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cohesive wear

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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
... classification is based on the two-term model that divides wear mechanisms into interfacial and bulk or cohesive. The second is based on the perceived wear mechanism. The third classification is specific to polymers and draws the distinction based on mechanical properties of polymers. In this classification...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005755
EISBN: 978-1-62708-171-9
.... As with oxide inclusions, porosity can be a desirable characteristic. This discussion takes the generally held position that porosity is undesirable. Porosity creates poor coating cohesion and allows for higher wear and corrosion rates. Porosity is generally associated with a high number of unmelted...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006375
EISBN: 978-1-62708-192-4
... on the deformation and wear of various metals in contact with ceramics. Inspection of all the metal and ceramic surfaces after sliding contact in ultrahigh vacuum revealed that the metal deformation was principally plastic and that the cohesive bonds in the metal fractured ( Ref 44 , 45 , 46 ). All the metals...
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
... alternating stress field within the rolling-contact bodies, which eventually leads to material removal. The mechanism of RCF thus differs from the delamination theory of wear ( Ref 1 , 2 ), which also relies on cyclic loading but in sliding conditions and at asperity level. The alternating stress field...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001282
EISBN: 978-1-62708-170-2
... Technologies, Inc. The applications of thermal spray coatings are extremely varied, but the largest categories of use are to enhance the wear and/or corrosion resistance of a surface. Other applications include their use for dimensional restoration, as thermal barriers, as thermal conductors...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005706
EISBN: 978-1-62708-171-9
... also can lead to lower wear and friction due to the lubricity of some oxides. The retention of some unmelted and/or resolidified particles can lead to lower deposit cohesive strengths, especially in the case of as-sprayed coatings with no postdeposition heat treatment or fusion. In addition...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001348
EISBN: 978-1-62708-173-3
.... , and Taub A.I. , Ed., Proc. Mater. Res. Soc. , Vol 133 , 1989 , p 149 – 154 28. deBoer F.R. , Boom R. , Mattens W.C.M. , Miedema A.R. , and Niessen A.K. , Cohesion in Metals: Transition Metal Alloys , North-Holland , 1989 29. Hack J.E. , Strolovitz...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005730
EISBN: 978-1-62708-171-9
... coatings. It discusses the wear testing methodologies that are standardized by ASTM, including the pin-on-disk, block-on-ring, dry sand/rubber wheel, erosion, metallographic apparatus abrasion, fretting wear, cavitation, reciprocating ball-on-flat, impact, and rolling contact fatigue test. The article...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005738
EISBN: 978-1-62708-171-9
... 0.8% hBN YSZ, yttria-stabilized zirconia; DySZ, dysprosia-stabilized zirconia; PE, polyester; hBN, hexagonal boron nitride Fig. 3 Common blade wear/damage mechanisms observed during incursion Fig. 1 (a) Shaft labyrinth seals. (b) Shrouded blade labyrinth seals. (c) Unshrouded...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006367
EISBN: 978-1-62708-192-4
... Abstract This article discusses the importance of friction and wear and the role of lubricants in composites. It highlights the progress and developments in using different forms of carbon allotropes in composites for improved friction and wear performance of materials. The article focuses...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006109
EISBN: 978-1-62708-175-7
... Abstract This article describes the methods for determining the flow rate of metal powders. It examines the factors affecting flow rate, apparent density, and angle of repose of metal powders. The article reviews the frictional properties, cohesive strength, frictional properties, tap density...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003791
EISBN: 978-1-62708-177-1
... to cohesive failure of a coating and contribute to excessive wear debris. Oxides can also reduce corrosion resistance. It is important to select materials, coating processes, and processing parameters so that oxide content and structure can be controlled to acceptable levels for a given application. Fig...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006395
EISBN: 978-1-62708-192-4
... by engineering the surfaces to reduce or resist friction, abrasion, erosion, and corrosion. Wear can also be minimized by use of lubricants. Lubricants are commonly liquids but can also be solids; they provide reduced resistance to frictional and adhesive/cohesive wear. For additional information on friction...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005716
EISBN: 978-1-62708-171-9
... Densification Diffuse coating with substrate material Enhance cohesive and adhesive strength and fracture strength of coating Seal porosity For common MCrAlY coatings, for example, heat treatment plays a key role by accomplishing a number of objectives: Higher bond strength Seal porosity...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003428
EISBN: 978-1-62708-195-5
... pressure of 1379 kPa (200 psig), and the surfaces are raised using ambient- temperature clean tap water. Proper steam cleaning of intersecting surfaces and door fastener areas is particularly important. Surfaces should not be touched or contacted in any way after steam cleaning without personnel wearing...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
... experiences both material loss and deformation of the remaining portion. Adhesive wear occurs when surfaces in contact bond together through local welding of asperities or cohesive bonding. If the bonded junctions are stronger than one of the solids, wear arises from a shearing process within the solid...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005747
EISBN: 978-1-62708-171-9
... Technologies for Sustainable Defense (ASETSDefense) www.asetsdefense.org Commonwealth Scientific and Industrial Research Organization (CSIRO), Manufacturing and Materials www.csiro.au/org (a) URL as accessed Jan 2013 Table 3 ASTM International wear and corrosion test standards...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006306
EISBN: 978-1-62708-179-5
... ductility of ADI generates higher temperatures on the edge of the cutting tool, which favors material adhesion to the cutting tool. Under these conditions, cutting tools suffer relatively high abrasive and cohesive wear when compared to other types of SGI. Predominant cutting tool wear mechanisms depend...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006360
EISBN: 978-1-62708-192-4
... friction, improve lubrication efficacy, or minimize surface wear under severe contact conditions. The earliest functional thin-film tribological hard coatings for tool and component surfaces tended to be ceramic metal nitrides, such as titanium nitride. However, carbon-base tribological coatings began...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003565
EISBN: 978-1-62708-180-1
... Abstract This article discusses the generic features of impact wear on metals, ceramics, and polymers. It describes normal impact wear and compound impact wear, as well as the features of impact wear testing apparatus such as ballistic impact wear apparatus and pivotal hammer impact wear...