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Theoretical and Practical Estimations Regarding of Borderline Conditions Imposed for Qualitative Achievement of Sliding Bimetallic Bearings From Steel-Bronze

[+] Author Affiliations
Petru A. Pop, Petru Ungur

Oradea University, Oradea, Romania

Juan Lopez Martinez

Polytechnic University of Valencia, Alcoy, Spain

Gheorghe Bejinaru-Mihoc

Transilvania University, Brasov, Romania

Paper No. MSEC2009-84193, pp. 569-576; 8 pages
doi:10.1115/MSEC2009-84193
From:
  • ASME 2009 International Manufacturing Science and Engineering Conference
  • ASME 2009 International Manufacturing Science and Engineering Conference, Volume 1
  • West Lafayette, Indiana, USA, October 4–7, 2009
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-4361-1 | eISBN: 978-0-7918-3859-4
  • Copyright © 2009 by ASME

abstract

The paper has presented the reduced structure of horizontal centrifugal casting mechanism by high frequency current of bimetallic bushes from steel-bronze, with a chemical stability treatment of borderline alloy layer. This stabilizer borderline layer at interference of inner cylindrical surfaces from steel and external surfaces from bronze, has achieved by adding into filler metal of Cu-Sn a supplier non-ferrous metal added, with great specific weight and low melting point as Cu-Sn alloy, for example Sn with contents of 1% from Cu-Sn alloy. At high temperature and pressure, Sn is forming with Fe from steel mass of bimetallic bearing an inter-metallic compound FeSn2 , which reactions with Cu-Sn alloy due to a stable metallic connection. The experimental tests have realized at Machine Tools ‘Infratirea’ Co from Oradea, achieved bimetallic bearings of steel-bronze, with a good physical and thermal stability and well adhesion between antifriction steel with bronze.

Copyright © 2009 by ASME

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