ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Regular Article
Brazing of Ti-sputtering Activated Hot-pressed-SiN with Prior Metallized Ferritic Stainless Steel
Tushar DhamalLutz DornPrakriti Kumar GhoshDriss Bratout
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2008 Volume 48 Issue 9 Pages 1228-1237

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Abstract

The brazing of hot pressed silicon nitride (HPSN) with ferritic stainless steel using high temperature brazing material has been studied. The effect of prior brazing metallization of stainless steel and activation of faying surface of HPSN by titanium sputtering on characteristics of the joint have been analysed. The characteristics of the HPSN-steel brazed interface have been studied by energy dispersive X-ray spectroscopy (EDS) under SEM to understand the mechanism of joining through chemical interaction in different procedures used for the brazing. The bend strength of the brazed joints produced by different procedures of brazing process has been studied and compared. It is observed that the use of Ti activated HPSN and metallized stainless steel is beneficial for improvement of joint strength.

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© 2008 by The Iron and Steel Institute of Japan
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