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Effects of Zr Content on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-xZr Alloys
Ba, HB; Dong, LM; Zhang, ZQ; Xu, DS; Yang, R; Dong, LM (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
2016-08-01
发表期刊ACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
卷号29期号:8页码:722-726
摘要The microstructural evolution and tensile properties of Ti-3Al-8V-6Cr-4Mo-xZr (x = 0, 2, 4 and 6) titanium alloys were investigated. The precipitated phases and tensile fracture morphologies were observed using scanning electron microscopy and transmission electron microscopy. Experimental results show that the presence of trace impurity Si and the addition of Zr induce the formation of (TiZr)(6)Si-3 silicides. The quantity of silicides increases with Zr content increasing. The dispersed silicides refined the grain size of beta Zr-containing alloys, and the grain size decreases significantly with Zr content increasing. Accompanying these microstructural changes, the strength of the alloys is enhanced gradually with the increase of Zr content, which is attributed to the combination of precipitation strengthening and grain refinement.
部门归属[ba, hong-bo ; dong, li-min ; zhang, zhi-qiang ; xu, dong-sheng ; yang, rui] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [ba, hong-bo] liaoning univ technol, sch mat sci & engn, jinzhou 121001, peoples r china
关键词Titanium Alloy Microstructure Silicide Grain Size Tensile Properties
学科领域Metallurgy & Metallurgical Engineering
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76311
专题中国科学院金属研究所
通讯作者Dong, LM (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
推荐引用方式
GB/T 7714
Ba, HB,Dong, LM,Zhang, ZQ,et al. Effects of Zr Content on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-xZr Alloys[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2016,29(8):722-726.
APA Ba, HB,Dong, LM,Zhang, ZQ,Xu, DS,Yang, R,&Dong, LM .(2016).Effects of Zr Content on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-xZr Alloys.ACTA METALLURGICA SINICA-ENGLISH LETTERS,29(8),722-726.
MLA Ba, HB,et al."Effects of Zr Content on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-xZr Alloys".ACTA METALLURGICA SINICA-ENGLISH LETTERS 29.8(2016):722-726.
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