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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
... Abstract An investigation of wear and failure of babbitt bushes was completed in this study. The results showed that wear at dry sliding of babbitt obtained by plasma spraying was less than that of babbitt in the as-cast state and after a deformation heat treatment. The failure of babbitt...
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
... Abstract This article discusses the classification of sliding bearings and describes the major groups of soft metal bearing materials: babbitts, copper-lead bearing alloys, bronze, and aluminum alloys. It provides a discussion on the methods for fluid-film lubrication in bearings. The article...
Image
Published: 01 January 2002
Fig. 4 Sliding bearing surfaces that failed by fatigue. (a) Wormhole appearance in a lead-base babbitt bearing. (b) Flaking (between arrows) of overlay in a trimetal bearing More
Image
Published: 30 August 2021
Fig. 7 Sliding bearing surfaces that failed by fatigue. (a) Wormhole appearance in a lead-base Babbitt bearing. (b) Flaking (between arrows) of overlay in a trimetal bearing More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006806
EISBN: 978-1-62708-329-4
... to a substantial increase in friction and wear. Bearing Materials This portion of the article provides an overview of bearing materials ( Ref 2 ). Metals such as tin alloy, copper alloy, lead-base Babbitt, and nodular cast iron have been used as bearing materials for a very long time. These materials have...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c9001719
EISBN: 978-1-62708-231-0
... it to rotate. The axle rotates inside of two frictional journal bearings. These bearings are made up of bronze cylinders with a babbitt metal coating. The bronze alloy composition is Cu-16Pb-6Sn-3.5Zn, with the babbitt composition being Pb-3.5Sn-(8–11.5)Sb. There have been many research studies looking...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003554
EISBN: 978-1-62708-180-1
... in the seventh stage of the compressor of jet airplane engines Failure of fourth-stage compressor wheels of helicopter jet engines In an investigation of a series of failures of diesel locomotive axles, it was found that the cause was LMIE by the lead-base Babbitt metal in the traction motor suspension...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006786
EISBN: 978-1-62708-295-2
... treatment Failure in the seventh stage of the compressor of jet airplane engines Failure of fourth-stage compressor wheels of helicopter jet engines In an investigation of a series of failures of diesel locomotive axles, it was found that the cause was LMIE by the lead-base Babbitt metal...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
... if they are lubricated. The bearing is essentially a bronze cylinder lined with babbitt metal. Typically, the bronze alloy composition is close to Cu-16Pb-6Sn-3.5Zn, while the babbitt composition is usually Pb-3.5Sn-8-11.5Sb. A window is cut into the bearing and packed with cotton waste, which trails down to an oil...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
... different from that responsible for the more usual type of failure shown by these components. Its occurrence can be minimised by design changes, so that the oil pressure is maintained, or possibly by a change in material, a tin-base babbitt being more resistant than a lead-base alloy of the same hardness...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
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.a0003520
EISBN: 978-1-62708-180-1
... as they approached the city. Lubrication was lost to the friction bearing. It got hot, and the low-melting-point Babbitt metal lining the bronze cylinder of the friction bearing melted and/or volatilized, so that the axle was rubbing against the bronze cylinder. With time, the cylinder and the axle got hot enough...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... particles may be formed by reaction between the steel and the oil or gas present if the resultant friction and heat are sufficient. Scabs or solid chunks of laminated or compacted slivers and other deposits are sometimes formed ( Fig. 9b ). Bearings or labyrinths of babbitt or copper alloys have been...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4