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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048420
EISBN: 978-1-62708-226-6
... Abstract Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head was studied. The attack on the 316LR stainless steel was only shallow. Mechanical grinding and polishing structures were exhibited...
Image
Published: 15 January 2021
Fig. 3 Examples of fretting corrosion. (a) Fretting corrosion in bearings typically occurs in the loose fit between the outer ring and the housing or between the inner ring and shaft. Source: Ref 13 . Reprinted with permission from SKF Group. (b) Fretting corrosion between femoral stem More
Book Chapter

By Jivan B. Shah
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001903
EISBN: 978-1-62708-217-4
... Abstract Fretting and/or fretting corrosion fatigue have been observed on such parts as main rotor counterweight tie rods, fixed-pitch propeller blades, propeller blade clamps, pressure regulator lines, and landing gear support brackets. Microcracks started from severe corrosion pits...
Image
Published: 01 January 2002
Fig. 30 Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head. (a) Overview of wear on plate hole showing mechanical and pitting corrosion attack. 15×. (b) Higher-magnification view of shallow More
Image
Published: 01 January 2002
Fig. 35 Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head. (a) Overview of wear on plate hole showing mechanical and pitting corrosion attack. 15×. (b) Higher-magnification view of shallow More
Image
Published: 15 January 2021
Fig. 42 Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head. (a) Overview of wear on plate hole showing mechanical and pitting corrosion attack. Original magnification: 15×. (b) Higher More
Image
Published: 01 June 2019
Fig. 1 Fretting and fretting corrosion at the contact area between the screw hole of a type 316LR stainless steel bone plate and the corresponding screw head. (a) Overview of wear on plate hole showing mechanical and pitting corrosion attack. 15x. (b) Higher-magnification view of shallow More
Image
Published: 01 January 2002
Fig. 40 Freon-compressor shaft of 4140 steel that failed by fretting corrosion in the bearing area (Example 2). (a) Shaft and bearing assembly. (b) Failed region of shaft, at 2×, showing disturbed metal and partly closed keyway. (c) Shaft side of bearing inner ring, at 3×, showing pitting More
Image
Published: 15 January 2021
Fig. 46 Freon compressor shaft of 4140 steel that failed by fretting corrosion in the bearing area. (a) Shaft and bearing assembly. (b) Failed region of shaft showing disturbed metal and partly closed keyway. (c) Shaft side of bearing inner ring showing pitting similar to fretting damage. (d More
Image
Published: 01 June 2019
Fig. 5 Fretting corrosion on outer face. More
Image
Published: 01 June 2019
Fig. 1 Freon-compressor shaft of 4140 steel that failed by fretting corrosion in the bearing area (Example 2). (a) Shaft and bearing assembly. (b) Failed region of shaft, at 2×, showing disturbed metal and partly closed keyway. (c) Shaft side of bearing inner ring, at 3×, showing pitting More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006834
EISBN: 978-1-62708-329-4
... bearings are also explained. Finally, the article discusses in detail the characteristics and prevention of the various types of failures of REBs: wear, fretting, corrosion, plastic flow, rolling-contact fatigue, and damage. The article includes an Appendix, which lists REB-related abbreviations...
Book Chapter

By Siegfried Fouvry
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
... Abstract Fretting is a wear phenomenon that occurs between two mating surfaces; initially, it is adhesive in nature, and vibration or small-amplitude oscillation is an essential causative factor. Fretting generates wear debris, which oxidizes, leading to a corrosion-like morphology...
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
... or small-amplitude oscillation is an essential causative factor. Fretting frequently is accompanied by corrosion. Fretting of ferrous materials in air produces a characteristic reddish-brown debris of ferric oxide, which, when mixed with oil or grease, produces debris that is often referred to as “blood...
Book Chapter

By Jivan B. Shah
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001745
EISBN: 978-1-62708-217-4
..., a 2000-T6 aluminum alloy swivel fitting experienced intergranular corrosion fracture as the result of stress-accelerated corrosion. Corrosion began because of a loose fit between the aluminum swivel fitting and steel tube assembly, which caused fretting. Inadequate maintenance and/or abnormal service...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0091897
EISBN: 978-1-62708-236-5
... occurred, requiring the collar, spacer sleeve, seal, roller bearing, and lockwasher to be replaced. Fig. 1 Freon-compressor shaft of 4140 steel that failed by fretting corrosion in the bearing area (Example 2). (a) Shaft and bearing assembly. (b) Failed region of shaft, at 2×, showing disturbed...
Image
Published: 01 June 2019
Fig. 3 Corroded surface of fracture shown in Fig. 1 . Note severe fretting corrosion products (red-brown “mud” appearance) at and near two origins (O 1 and O 2 ) at the bottom outboard attachment bolt hole. Inset shows close-up of O 2 depicting “beach marks”. More
Book Chapter

By Ortrun E.M. Pohler
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
.... Implants can undergo surface attack by fretting, fretting corrosion, or wear. These types of attack can be relatively mild; they often occur only on the microscopic level, do not interfere with the functioning of the implant or the healing of the bone, and do not require reoperation. On prosthetic devices...
Book Chapter

Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048407
EISBN: 978-1-62708-226-6
... characteristic that fretting corrosion occurred at the screw/plate interface at screw hole No. 7. This screw was closest to the bone defect and was secured only in one cortex. Compared to all the other screws, this one was the most likely to undergo relative motion. As outlined in the legend in Fig. 1...
Book Chapter

By D.Y. Li
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
... delamination and removal by wear. Corrosion enhances the wear attack. Wear of railway steel under repeated rolling contact suffers from such wear attack involving wear, fatigue, and corrosion. Perhaps the most encountered type of fatigue wear corrosion is fretting wear in a corrosive environment, termed...