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wear modes

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006793
EISBN: 978-1-62708-295-2
... situations, the bodies tend to be large and contact in a well-defined location in a controlled way, unlike erosion where the eroding particles are small and interact randomly with the target surface. This article describes some generic features and modes of impact wear of metals, ceramics, and polymers. It...
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
... modes of adhesive wear including scoring, scuffing, seizure, and galling, and describes the processes involved in classic laboratory-type and standardized tests for the evaluation of adhesive wear. It includes information on standardized galling tests, twist compression, slider-on-flat-surface, load...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... deterioration, wear accounts for approximately 55%, while corrosion accounts for the other 15%. Thus, wear can be a serious problem in design engineering and materials selection. Moreover, of the 55% due to wear, the loss of usefulness from abrasion is 20%. Consequently, abrasive modes of wear are a significant...
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
... solid surface caused by fracture arising from material fatigue in a corrosive environment. This wear mode is also termed tribocorrosion fatigue ( Ref 8 , 9 ). Components in machinery, such as cylinder piston rods and slide bearings, and facilities used in an offshore corrosive environment can suffer...
Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... Test Method for Galling Resistance of Materials Visual inspection, critical load for galling Surface damage, scoring D 2782 Test Method for Extreme-Pressure Properties of Lubricating Fluids “OK” value of maximum mass (weight) for load just below critical scoring condition Each wear mode...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005677
EISBN: 978-1-62708-198-6
... irrigant has no effect. Wear of K-type files under these conditions was not observed. Cross-sectional design and flute design are more important variables in cutting than rake angle, wear resistance, capabilities for chip removal, and mode of use ( Ref 227 ). Cutting efficiency of the tip of a file is...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
... Plastic deformation Gross cracking Abrasive wear, mechanical fatigue, plastic deformation, and thermal fatigue are common to most forming processes ( Fig. 2 ). Typical failure modes and locations in forging dies are illustrated in Fig. 3 . Fig. 2 Frequency and location of typical die...
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. This...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... brief discussion on coatings to improve surface-initiated fatigue and wear is included, due to the similarity to RCF and the increasing criticality of this failure mode. The article presents a working knowledge of Hertzian contact theory, describes the life prediction of rolling-element bearings, and...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005668
EISBN: 978-1-62708-198-6
... article illustrates practical tribocorrosion setup that allows the user to perform wear tests in corrosive environments under well-defined electrochemical conditions and at controlled temperature. It describes the effect of changes in electrical contact resistance on tribological mode. The article...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003104
EISBN: 978-1-62708-199-3
.... One of the simplest classifications of wear is based on the presence or absence of effective lubricants—namely, lubricated and nonlubricated wear. (The various types of lubrication are described later in this article.) Wear may also be classified by mechanisms. For example, the following wear mode...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005957
EISBN: 978-1-62708-166-5
... castable that is suitable for heat shock. Inside this perimeter, the car is insulated with insulating firebrick and surfaced with 5 cm (2 in.) cast slabs of castable for heavy-duty wear resistance. Alternately, cast piers for easy forklift loading can be provided. Low-mass cars also are available depending...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006658
EISBN: 978-1-62708-213-6
... probe coating wears off. Surfaces with differing areas of electric potential will have electric fields that emanate from the surface. These electric fields can be mapped with electric force microscopy (EFM). Most often, EFM images are measured in vibrating mode. A two-pass imaging technique is used...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006753
EISBN: 978-1-62708-295-2
... material, which are discussed in the following sections along with examples. The tools available for failure analysis are then covered. Further, the article describes the categories of mode of failure: distortion or undesired deformation, fracture, corrosion, and wear. It provides information on the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001320
EISBN: 978-1-62708-170-2
... edge. The thermal and lateral cracks may join together and cause small fragments of tool material to break away. Fracture is the least desirable mode of tool failure because it is unpredictable and catastrophic. The preferred mode is flank wear, because it progresses gradually and can be easily...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... importance. This leads to the important concept of implant material/device failure. While there are several mechanisms by which metallic load-bearing implants may not achieve their intended goal, the primary engineering-related mechanisms are by wear, corrosion, fretting corrosion, CF, and SCC. Should...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
... overload failure mode. This is true for inherently brittle materials, such as extremely high-strength materials where ductility is sacrificed for maximum deformation or wear resistance. Additionally, embrittling conditions and metallurgical phenomena can impose brittle fracture characteristics on materials...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003061
EISBN: 978-1-62708-200-6
...;100 ksi) Corrosion resistance High Upper use temperature High, >800 °C (>1470 °F) Failure mode “Steel-like” spallation with small spalls Table 10 Performance benefits of ceramic and ceramic hybrid bearings Property/behavior Benefit/advantage over steel Wear life...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003817
EISBN: 978-1-62708-183-2
... quite limited, due to its fabrication difficulties. However, it offers a unique combination of resistance to wear and high-temperature corrosion. The effects of various modes of high-temperature corrosion are discussed. Wrought and cast cobalt alloys find wide use in aircraft gas...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... Abstract Analysis of the failure of a metal structure or part usually requires identification of the type of failure. Failure can occur by one or more of several mechanisms, including surface damage (such as corrosion or wear), elastic or plastic distortion, and fracture. This leads to a wide...