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Title Damage to Cu - Pb bearing for diesel engines and causes thereof
Creator/Author Sasaki, S. ; Fukuoka, T. ; Futamura, K. ; Kahu, Y.
Publication Date1987 Jan 01
OSTI IdentifierOSTI ID: 6425241
Report Number(s)CONF-870204-
Resource TypeConference
Specific TypeBook
Resource RelationSociety of Automotive Engineers international congress and expo; 23 Feb 1987; Detroit, MI, USA; 870582
Research OrgTaiho Kogyo Co., Ltd.
Subject330102 -- Internal Combustion Engines-- Diesel ;360104 -- Metals & Alloys-- Physical Properties ;360105 -- Metals & Alloys-- Corrosion & Erosion; BEARINGS-- CORROSION;BEARINGS-- DAMAGE;BEARINGS-- TEMPERATURE EFFECTS;COPPER ALLOYS-- CORROSION;DIESEL ENGINES-- BEARINGS;LEAD ALLOYS-- CORROSION;LUBRICATING OILS-- CORROSIVE EFFECTS; DESTRUCTIVE TESTING;FAILURE MODE ANALYSIS;INTERACTIONS;LINERS;MECHANICAL TESTS
Related SubjectALLOYS;CHEMICAL REACTIONS;ENGINES;HEAT ENGINES;INTERNAL COMBUSTION ENGINES;LUBRICANTS;MATERIALS TESTING;OILS;ORGANIC COMPOUNDS;OTHER ORGANIC COMPOUNDS;PETROLEUM PRODUCTS;SYSTEM FAILURE ANALYSIS;SYSTEMS ANALYSIS;TESTING
Description/Abstract Cu-Pb alloy bearings were collected from diesel engines actually operated in the United States and Japan, and a study was made of the damage to bearing overlays and linings.^ Results indicated exposure of compound layers produced by the diffusion of overlay components due to the complete removal of overlay from large segments of the bearing inner surface.^ There were many bearings in which the Pb had been lost from the Cu-Pb alloy.^ Based on the above results, experiments were conducted in which a tester was used to recreate the damage conditions of the overlay and the lining.^ Then, based on observation and the results of regenerative tests, it was concluded that high temperatures and lubricating oil used over a long period had a great impact on damage.
PublisherSociety of Automotive Engineers,Warrendale, PA
Country of PublicationUnited States
LanguageEnglish
FormatPages: 14
AvailabilitySociety of Automotive Engineers, 400 Commonwealth Dr., Warrendale, PA 15096.
System Entry Date2001 May 13

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