Paper Title:
Effect of Indium on Bonding between Porcelain and Au-Pt-Cu Alloy
  Abstract

Effects of 0.5 wt% Indium addition on the oxidation of Au-Pt-Cu alloy, the interfacial microstructure and bonding strength between porcelain and Au-Pt-Cu-xIn alloys(x = 0, 0.5wt%) were investigated using scanning electron microscopy, X-ray diffractometry, transmission electron microscopy, and a tensile tester. The bonding strength of the Au-Pt-Cu and Au-Pt-Cu-0.5In alloys with porcelain was about 24.6 MPa and 49.5 MPa in average, respectively. This higher bonding strength in the Au-Pt-Cu-0.5In alloy compared with the Au-Pt-Cu alloy without In is ascribed to the formation of In2O3 at the interface between porcelain and Au-Pt-Cu-0.5In alloy. Especially, the formation of In2O3 at the interface between porcelain and Au-Pt-Cu-0.5In alloy leads to enhancing chemical bonding between In2O3 and various oxides in porcelain, and also to improving the anchoring effect.

  Info
Periodical
Materials Science Forum (Volumes 510-511)
Edited by
Hyung Sun Kim, Yu Bao Li and Soo Wohn Lee
Pages
282-285
DOI
10.4028/www.scientific.net/MSF.510-511.282
Citation
S.H. Lee, H.Y. Jung, J. M. Doh, J. K. Yoon, H.N. Lim, "Effect of Indium on Bonding between Porcelain and Au-Pt-Cu Alloy", Materials Science Forum, Vols. 510-511, pp. 282-285, 2006
Online since
March 2006
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$32.00
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