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contact wear

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270090
EISBN: 978-1-62708-301-0
... to contact wear. aileron control cable contact wear fractography scanning electron microscopy Summary Background Visual Examination of General Physical Features Testing Procedure and Results A cable controlling the aileron movement in an aircraft had broken. This cable, made up...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... bodies in contact are forced to move relative to each other. It is closely associated with any wear mechanisms that may be operating and with any lubricant and/or surface films that may be present, as well as the surface topographies. The heat generated as a result of the dissipation of frictional...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630189
EISBN: 978-1-62708-270-9
... of the wear track formed by the mating roller, which was 5 in. in diameter Fig. 1 (a) Sketch of counterformal, or convex, surfaces in contact; examples are gear teeth and roller or needle bearings rolling on a shaft, in an inner raceway, or on a flat surface. (b) Sketch of conformal surfaces, where...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610461
EISBN: 978-1-62708-303-4
...; examples are ball bearings in contact with an inner or outer raceway, roller or needle bearings in contact with an outer raceway, and a shaft in contact with a sliding bearing or on a flat surface. Source: Ref 7 Fig. 2 Types of contact during abrasive wear. (a) Open two-body. (b) Closed two...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300335
EISBN: 978-1-62708-323-2
... Comparison of coating and treatment thicknesses and depths. PVD, physical vapor deposition Abstract Abstract This chapter covers coatings and treatments that are used to improve the friction and wear behaviors of materials. It describes modifications that work by hardening contacting surfaces...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270097
EISBN: 978-1-62708-301-0
... that one of the bearings had been subjected to excessive friction, evidenced by brinelling, metal flow, heat tinting, deformation, and wear. They also observed extensive grooving on a retaining plate and several washers matching the diameter of the outer bearing races. Based on their findings...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250227
EISBN: 978-1-62708-345-4
.... Nitriding produces a wear- and fatigue-resistant surface on gear teeth and is used in applications where gears are not subjected to high shock loads or contact stress. It is useful for gears that need to maintain their surface hardness at elevated temperatures. Gears used in industrial, automotive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250293
EISBN: 978-1-62708-345-4
... contact (pitting or spalling), rolling contact, thermal fatigue Impact Tooth bending, tooth shear, tooth chipping, case crushing, torsional shear Wear Abrasive, adhesive Stress rupture Internal, external In an analysis of more than 1500 studies, the three most common failure modes, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770171
EISBN: 978-1-62708-337-9
... Reactions Effects of Tempering Additional Process Factors Influence on Hardness Influence on Tensile Properties Influence on Fatigue Resistance Influence on Residual Stresses Influence on Contact Fatigue Influence on Bending and Impact Toughness Influence on Wear Resistance...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300079
EISBN: 978-1-62708-323-2
... T.A. , Tobe S. , Rolling Contacts , Wiley , New York , 2000 10.1002/9781118903001 • Totten G.E. , Ed., Friction, Lubrication, and Wear Technology , Volume 18 , ASM Handbook , ASM International , 2017 , p 103 – 378 10.31399/asm.hb.v18.9781627081924 • Waterhouse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030117
EISBN: 978-1-62708-282-2
... on failures caused by erosion is available in the article “Liquid Impact Erosion” in Failure Analysis and Prevention , Volume 11 of ASM Handbook . Fretting Corrosion Fretting corrosion is a combined wear and corrosion process in which material is removed from contacting surfaces when motion between...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780267
EISBN: 978-1-62708-281-5
... of a polymer surface when it comes in contact with another surface. Historically, polymer wear has been studied based on the prevailing wear mechanisms at the contact zone (between the polymer surface and a hard counterface), which led to several methods of classification. The classification of polymer...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300179
EISBN: 978-1-62708-323-2
... contributing factor to the favorable adhesive wear characteristics of cast iron may be its poor weldability. Adhesive wear involves cold (solid-state) welding of contacting surfaces. Cast irons, because of their high carbon content (and the graphite), cannot be welded by any conventional process without using...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250257
EISBN: 978-1-62708-345-4
... of gear failure analysis. contact fatigue failure analysis fatigue failure gears macropitting micropitting rolling-contact fatigue scuffing spalling stress rupture subcase fatigue thermal fatigue wear GEARS can fail in many different ways, and except for an increase in noise level...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.9781627083232
EISBN: 978-1-62708-323-2
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300121
EISBN: 978-1-62708-323-2
... of contact Fig. 5.5 Typical profilometer map of a fretting wear test scar Fig. 5.6 Typical pin-on-disk wear; A is area Fig. 5.7 Cross section of a pin-on-flat wear scar measured by profilometry transverse (Pt) to the sliding direction. The wear area in red is calculated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040295
EISBN: 978-1-62708-300-3
... Failures In forging, die failures may be classified by one of the following three failure modes: The most common cause of die failure is wear. Die wear occurs as the result of the die and the workpiece sliding relative to one another while in contact. Typically, die wear is thought of as removal...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
...-stress side is continually exposed at the sharp tip. Eventually, of course, the part must be replaced, but service life may be very long in certain types of soil, particularly those without rocks. Fig. 7 Self-sharpening of a digging tooth from ground-contact equipment by controlled wear through...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250019
EISBN: 978-1-62708-345-4
... . Nomenclature and units of measure used in this chapter to discuss friction, lubrication, and wear of gears Table 1 Nomenclature and units of measure used in this chapter to discuss friction, lubrication, and wear of gears Symbol Description Units B M Thermal contact coefficient lbf...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060385
EISBN: 978-1-62708-261-7
... (bowing) of a cobalt-base alloy turbine vane from overheating Fig. 16.16 Creep crack in a turbine vane Fig. 16.7 Fretting wear on a steel shaft where the interface with the hub was intended to be a press fit Fig. 16.8 Stress distribution in contacting surfaces due to rolling...