Evolution of Microstructure of Cast Ti-Si System Alloy

Wu He  Han Yafang  Zhou  Yanbang

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Evolution of Microstructure of Cast Ti-Si System Alloy
Issue 4, Pages: 3-4(2001)
Published： 2001 ，
DOI：

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[1]吴鹤,韩雅芳,周彦邦,陈熙琛,潘明祥.钛硅系铸造合金的微观组织演变[J].特种铸造及有色合金,2001(04):3-4+3.

Wu He Han Yafang Zhou Yanbang. Evolution of Microstructure of Cast Ti-Si System Alloy. [J]. Special Casting & Nonferrous Alloys (4):3-4(2001)
[1]吴鹤,韩雅芳,周彦邦,陈熙琛,潘明祥.钛硅系铸造合金的微观组织演变[J].特种铸造及有色合金,2001(04):3-4+3. DOI：

Wu He Han Yafang Zhou Yanbang. Evolution of Microstructure of Cast Ti-Si System Alloy. [J]. Special Casting & Nonferrous Alloys (4):3-4(2001) DOI：

摘要

研究了钛硅系铸造合金的相组成、微观组织。X射线衍射试验表明

随着硅含量的增加

Ti5Si3相（ζ）的衍射峰越来越明显。同时

合金由固溶体的片状或网蓝组织逐渐演变为典型的棒状共晶组织。结果表明

钛硅系铸造合金与传统的铸造钛合金有着截然不同的微观组织特征

Abstract

The phase constituent and microstructure of Ti-Si syst em cast alloy wer e studied. It was found by XRD that the peak values of the Ti5Si3 phase were out standing gradually with the increase of the Si content in the alloy. And th e microstructure of the Ti-Si alloy evolved from the lamellar or basket we ave solid solution structure to the typical rod eutectic structure. The results showed that the microstructure of the cast Ti-Si alloys were completely differ ent from the microstructure of the troditional cast Ti alloy.