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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001530
EISBN: 978-1-62708-225-9
... examined. Both samples were subjected to accelerated wear tests in a laboratory type pin-on-disk apparatus. During the tests, the bearing materials acted as pins, which were pressed against a rotating cast iron disk. The wear behaviors of both bearing materials were studied using weight loss measurement...
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...
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
... for corrosive wear. Next, the article explains testing methods and characterization of corrosive wear. Various factors that influence corrosive wear are then covered. The article concludes with general guidelines for material selection against corrosive wear. corrosion corrosive wear material selection...
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
.... It discusses the processes involved in testing and modeling of impact wear, and includes two case studies. ceramics impact wear metals polymers wear modeling IMPACT OR PERCUSSIVE WEAR has been defined as “the wear of a solid surface that is due to percussion, which is a repetitive exposure...
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
... C. , Erck R.A. , and Fenske G.R. , Scuffing Mechanism of Near-Surface Material during Lubricated Severe Sliding Contact , Wear , Vol 271 , 2011 , p 1750 – 1753 10.1016/j.wear.2010.12.086 37. Olander P. and Jacobson S. , Scuffing Resistance Testing of Piston...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
... Steam turbines Wear tests Sn-13.5Sb-6.0Cu Sn-11.9Sb-4.5Cu Babbit (Other, miscellaneous, or unspecified) wear References 1. Garkunov D.N. : Tribology Engineering , Machinery , Moscow , 1989 , pp. 120 – 33 (in Russian). 2. Petrichenko V.K...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001680
EISBN: 978-1-62708-221-1
..., fractography, and microhardness testing were used to gain an understanding of the failure mechanism. Wire failures occurred predominantly at characteristic wear sites between strands. These wear sites are identifiable by a large reduction in diameter; however, reduction in area was not responsible...
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
... to better describe the various test configurations usually applied to investigate this aspect. Figure 7 illustrates the principle of a basic fretting wear test (i.e., plain fretting test without external bulk stress as usually applied in fretting fatigue experiments) ( Ref 41 , 42 ). This test...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001023
EISBN: 978-1-62708-214-3
... evidence of fretting wear debris; similar wear was observed on the splines of the mating bevel gear. It was concluded that the splines had failed by severe fretting wear. Fretting damage was also observed on the shaft face adjacent to the splines and on the bevel gear abutment shoulder. Additional tests...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048253
EISBN: 978-1-62708-234-1
... Abstract Two intermediate impeller drive gears (made of AMS 6263 steel, gas carburized, hardened, and tempered) exhibited evidence of pitting and abnormal wear after production tests in test-stand engines. The gears were examined for hardness, case depth, and microstructure of case and core...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0091853
EISBN: 978-1-62708-223-5
... Abstract A 230 mm (9 in.) diameter disk attrition mill was scheduled to grind 6.35 mm (0.25 in.) diameter quartz particles to a 0.075 mm (0.003 in.) diameter powder. Due to severe wear on the grinding plates, however, the unit was unable to complete the task of grinding the rock. The mill...
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
.... , Realizing Bench Test Solutions to Field Tribology Problems by Utilizing Tribological Aspect Numbers , Tribology: Wear Test Selection for Design and Application , STP 1199, Ruff A.W. and Bayer R.G. , Ed., ASTM , 1993 10.1520/STP15964S 6. Blau P.J. , Ed., Friction, Lubrication...
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
..., and provides information on physics and testing of rolling-contact fatigue. Processes commonly used to produce bearings for demanding applications are also covered. coatings Hertzian contact theory rolling-contact fatigue rolling-element bearings surface-initiated fatigue wear ROLLING-CONTACT...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... 1984 12. Foley T. and Levy A.V. , The Erosion of Heat Treated Steels , Wear , Vol 48 ( No. 1 ), 1983 , p 181 13. Madsen B.W. and Blickensderfer R. , A New Flow-Through Slurry Erosion Wear Test , Slurry Erosion: Uses, Applications, and Test Methods , STP 946...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001503
EISBN: 978-1-62708-234-1
... Abstract A hypoid pinion made from 4820 Ni-Mo alloy steel was the driving member of a power unit operating a rapid transit car. The pinion had been removed from service at the end of the initial test period because it showed undue wear. The mode of failure was severe abrasive wear. The cause...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001783
EISBN: 978-1-62708-241-9
... bronze bushing rubs over a tool steel indenter causing wear on the bushing. Conventional (abrasive) wear tests like the rubber wheel abrasion test or the Taber abrader test, confirms that the amount of abrasive wear decreases as hardness increases. When two materials with two different hardness materials...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001471
EISBN: 978-1-62708-221-1
... test piece was cut from the wearing surface of the hook with a view to ascertaining whether any strain-age embrittlement had occurred in this region, this surface being on the tension side of the specimen when it was tested by slow bending. It bent satisfactorily to 90° without showing any indications...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001300
EISBN: 978-1-62708-215-0
... as received for analysis. Fig. 4 The largest gear section, which was intact, as received for analysis. Arrows point to teeth that contained ultrasonic indications. Fig. 7 Sketch of a gear tooth profile showing observed wear and pitting damage. Approximate location of a subsurface crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... fatigue failure, the delamination failure, and the rolling-contact wear. ceramics delamination failure fatigue cracks propagation rolling contact fatigue test machines rolling-contact fatigue rolling-contact wear spalling fatigue failure surface cracks TECHNICAL CERAMICS used...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0046371
EISBN: 978-1-62708-234-1
... had not seized, and there was no evidence of heat discoloration in the galled areas. The inner cone, made of modified 4720 steel and carburized for wear resistance, rode on an AISI type 630 (17-4 PH) stainless steel spacer. Consequently, it was desirable to determine whether the galled spots contained...