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Book Chapter

By Raymond G. Bayer
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002474
EISBN: 978-1-62708-194-8
.... It tabulates the operational classification of wear situations and describes the relationship between wear or wear rate and design parameters. The article reviews the effect of lubrication on wear behavior and the types of lubricants. It illustrates some fundamental criteria that can be applied...
Image
Published: 01 January 2005
Fig. 1 Some aspects of forging and process design that affect wear and fracture. Source: Ref 1 More
Image
Published: 09 June 2014
Fig. 29 Induction coil designed with silicon nitrite trapezoid wear rails that are embedded into the surface of the refractory, with approximately 1.6 mm ( 1 16 in.) raised above the surface. The rails are used in both the entrance and exit ends as well as across the center More
Image
Published: 01 January 1997
Fig. 7 Design problem and solution. (a) Problem: Shot wears pipe at turn. The contradiction is that a coating appears to be needed, but is not a good solution because of added cost and short life. (b) Solution: Magnets are used to form a continuously replenishable protective layer of shot. More
Book Chapter

By Raymond G. Bayer
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... to reduce the clearance. This method is an example of a simple phenomenological model. A more elaborate model would be describing the wear situation as unlubricated mild sliding, impact, or rolling wear, and using analytical models for these wear situations to develop relationships between wear and design...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006357
EISBN: 978-1-62708-192-4
... these materials interacted tribologically. Within a map, different regions (or fields) where different mechanisms of wear are dominant are demarcated. Using such a map, designers and engineers will be able to select the best operating conditions so that the minimum amount of wear could result while meeting...
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
... the environment seen by a particular machine component is called a tribosimulation. The initial challenge in designing a tribosimulation is identifying the major wear-causing factors and finding a test that will produce the same type of wear response from test coupons as for operating parts. Conducting...
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
... or workpiece), while double-sided wear refers to wear in a closed tribosystem (two solid bodies in repeated contact). Wear also can be characterized by the mechanism and type of wear in developing wear tests and suitable designs. Generally, by characterizing the wear situation in these manners...
Book Chapter

By S.C. Lim
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006396
EISBN: 978-1-62708-192-4
... Abstract This article describes the usefulness of wear maps and explains how to construct a proper wear map from scratch and effectively employ such a map to make important design decisions for a particular tribological situation. It discusses three categories of wear-data presentation: numeric...
Image
Published: 30 August 2021
Fig. 9 Schematic showing increased contact area in the updated seal wear ring design. Note the contact area of the seal wear ring in (a) the conventional design compared to (b) the updated design More
Book Chapter

Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001302
EISBN: 978-1-62708-170-2
... specifically designed for laboratory use. Although many of these test configurations are one-of-a-kind machines, others are available as commercial units. Standards related to wear and erosion testing are listed in Ref 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , and 15...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006427
EISBN: 978-1-62708-192-4
... on the friction, lubrication and wear of internal combustion engine parts, improvements in which provide important gains in energy efficiency, performance, and longevity of the IC engine systems. The specific machine elements – number, size, and configuration – vary somewhat for IC engines among specific designs...
Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003285
EISBN: 978-1-62708-176-4
... by the energy-dispersive x-ray spectrometry (EDX) pattern for iron shown in Fig. 4(b) . The test can be designed to determine load capacity or effects of temperature on the onset of adhesive wear. These data would then be used in the design of a bearing or gear system that could operate safely...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
..., 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...
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
..., 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: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006386
EISBN: 978-1-62708-192-4
... Abstract This article provides a detailed literature overview of wear in agriculture equipment and implements. It introduces them with specific description of the wear situation due to ground or crop engagement. The article provides information on operational parameters, component design...
Book Chapter

By L. Alden Kendall
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002120
EISBN: 978-1-62708-188-7
... and its consequences. The article details the modeling of tool wear by using the Taylor's tool life equation. The article concludes with information on the requirements of a successful tool life testing program: the test plan objective, designing the test, conducting the test, analyzing the results...
Image
Published: 01 January 2002
Fig. 30 Correlation of hardness with wear rate for three materials. The two 50 HRC materials both exhibit the same low-stress scratching wear resistance. However, as the wear severity increases, the steel designed for ground-engaging tools (steel A) exhibits moderate improvements in gouging More
Image
Published: 15 January 2021
Fig. 30 Correlation of hardness with wear rate for three materials. The two 50 HRC materials both exhibit the same low-stress scratching wear resistance. However, as the wear severity increases, the steel designed for ground-engaging tools (steel A) exhibits moderate improvements in gouging More
Book Chapter

Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006358
EISBN: 978-1-62708-192-4
... Abstract This article discusses the physical signs of rolling-contact wear (RCW). It lists the major considerations in gear design and describes the mechanisms of RCW. The article provides a guide to rolling-contact fatigue (RCF) testing methods. It explains the steps involved in the processes...