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adhesive bonding

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Published: 15 January 2021
Fig. 5 Adhesive wear mechanisms. (a) Adhesive bonding. (b) Plastic shearing. (c) Fracture-induced formation of third-body particles. Adapted from Ref 25 More
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
... that the numerous hairline cracks in the Alclad layer adjacent to the main fracture were fatigue cracks. In another case, bonded samples of 2024-T3 sheet were fatigue tested at various stress levels. Failures could be separated into three groups: those that failed in the adhesive bond, those that failed in the base...
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Published: 15 January 2021
Fig. 4 Schematic diagram of the adhesive transfer process of (a) a thin, flakelike wear particle and (b) a wedgelike wear particle. Numbers indicate generation of slips along the slip planes (how certain “adhesive bond” moves along the contact). First bond is indicated by numbers and the next More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001133
EISBN: 978-1-62708-214-3
... not occur during the sintering thermal cycle. It was recommended that the prosthetic manufacturer investigate atmosphere controls for all thermal cycles prior to coating. Adhesion Bonding strength Interface reactions Powder coating Surgical implants ASTM F75 UNS R30075 Surface treatment related...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
... are a challenge for use in tribological applications. Heat that is generated in a contact zone as a result of shear and viscous stresses promotes adhesive bonds as another source for heat generation ( Ref 3 ). The higher temperature in a tribosystem comprising RPs encourages transition from a solid state...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... for approximately 70% of typical component failures ( Ref 2 ). Mechanism of Adhesive Wear Adhesive wear is characterized by the transfer of a material from one contacting surface to another during the relative motion caused by localized bonding. It occurs when high loads, temperatures, or pressures cause...
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
... extensive cracks. In peeling the aluminum from the plywood it was immediately apparent that the aluminum was failing due to corrosion at the plywood-aluminum interface. It was also observed that wherever corrosion occurred, there was little or no evidence of the adhesive used to bond the aluminum...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001274
EISBN: 978-1-62708-215-0
... a laminated construction. Adhesive bonding held the laminations together, and a plastic coating covered the outside surfaces. Bonded laminated sheets are known to be stronger than monolithic, or one-layered, sheets of the same thickness. Tray 1, submitted as evidence of the accident, is shown in Fig. 2...
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 Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006821
EISBN: 978-1-62708-329-4
... of the rivets. During manufacturing, difficulties with the cold-bond adhesive led to the random appearance of bonds with degraded adhesion and some areas that did not bond at all. This left the lap joint susceptible to corrosion, which led to further degradation of the adhesive bond. As a result, loads...
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
...-film ink was neither homogeneous nor stable. Resin separation from the epoxy binder created an oily, nonadherent film at this critical interface. This meant that not only was there no ceramic-to-metal bond fixing the termination, but there also was no epoxy adhesive bond. The amount of resin separation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046371
EISBN: 978-1-62708-234-1
... any stainless steel from the spacer. Other items for investigation were the nature of the bond between the galled spot and the inner cone and any evidence of overtempering or rehardening resulting from localized overheating. Analysis (visual inspection, electron probe x-ray microanalysis, microscopic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... excellent adhesive bond fracture surfaces produced during forced liner removal. The light areas show different layers of MXSE-55; these failed in preference to the bond. Two of the circumferential cracks are plainly visible in the throat. Fig. 2 Convergent Nozzle Liner S/N 014R. A view...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... Fracture due to repeated application of tensile, flexural, or shear stress, such as opening and closing of a hinged part, or repeated impact leading to crack formation and growth Low adhesive bond strength for applications requiring high bond strength Thermally bonded heat seals Seals made...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9
... techniques are used to produce polymer fibers. Such fibers have substantially greater stiffness and strength along their length than do the unoriented polymers from which they are manufactured. This is because special processing has been used to orient the covalent bonds of an appropriate long-chain polymer...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
.... If this adheres to the counterface firmly, wear of the composite decreases. If the fillers are capable of enhancing this adhesion by forming chemical bonds through chemical or physical interaction with the counterface during sliding, the film is more firmly attached, resulting in significant reduction in wear...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... for this rubber article, several layers were placed in the mold, and the layers did not bond together uniformly. This is quite analogous to a failure on a weld/knit line. The part that performed acceptably was not fabricated using a laminate construction, indicating that a laminate construction may...
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
... and some erosion processes can involve dissolution. Adhesive wear is fracture produced by solid-state bonding of one material to another. If motion persists after bonding, fracture must take place. Material “A” may fracture, with some of it bonding to contacting material “B,” or the fractured material...
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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003563
EISBN: 978-1-62708-180-1
... could not have been caused by either abrasive or adhesive contact; it had to be by rolling. This is always the first evidence to look for when determining the type of applied stress. Fig. 6 Gear-tooth section. Rolling-contact fatigue distinguished by subsurface shear parallel to surface. Note...