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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006820
EISBN: 978-1-62708-329-4
... gears. Figure 1 shows a countershaft from an older manual automotive transmission. On it are four helical gears and one spur gear, and it provides an interesting insight as to how gears function. With a pair of spur gears, the mating teeth engage one or two at a time, while the angle of the teeth...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001092
EISBN: 978-1-62708-214-3
... stresses Transmissions (automotive) 4320H UNS H43200 Rolling-contact wear Fatigue fracture Background A transfer gear shaft that was part of a transmission sustained severe surface damage after 12 h of dynamometer testing at various gearing and torque loads. Applications The gear shaft...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001901
EISBN: 978-1-62708-218-1
... Abstract Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) were used to analyze an automotive polyoxymethylene (POM) sensor housing that was depolymerizing during service. It was found that a combination of heat, oxygen, and sulfuric acid attacked and caused premature...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001763
EISBN: 978-1-62708-241-9
... of Automotive Engineers , Warrendale, PA ( 1988 ). 3. Xu I.L. , Yu Z.W. , Ding H.X. : Failure analysis of a diesel engine gear-shaft . Eng. Fail. Anal. 13 , 1351 – 1357 ( 2006 ). 10.1016/j.engfailanal.2005.10.015 4. Bhaumik S.K. , Rangaraju R. , Parameswara M.A...
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
...-scanning, and scratch tests. After a discussion on gear scuffing, information on the material-dependent adhesive wear and factors preventing adhesive wear is provided. adhesive wear coefficient of friction galling metal sliding contacts scoring scuffing seizure scratch tests twist compression...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006850
EISBN: 978-1-62708-395-9
... of an acetal gear wheel. acetal gear wheel bulk wear elastomers thermoplastics thermosets interfacial wear nylon polyurethane elastomeric coatings wear wear rate wear resistance PLASTICS (OR POLYMERS) are used in a variety of engineering and nonengineering applications in which...
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
... failure of an antifriction bearing, a nylon driving gear, and a polyoxymethylene gear wheel. antifriction bearing cohesive wear elastomers glassy thermoplastics interfacial wear lubricant mechanical properties nylon nylon driving gear plastics polyoxymethylene gear wheel semicrystalline...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006836
EISBN: 978-1-62708-329-4
... in an Automotive Coil Spring The existence of a raw material defect within the steel matrix, such as a nonmetallic inclusion, can have adverse effects on the fatigue performance of springs depending on the size and location of the defect and the application load of a coil spring ( Ref 5 ). Figure 2(a) shows...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... are plotted in Fig. 17 for two identical gears of identical hardness, except one was double shot peened. The stress range of the fatigue limit of gear A is 1256 MPa, whereas an increase of 38% to 1710 MPa is observed for the double shot peened gear B ( Ref 41 ). Fig. 17 S-N curves for as-hardened...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... information being available to the designer. In such instances, the designer has to make assumptions concerning the conditions of service. Example 2: Distortion Failure of an Automotive Valve Spring The engine of an automobile lost power and compression and emitted an uneven exhaust sound after several...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... information being available to the designer. In such instances, the designer has to make assumptions concerning the conditions of service. Design and Distortion Failures Example 2: Distortion Failure of an Automotive Valve Spring. The engine of an automobile lost power and compression and emitted...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001810
EISBN: 978-1-62708-180-1
... resulting from rotation of the bearing ultimately leads to the initiation of fatigue cracks, and fragments of metal become detached to produce the effect described as pitting or flaking. This type of failure is similar to that found on the flanks of gear teeth. In addition to load, the pitting or flaking...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0006548
EISBN: 978-1-62708-180-1
... temperature at which austenite begins to form on heating Ac3 temperature at which transformation of ferrite to austenite is completed on heating ABS acrylonitrile-butadiene-styrene ACI Alloy Casting Institute AES Auger electron spectroscopy AGMA American Gear Manufacturers Asso- ciation AISI American Iron...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
..., bolted flanges, shrink fits, all in the presence of vibrations; reciprocating arms; electrical contacts; wire ropes Rolling-sliding wear Rolling bearings; cam and follower; gears; wheel-rail system Abrasive wear by hard particles Ore-processing machinery; blades and buckets of earth-moving...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... and did reduce the microscope vibrations to an acceptable level. Case #4: Torsional Vibration on a Reciprocating Pump A 66 rpm reciprocating water pump driven by a gear box and belt reduction experienced excessive torsional vibration that was being picked up at the gear case when the pump...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006925
EISBN: 978-1-62708-395-9