2006•Metallic Functional MaterialsRequires access

Research on Melting Point and Microstructure of Brazing Joint of TiZrFe Brazing Filler Metals

Xinlin Wang

Abstract

On the basis of TiZrFe eutectic,Fe in the alloy were partly replaced by Cu and Ni,the influence of this replacement on melting point and microstructure were investigated.Brazing filler with component of Ti55Zr20Fe10Ni10Cu5 show lowest melting point of about 846.1℃.This brazing filler was quenched into amorphous foils.The amorphous foils were then brazed with Ti-6Al-4V in vacuum furnace.The microstructure of the brazing joint of the amorphous filler was observed by means of SEM.To obtain fine joint structure,holding 20 minutes under 900℃ were needed whiles brazing with this brazing foil.

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Key concepts: Brazing, Materials science, Microstructure, Eutectic system, Melting point, Amorphous solid, FOIL method, Metallurgy