnesium." In International Congress & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1995. http://dx.doi.org/10.4271/950429.

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Medcalf, John S., Brian G. Thomas, and Salim V. Brahimi. "Hydrogen Embrittlement Susceptibility of Case Hardened Steel Fasteners." In WCX World Congress Experience. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2018. http://dx.doi.org/10.4271/2018-01-1240.

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Clark, Karson P. "The Effects of Fluoropolymer Coated Fasteners on Nut Friction Factors." In ASME 2018 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/pvp2018-84027.

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Fluoropolymer-industrial coatings containing PTFE, also referred to by the tradename Xylan® 1424, are applied in a thin film to provide both lubrication and corrosion resistance. Fluoropolymer coated fasteners are manufactured by a multitude of companies with varying manufacturing practices, procedures, and quality metrics. Fluoropolymer coated fasteners are being considered by major power producers to be used in natural gas transmission lines for their advertised and expected low coefficient of friction properties in place of standard carbon steel fasteners with manually applied lubrication. While some research exists for the nut friction factor of smaller diameter fluoropolymer coated fasteners, this paper will provide empirically obtained data and analysis of the nut friction factors for larger diameter fasteners, up to 2-1/4”, acquired from four different fluoropolymer coated fastener suppliers advertising equivalent fluoropolymer coating specifications and resulting performance. This study is a milestone to further understand the repeatability and quality of fluoropolymer coated fasteners as supplied from one manufacturer to another.

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Rørvik, Gisle, Bjørnar Øvrum Haaland, and Finn Kirkemo. "Fasteners in Subsea Applications: End User Experiences and Requirements." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24520.

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Fasteners used for critical applications subsea represent a challenge in terms of material selection, quality control, traceability and documentation for manufacture and delivery to ensure adequate performance, integrity and avoidance of costly failures. The definition of critical subsea fasteners are both pressure containing and primary load bearing members, but may in a wider sense also include fasteners which may affect functionality of valves, equipment and instruments for safe, reliable and cost effective operation. The major failure mechanism experienced during the last decades is so-called hydrogen induced stress cracking (HISC) or hydrogen embrittlement (HE) primarily resulting from the hydrogen charging conditions of the cathodic protection (CP) system. The main bulk of fasteners used subsea is of low alloyed steel grade type (e.g. ASTM 320 Grade L7, L7M, L43 bolts with ASTM 194 Grade 4, 7M, 7 nuts) which relies on electrical continuity to the cathodic protection system to avoid sea water corrosion, but may be prone to HISC/HE if the fastener hardness and strength level exceed the specified and established limits. If higher strength materials are needed from design, either cold formed or precipitation hardened CRA’s are usually selected (e.g. Grade 59, 660, 625, 686, 718, 725), but these may also be susceptible to HISC/HE depending on strength level and manufacturing practice. The present paper will give some field experience and typical examples of recent HISC failure case histories for low alloyed steel grades, but also for some CRA type of subsea fasteners. Furthermore, some in-house low alloyed steel grade (L7, L43) fastener HISC test results will be presented to indicate the robustness of today’s hardness and strength level restrictions, and at which loading and pre-tension level a given strength grade may be prone to HISC failure. Finally, some experience from manufacturing stage as well as focus areas in materials specification, quality assurance / quality control and design will be discussed.

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Fontana, Mario, and Hermann Beck. "Experimental Studies on Novel Shear Rib Connectors with Powder-Actuated Fasteners." In Composite Construction in Steel and Concrete IV Conference 2000. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40616(281)37.

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Gergel, John T., Vishali M. Vasudevan, and Matthew H. Hebdon. "Railroad Tie Lateral Resistance on Open-Deck Plate Girder Bridges." In 2020 Joint Rail Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/jrc2020-8053.

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Abstract On open-deck railroad bridges, the crossties (sleepers) are directly supported by the bridge superstructure and anchored with deck tie fasteners such as hook bolts. These fasteners provide lateral resistance for the bridge ties, and in railroad bridge design, their spacing is controlled by the required lateral resistance of the ties. Currently there are no provisions to assist in the calculation of lateral resistance provided by railroad ties on open-deck bridges, and as a result there are no specific requirements for the spacing of deck tie fasteners. This has led to different design practices specific to each railroad, and inconsistent fastener spacing in existing railroad bridges. A research plan was conducted to experimentally quantify the lateral resistance of timber crossties on open-deck plate girder bridges using different wood species and types of fasteners. Experimental tests were conducted on four different species of timber crossties (Beech, Sycamore, Southern Pine, and Oak) with three different types of fasteners (square body hook bolt, forged hook bolt, and Quick-Set Anchors). A structural test setup simulated one half of an open-deck bridge with a smooth-top steel plate girder, and hydraulic actuators to apply both vertical and horizontal load to a railroad tie specimen. The three main contributions to lateral resistance on open-deck bridges were identified as friction resistance between tie and girder due to vertical load from a truck axle, resistance from the fastener, and resistance from dapped ties bearing against the girder flange. Initial testing conducted at Virginia Tech isolated each component of lateral resistance to determine the friction coefficient between tie and girder as well as resistance from just the fastener itself. Results indicate that friction resistance varies based on the magnitude of vertical truck axle load, species of wood, and quantity of creosote preservative on the tie, while fastener resistance varies based on type of fastener and displacement of the tie. With the experimental results, a preliminary equation for calculating the overall resistance of open-deck timber crossties is developed, which allows for a recommendation of fastener spacing based on the type of fastener, wood species, and anticipated lateral loads on the structure.

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Panja, Bikash, and Santanu Das. "Antiloosening ability of 5/8 inch stainless steel BSW threaded fasteners." In INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING: Proceedings of the 11th International Conference on Mechanical Engineering (ICME 2015). Author(s), 2016. http://dx.doi.org/10.1063/1.4958359.

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Reports on the topic "Steel fasteners"

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Attachment of Steel Decking using Mechanical Fasteners and Powder Actuated or Pneumatic Tools. Purdue University, 2007. http://dx.doi.org/10.5703/1288284315801.

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