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adhesive joints

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001546
EISBN: 978-1-62708-217-4
... microcracks between adjacent discontinuities supported a hydrogen blistering diagnosis. Adhesive joints Blistering Chemical milling Extrusions Microcracking Pitting (corrosion) 2024-T3 2024-T4 UNS A92024 Hydrogen damage and embrittlement Fatigue fracture Fatigue Microcracking in Alclad 2024...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001749
EISBN: 978-1-62708-215-0
...-to-flexible hose fitting used on mobile unit. Note damage to rim of steel fitting caused by explosion. 0.88×. Loctite adhesive was used as a sealant to prevent loosening of the joint between the two dissimilar metals as they expanded and contracted at different rates in the hot sun and during cool...
Image
Published: 01 December 1993
Fig. 2 Closeup view of brass-to-steel joint, showing heavy wrench marks on nipple and puddled adhesive at threaded joint. 4.6×. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
.... In less than one year, the panels began to delaminate and the aluminum began to crack. It was found that the failure was the result of chloride-induced intergranular corrosion caused by chemicals in the adhesive and excessive moisture in the wood introduced during manufacturing. Adhesive joints...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003571
EISBN: 978-1-62708-180-1
... of various machines, tires, break pads, conveyors, hoppers, automobile body parts, aircraft, spacecrafts, hip/knee joint replacement, roller-skating wheels, and household appliances (washing machine, tubs, etc.). Wear of material parts is a very common cause of failure or low working life of machines...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... their physical and mechanical properties.) Examples of the tribological use of plastics (involving sliding between two surfaces) include gears and cams of various machines, tires, brake pads, conveyors, hoppers, automobile body parts, aircraft and spacecraft parts, hip/knee joint replacements, roller-skate...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
..., because wear removes any crack nucleated on the surface. In metal-to-nonmetal and plastic-to-plastic tribosystems, adhesive interactions predominate, and tribo-oxidation does not occur. Fig. 7 Fretting fatigue in riveted joints. Source: Ref 20 To help characterize fretting wear...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001141
EISBN: 978-1-62708-227-3
... the bilge keel in other ships and may be a nuisance in the future, the hull integrity of the ships is not threatened and major repairs are not needed. Lamellar tearing Ship plate Welded joints Fe-0.16C-0.68Mn Joining-related failures Corrosion fatigue Introduction During a refit...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
.... Source: Ref 20 . Courtesy of National Transportation Safety Board The subsequent accident investigation revealed that a failure at the lap joints between the skins of the upper and lower fuselage panels was caused by disbonding of the adhesive between the inner and outer skin as well as fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... joints Ti-6Al-4V Joining-related failures Introduction The nondestructive analysis of materials performed on-site required specialized equipment, and the careful development of metallographic preparation procedures. These procedures should be designed to minimize the damage to the material...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006912
EISBN: 978-1-62708-395-9
... potential failure scenarios. For example, during assembly, parts can be bonded with adhesives that are incompatible with the plastic, resulting in stress cracking. Screws can be overtorqued, resulting in a loose assembly or overstressed parts. Parts can be improperly stacked and stored in warehouses...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001840
EISBN: 978-1-62708-241-9
..., investigators conducted an extensive study on the shear strength of explosively cladded Inconel 625 and plain carbon steel samples. They found that by increasing impact energy, the adhesion strength of the resulting cladding can be improved. Beyond a certain point, however, additional impact energy reduces...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... Abstract Fretting is a wear phenomenon that occurs between two mating surfaces; initially, it is adhesive in nature, and vibration or small-amplitude oscillation is an essential causative factor. Fretting generates wear debris, which oxidizes, leading to a corrosion-like morphology...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
... gloves, tools for sample removal, buffered containers for water samples, MIC kits, and adhesive tape are useful for sample removal. The analyst should avoid touching any corrosion product directly with bare hands to prevent contamination. Physical removal of samples must be done in a manner to avoid...
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
... and contraction of composites and their fasteners, thus altering clamp-up loads. Therefore, all new joint designs should be thoroughly tested to ensure satisfactory service. Although adhesives are generally used to join composites, mechanical fasteners are added to increase reliability when severe service...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... the fragments of broken components which, when assembled and photographed, may indicate the sequence in which fractures occurred. Figure 2 shows a lug that was part of a pin-joint assembly; failure occurred when the pin broke out of the lug. With the broken pieces of the lug fitted together, it is apparent...
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
... expansion and contraction of composites and their fasteners, thus altering clamp-up loads. Therefore, all new joint designs should be thoroughly tested to ensure satisfactory service. Although adhesives are generally used to join composites, mechanical fasteners are added to increase reliability when severe...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001440
EISBN: 978-1-62708-235-8
...-on patch plate or to employ one of the high-strength, non-metallic adhesives. Explosions Gas cylinders Soldered joints Tensile stress 50Pb-50Sn Plate steel Intergranular fracture Liquid metal induced embrittlement Reference is made in other cases in this series of Reports to failures...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... entire termination failure. The attachment never broke within the solder joints. Rather, the termination consistently came apart from the substrate. Pertinent Specifications A chip detail drawing ( Fig. 1 ) indicated that the chip substrate was high-purity alumina. The resistive element...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... of performance, the root bolts of the turbine blade suddenly were broken, and the blade fell off to the ground. The components of the blade/bearing/hub bolted joint are shown in Fig. 1 . Fig. 1 View of some of the components of the bolted joints The dimension of the blade bearing is 945 mm × 1255...