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interfacial degradation

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Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003280
EISBN: 978-1-62708-176-4
... of coatings and thin films. The article provides an insight into the mechanisms of environmentally induced interfacial degradation by discussing the fundamental aspects of adhesion between two dissimilar materials. It examines the use of adhesion tests in the evaluation of stress-corrosion cracking within...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004175
EISBN: 978-1-62708-184-9
... as glass-epoxy adhesion promoters. These interfaces can degrade under mechanical stresses, temperature, and/or humidity. Inherent interfacial mechanical stresses may be relieved under temperature and humidity conditions resulting in interfacial debonding. Interfacial degradation provides opportunity...
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
... if the frictional heat can chemically affect the polymer surface, resulting in the production of degraded polymer molecules. The other important parameter to consider in interfacial wear is the roughness of the counterface. For rough and hard counterfaces, the wear mode is generally that of bulk or cohesive wear...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001286
EISBN: 978-1-62708-170-2
... or mechanical cycling, corrosion, interfacial degradation, burnishing of soft surfaces, shot peening, and overcoating (“topcoat”) In order for the film to have reproducible properties, each of these factors must be reproducible. Technological (Real) Surfaces Technological Surfaces Technological...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005675
EISBN: 978-1-62708-198-6
... implants, fibrous tissue, and inactive bioceramics in bone. Source: Ref 2 Resorbable terials Resorbable biomaterials (type 4 in Fig. 1 ) are designed to degrade gradually over a period of time and be replaced by the natural host tissue. This leads to a very thin interfacial thickness...
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
... at the true interface. The chemical-wear mechanism is initiated if the frictional heat can chemically affect the polymer surface, resulting in the production of degraded polymer molecules. The other important parameter to consider in interfacial wear is the roughness of the counterface. For rough and hard...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003469
EISBN: 978-1-62708-195-5
... resistance and fiber degradation (for example, surface defects) as shown in Fig. 6 ( Ref 6 ). Degradation of fibers at elevated temperatures is indicated by changes of the fracture mirrors and fracture origins (surface or volume). These changes in fracture surface appearances are consistent with changes...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005655
EISBN: 978-1-62708-198-6
..., which was the first material observed to form an interfacial bond with host tissue after implantation ( Ref 9 ). This work in bioactive glasses heralded the beginning of research in bioactive ceramics. A few years later in Japan, Kokubo and colleagues developed apatite-wollastonite (A-W) glass...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009000
EISBN: 978-1-62708-186-3
... morphology, microstructure, interfacial friction, surface temperatures, and wear rate. high-strength steels stampings interfacial friction microstructure mild steel surface morphology surface roughness surface temperature wear rate IN AN EFFORT to improve the fuel economy of automotive...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002478
EISBN: 978-1-62708-194-8
... to experimental values. However, a poor composite strength value may be an indication of either fiber degradation, or too strong an interfacial coupling between fiber and matrix. The cause can be determined by scanning electron microscope observation of the fracture and fiber surfaces. Because...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006403
EISBN: 978-1-62708-192-4
... degradation processes listed in the left part of Fig. 11 . The contacting matter initiates—together with interfacial and ambient media—the wear mechanisms of tribochemical reactions and adhesion in combination with debris-formation processes. All these processes and their interference lead to wear: surface...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003449
EISBN: 978-1-62708-195-5
... in the strength, diameter, and/or volume fraction of the ceramic reinforcement phase. With ductile reinforcement, on the other hand, toughness generally increases with volume fraction up to 15 vol% metal; however, composites containing greater than 5 vol% metal particles typically experience some degradation...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003831
EISBN: 978-1-62708-183-2
... In the case of soldered/brazed/welded joints, variables such as the materials being joined, the filler metal and fluxes used, and the geometry, orientation, and environment all play important roles in the corrosion behavior of the joint. Inasmuch as corrosion can cause degradation, structural or functional...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005681
EISBN: 978-1-62708-198-6
... layer and incorporate it into the resin-dentin interface d layer, a thin layer in which the resin monomers are intermixed with the dentin collagen ( Fig. 6 ) ( Ref 28 , 29 ). Fig. 6 Confocal laser scanning microscopy image of interfacial margins of resin-dentin restoration The priming...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003056
EISBN: 978-1-62708-200-6
... to the chemical bonding at all interfaces and the development of a favorable microstructure in the interfacial zone. Physical factors deal with the determination of joint strength, which is influenced by the strain and stress patterns that are controlled by the coefficients of thermal expansion (CTE...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003381
EISBN: 978-1-62708-195-5
... provides information on the accelerated aging process for understanding the degradation mechanisms and failure modes in composites. It also describes the effect of moisture absorption on mechanical properties of polymer-matrix composites. composite material moisture absorption physical properties...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005594
EISBN: 978-1-62708-174-0
.... Insufficient water cooling can cause degradation of the electrode, and copper from the electrode can melt and enter the steel substrate. The presence of molten copper in contact with the steel substrate can cause what is known as liquid metal embrittlement cracking. This type of cracking occurs along prior...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005536
EISBN: 978-1-62708-197-9
...Abstract Abstract This article focuses on the modeling and simulation of diffusion-controlled processes related to both materials processing such as heat treatments, and materials degradation from a practical perspective by using the one-dimensional (1-D) sharp interface approach. It describes...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006794
EISBN: 978-1-62708-295-2
... increased damage to the target surface through so-called synergy of wear and corrosion. The following discussion describes how they assist each other. Corrosion assists wear in several ways including: Corrosion-induced material degradation facilitates wear. Corrosion deteriorates materials...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006402
EISBN: 978-1-62708-192-4
... components or assemblies degrades or exhibits abnormal behavior Failure: the termination of the ability of an item to perform a required function. Failure is an event, as distinguished from fault , which is a state. Functional Performance Control and Structural Health Monitoring (SHM...