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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
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume29Issue:8Pages:722-726
AbstractThe 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.
description.department[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
KeywordTitanium Alloy Microstructure Silicide Grain Size Tensile Properties
Subject AreaMetallurgy & Metallurgical Engineering
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76311
Collection中国科学院金属研究所
Corresponding AuthorDong, LM (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China.
Recommended Citation
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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