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impact fretting

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Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
..., type of contact and vibration, impact fretting, surface finish, and residual stresses. The form, composition, and role of the debris are briefly discussed. The article also describes the measurement, mechanism, and prevention of fretting wear. It concludes with several examples of failures related to...
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
... phenomenon appears to have been a particular problem in the nuclear power industry ( Ref 24 – 26 ) and chemical processing plants. A large contribution to fretting in these industries is from impact fretting, which is discussed in the section “Impact Fretting” in this article. The accumulation of oxide...
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
... of sliding or those in which fretting occurs, such as the backprinter device of a hammer striking against a print band ( Ref 19 ). Adhesive wear occurs in both compound and normal impact contacts and is characterized by material smearing and transfer of material from one contacting body to the...
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
... prevalent in contacts with a small amount of sliding or those in which fretting occurs, such as the backprinter device of a hammer striking against a print band ( Ref 22 ). Adhesive wear occurs in both compound and normal-impact contacts; it is characterized by material smearing and transfer of material...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047823
EISBN: 978-1-62708-236-5
... shaft surface both near and in the keyways indicated fretting which greatly reduced the fatigue limit of the shaft metal and initiated fatigue cracks. Fatigue marks were observed on the fractured key. Repetitive impact loading was responsible for propagation of the cracks. The high cyclic bending...
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
... metal, inducing large plastic deformations followed by considerable loss of material by fracture processes such as scratching. Abrasion can also be produced by hard/sharp protuberances such as those on a metal file. Impact by hard substances can produce high-stress or gouging abrasion. Table 1...
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
..., insufficient or unsuitable lubrication, overloading, impact loading, vibration, excessive operating or environmental temperature, contamination by abrasive matter, entry of harmful liquids, and stray electric currents. The deleterious effects resulting from the above factors are as follows, though not...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
...-designed mechanically fastened joint, the fastener may be subjected to either static loading (overload) or dynamic fatigue loading. Static loading may be tension, shear, bending, or torsion—either singly or in combination. Dynamic forces may result from impact or from cyclic fatigue loading, including...
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
... crusher wear, electronic circuit board drill wear, grinding plate wear failure analysis, impact wear of disk cutters, and identification of abrasive wear modes in martensitic steels. abrasive wear failures abrasive wear mechanisms adhesive wear erosive-type wear wear failure analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001485
EISBN: 978-1-62708-225-9
... Abstract Factors which may lead to premature roller bearing failure in service include incorrect fitting, excessive pre-load during installation, insufficient or unsuitable lubrication, over-load, impact load vibration, excessive temperature, contamination by abrasive matter, ingress of harmful...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001831
EISBN: 978-1-62708-241-9
... contact surfaces. Chemical and thermal properties of the bearing grease were also examined. The investigation revealed that the failure was caused by wear due to dry friction and impact, both of which worsened as a result of high-temperature degradation of the bearing grease. Fatigue cracks initiated in...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
... (intramedullary refers to use of the marrow space of the bone for support). Some implants have very specific uses; others have a wide range of applications with different functions. Under the impact of a trauma, bones can fracture in any configuration and combination. In each patient, the fractures are unique...
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
... slip  Impact With slip Without slip  Sliding Unidirectional or reciprocating High speed or low speed Fretting or gross sliding Lubrication Lubricated or not Type of lubricant Lubricant Load Heavy or light Constant or variable Impact or not Contact geometry Point...
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
... also enter into the metal, causing hydrogen embrittlement. Hydrogen embrittlement occurs in many high-strength steels, stainless steels, and nonferrous alloys. Degradation of the materials caused by hydrogen embrittlement decreases their resistance to wear, especially when impact force or large...
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
... Impact Wear , Wear , Vol 185 , 1995 , p 17 – 22 10.1016/0043-1648(94)06586-1 35. Zheng Y.-K. and Yang Y.-Y. , Wear Characteristics of Large Grinding Balls in an SAG Mill , Tribol. Trans. , Vol 40 , 1997 , p 720 – 724 10.1080/10402009708983714 36. Xu L...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001835
EISBN: 978-1-62708-241-9
... tension test, hardness measurement, and impact toughness test under room temperature and low temperature (–40 °C) To analyze the metallographic structure of the broken bolts, metallographic investigation has been done. Samples for optical microscopy were prepared by grinding and polishing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001518
EISBN: 978-1-62708-228-0
... strands. It is apparent that there are a few key issues that are of great importance when aiming to minimize the risk of hydraulic hose failures and their consequential impact on the safety of the work environment. Corrosion of the reinforcing strands of hydraulic hoses is an issue that...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... investigator determined the cause of a complex aircraft accident when he observed that a portion of one wing tip was missing from the main impact site. This fragment was subsequently located several miles back on the flight path of the aircraft. The fragment provided evidence of a fatigue failure and was the...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
..., by increasing the lubricant viscosity, and by increasing the pressure in the system. Entrained air or water in oil can increase the likelihood of cavitation. More information of this phenomenon is available in the article “Liquid-Impact Erosion ” in this Volume. As discussed earlier, dirt...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006760
EISBN: 978-1-62708-295-2
.... 2 ). Fig. 2 (a) Before and (b) after cleaning with acetone pressure-sensitive film to remove corrosion products How the stress is applied to the component influences the features associated with the damage event. Tensile, shear, impact, and torsion have different identifying...