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Effects of Trace Si Addition on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-4Zr Alloy
Ba, Hongbo; Dong, Limin; Zhang, Zhiqiang; Lei, Xiaofei; Dong, LM (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
2017-08-01
Source PublicationMDPI AG
ISSN2075-4701
Volume7Issue:8Pages:-
AbstractThe microstructural evolution and tensile properties of Ti-3Al-8V-6Cr-4Mo-4Zr titanium alloys with various Si contents were investigated. The results revealed that the addition of trace Si and the presence of Zr induced the formation of (TiZr)(6)Si-3 silicides, in the size range from 100 nm to 300 nm. The fine silicide precipitates refined beta grains. The tensile strength increased about 40 MPa due to precipitation strengthening and grain refinement, and the ductility of the two alloys was similar. The tensile fracture mode of the alloys was dimple ductile fracture.; The microstructural evolution and tensile properties of Ti-3Al-8V-6Cr-4Mo-4Zr titanium alloys with various Si contents were investigated. The results revealed that the addition of trace Si and the presence of Zr induced the formation of (TiZr)(6)Si-3 silicides, in the size range from 100 nm to 300 nm. The fine silicide precipitates refined beta grains. The tensile strength increased about 40 MPa due to precipitation strengthening and grain refinement, and the ductility of the two alloys was similar. The tensile fracture mode of the alloys was dimple ductile fracture.
description.department[ba, hongbo ; dong, limin ; zhang, zhiqiang ; lei, xiaofei] chinese acad sci, inst met res, 72 wenhua rd, shenyang 110016, liaoning, peoples r china
KeywordTitanium Alloy Microstructure Silicide Tensile Properties
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79162
Collection中国科学院金属研究所
Corresponding AuthorDong, LM (reprint author), Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Ba, Hongbo,Dong, Limin,Zhang, Zhiqiang,et al. Effects of Trace Si Addition on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-4Zr Alloy[J]. MDPI AG,2017,7(8):-.
APA Ba, Hongbo,Dong, Limin,Zhang, Zhiqiang,Lei, Xiaofei,&Dong, LM .(2017).Effects of Trace Si Addition on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-4Zr Alloy.MDPI AG,7(8),-.
MLA Ba, Hongbo,et al."Effects of Trace Si Addition on the Microstructures and Tensile Properties of Ti-3Al-8V-6Cr-4Mo-4Zr Alloy".MDPI AG 7.8(2017):-.
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