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Effect of Titanium Content on the Microstructure and Mechanical Properties of Tungsten-Titanium Alloy
Wang Xing; Duan Dongping; Guo Yunshu
2013-06-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
Volume42Issue:6Pages:1108-1112
AbstractTungsten heavy alloys (WHAs) with four different titanium contents (0.5%, 1.0%, 1.5%, 2.0%, wt.%) were prepared by powder metallurgy. The influence of titanium content on the microstructure and mechanical properties under high strain rates were investigated. The results show that the titanium particles disperse in the matrix with different morphology and the main effective element is the diameter of the titanium particles. There are lots of micro holes in the titanium particles when the diameter of titanium particles is larger than 20 mu m. The titanium particles do not dissolve in the matrix during the sintering process and the interfaces between titanium and tungsten, titanium and matrix are good. The results of Hopkinson Striker Bar indicate that the dynamic compressive strength is highest when the content of titanium is 0.5% and the strength has little change as the content of titanium increases from 1.0% to 2.0% under 3700 s(-1) strain rate. In the WHA with 2.0% titanium content, the adiabatic shear banding (ASB) is the main deformation mode and the titanium in the ASB is fragile, the temperature of thermal softening area is higher than that of the traditional WHAs because of the existence of titanium particles. The addition of titanium in the WHAs improves the adiabatic shear banding susceptivity.
KeywordPowder Metallurgy Titanium Content Tungsten Heavy Alloy Dynamic Mechanical Property Adiabatic Shear Banding
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
Language英语
WOS KeywordHOT-HYDROSTATIC EXTRUSION ; ADIABATIC SHEAR-BAND ; SUSCEPTIBILITY ; TORSION
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000321474500003
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13536
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang Xing,Duan Dongping,Guo Yunshu. Effect of Titanium Content on the Microstructure and Mechanical Properties of Tungsten-Titanium Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2013,42(6):1108-1112.
APA Wang Xing,Duan Dongping,&Guo Yunshu.(2013).Effect of Titanium Content on the Microstructure and Mechanical Properties of Tungsten-Titanium Alloy.RARE METAL MATERIALS AND ENGINEERING,42(6),1108-1112.
MLA Wang Xing,et al."Effect of Titanium Content on the Microstructure and Mechanical Properties of Tungsten-Titanium Alloy".RARE METAL MATERIALS AND ENGINEERING 42.6(2013):1108-1112.
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钛含量对新型钨钛合金微观组织及力学性能的(1165KB)期刊论文出版稿限制开放CC BY-NC-SAApplication Full Text
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