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Performance of graphic aluminium particulate composite materials

Biswasa, SK and Shantharam, A and Rao, NAP and Swamy, K Narayana and Rohatgi, PK and Biswas, SK (1980) Performance of graphic aluminium particulate composite materials. In: Tribology International, 13 (4). pp. 171-176.

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Friction characteristics of journal bearings made from cast graphic aluminum particulate composite alloy were determined under mixed lubrication and compared with those of the base alloy (without graphite) and leaded phosphor bronze. All three materials ran without seizure while the performance of the particulate composite and leaded phosphor bronze improved with running. Temperature rise in the journal bearing under mixed/boundary lubrication was also measured. It was found that with 0.3D/1000 to 1.5D/1000 clearance and a low lubrication rate (typical value for a bearing of diameter 35 mm × length 35 mm is 80 mm3/min) and at a PV value of 73 × 106 Nm m−2 min−1 graphitic aluminium alloy journal bearings operate satisfactorily without seizure and excessive temperature rise. In comparison, the bronze bearings, with all the other parameters remaining the same, could not run without excessive temperature rise at clearances below D/1000 at lubrication rates lower than 200 mm3/min

Item Type: Journal Article
Publication: Tribology International
Publisher: Elsevier Ltd.
Additional Information: Copyright of this article belongs to Elsevier B.V.
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Date Deposited: 06 Feb 2010 07:36
Last Modified: 19 Sep 2010 05:38
URI: http://eprints.iisc.ac.in/id/eprint/21567

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