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fastener failures

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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... Abstract This article first provides an overview of the types of mechanical fasteners. This is followed by sections providing information on fastener quality and counterfeit fasteners, as well as fastener loads. Then, the article discusses common causes of fastener failures, namely...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... Abstract This article discusses different types of mechanical fasteners, including threaded fasteners, rivets, blind fasteners, pin fasteners, special-purpose fasteners, and fasteners used with composite materials. It describes the origins and causes of fastener failures and with illustrative...
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Published: 01 January 2002
Fig. 1 Types of failures in threaded and blind fasteners and in fastened sheet. Source: Ref 2 More
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Published: 30 August 2021
Fig. 1 Types of failures in threaded and blind fasteners and in fastened sheet. Source: Ref 3 More
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Published: 01 January 2002
Fig. 26 Fatigue failure of fasteners in single-lop shear carbon-graphite composite joints. (a) Fastener pullout resulting from a static tensile load. (b) Fatigue failure of fasteners initiated by cocking of the fasteners. Both 1 1 3 × More
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Published: 01 January 2001
Fig. 4 Failure modes of mechanically fastened joints More
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Published: 30 August 2021
Fig. 26 Fatigue failure of fasteners in single-lap shear carbon-graphite composite joints. (a) Fastener pullout resulting from a static tensile load. (b) Fatigue failure of fasteners initiated by cocking of the fasteners. Original magnification for both: 1⅓× More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003444
EISBN: 978-1-62708-195-5
... fastener edge distance, and fastener pitch. Refer to MIL-HDBK-17 for a more thorough discussion regarding composite design practice and certification guidelines. Test Methodology and Considerations The purpose of element and subcomponent testing is to characterize failure modes not addressed...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... protective metal coatings for ferrous metal fasteners; zinc, cadmium, and aluminum; are described as well. bolt steels clamping force corrosion protection fastener performance failure modes grade designations proof stress stud steels threaded fasteners wedge tensile test THREADED...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003391
EISBN: 978-1-62708-195-5
...) or the element level (for verification of joint sizing methodology). As with notched-strength coupons, analysis correlation work centers on strength and failure-mode prediction but also involves fastener-load distribution calculation. Specimen details are generally more representative of the actual structure...
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Published: 01 January 2002
Fig. 6 Failed Ti-6AI-4V shear fastener. The fasteners were cadmium plated for galvanic compatibility with the aluminum structure. (a) Photograph showing failure at the head-to-shank fillet. (b) Intergranular fracture morphology. Failure was attributed to LMIE caused by excessive temperature More
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Published: 15 January 2021
Fig. 7 Failed Ti-6Al-4V shear fasteners. The fasteners were cadmium plated for galvanic compatibility with the aluminum structure. (a) Photograph showing failure at the head-to-shank fillet. (b) Intergranular fracture morphology. Failure was attributed to liquid-metal-induced embrittlement More
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003384
EISBN: 978-1-62708-195-5
... important to calculate accurately the load sharing between fasteners and to identify the most critically loaded one. There is a common misconception that one should always strive for the benign failures associated with bearing-critical bolted joints, because tension-through-the-holes failures are so abrupt...
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Published: 01 January 2005
the electric cable accelerated the failure. Control: Insulated fasteners will preclude crevice and stray-current corrosion. Corrosion form and mechanism Stray-current corrosion, crevice corrosion Material Coated steel Product form Electric cable support More
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Published: 01 January 2002
Fig. 25 Static tensile failures in carbon-graphite composite samples. Failure was by fastener pullout. (a) Single-lap shear specimen. (b) Double-lap shear specimen. Both 1 1 3 × More
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Published: 30 August 2021
Fig. 25 Static tensile failures in carbon-graphite composite samples. Failure was by fastener pullout. (a) Single-lap shear specimen. (b) Double-lap shear specimen. Original magnification for both: 1⅓× More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
... friction joints are also discussed. The article reviews stress concentrations in pin joints and discusses stress-intensity factors for mechanically fastened joints. bolt steel bolted friction joints cold-driven riveted joints fatigue failure fatigue resistance fatigue strength hot-driven...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003043
EISBN: 978-1-62708-200-6
... methods add weight and bulk to a joint, and because holes must be machined in the substrate members to accommodate bolts or screws, the members are weakened. In addition, the stress concentrations produced by mechanical fasteners can cause joint failure. Adhesively Bonded Joints Adhesively bonded...
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Published: 01 January 2002
Fig. 12 Replicas prepared from fracture surfaces and viewed in the TEM. (a) River patterns of a brittle failure of a steel fastener. (b) Fine, equiaxed ductile dimples on the surface of a tensile fracture of a high-strength steel. The small carbide particles where local rupture and void More
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Published: 15 January 2021
Fig. 12 Replicas prepared from fracture surfaces and viewed in the transmission electron microscope. (a) River patterns of a brittle failure of a steel fastener. (b) Fine, equiaxed ductile dimples on the surface of a tensile fracture of a high-strength steel. The small carbide particles where More