Mechanical Properties and Microstructure of SUS304 Brazed Joint with Ni-Based Filler Metals Added Cr Powder

Author:

Shohji Ikuo1,Takayama Satoshi,Nakazawa Takanori,Matsumoto Ken2,Hikita Masanori

Affiliation:

1. Gunma University

2. Kinzoku Giken Co. Ltd

Abstract

In the brazed joint of stainless steel with BNi-2 filler, brittle Cr-B compounds form in the vicinity of the centerline of the brazed joint. These compounds cause a decrease in joint strength. In this study, BNi-2 filler supplemented with Cr powder has been used in brazing stainless steel in orde r to disperse brittle Cr-B compounds uniformly in the brazed joint and improve joint strength. The mechanical properties and microstructures of the brazed joints were investigated. Moreover, a comp arison of the brazed joint with that using the BNi-2 filler was conducted.

Publisher

Trans Tech Publications, Ltd.

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Reference5 articles.

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2. Y. Hisamori: Quarterly Journal of JWS Vol. 10 (1992), p.211.

3. Y. Hisamori, H. Nishiura and K. Machida: Jour. Jpn Soci. Mech. Eng. Vol. 56 (1990), p.457.

4. A. Sakamoto, C. Fujiwara, T. Hattori and S. Sakai: Weld. J. Vol. 68 (1989), p.63.

5. S. Takayama, Y. Arikura, I. Shohji, T. Nakazawa, K. Matsumoto and M. Hikita: J. Japan Inst. Metals Vol. 68 (2004), p.130.

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