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Effect of mechanical alloying on the microstructure and properties of W-Ti alloys fabricated by spark plasma sintering

文献类型：期刊论文

作者Wang, Shuang1; Luo, Lai-Ma1,3; Shi, Jing1; Zan, Xiang1,3; Zhu, Xiao-Yong1,3; Luo, Guang-Nan2; Wu, Yu-Cheng1,3
刊名POWDER TECHNOLOGY
出版日期2016-11-01
卷号302期号:无页码:1-7
关键词Tungsten-titanium Alloy Mechanical Alloying Milling Time Microstructure Spark Plasma Sintering
DOI10.1016/j.powtec.2016.08.039
文献子类Article
英文摘要W-15 wt.% Ti alloys were fabricated through mechanical alloying with different milling times ranging from 10 h to 80 h. The powders milled for 10, 30, 60, and 80 h were sintered by spark plasma sintering at 1600 degrees C. The milled powders and sintered samples were characterized by X-ray diffraction, scanning electron microscopy, and transmission electron microscopy; and their microhardness and thermal conductivity were investigated. Results revealed that the particles underwent welding, fracturing, and rewelding when the milling time increased. The grain size decreased, whereas the microstrain increased from 0.344% at 10 h to 0.543% at 80 h and dislocation density increased with the increase in milling time. However, the WC contamination was induced into the powder after a long milling time, thereby possibly forming the (Ti,W)C1-x solid solution with the addition of Ti after sintering. The second phase became uniformly distributed and the W grain size was reduced from 1.48 mu m to 0.31 mu m after a long milling time. Furthermore, the Vickers hardness increased from 543.05 Hv to 890.30 Hv and thermal conductivity also increased with an increase in milling time. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词THERMAL-CONDUCTIVITY ; COMPOSITES ; BEHAVIOR ; POWDERS ; PHASE
WOS研究方向Engineering
语种英语
WOS记录号WOS:000386420500001
资助机构National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Magnetic Confinement Fusion Program(2014GB121001) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; 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National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; National Natural Science Foundation of China(51474083) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; China Postdoctoral Science Foundation(2014T70583) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21739]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Hefei Univ Technol, Sch Mat Sci & Engn, Hefei 230009, Peoples R China
2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
3.Natl Local Joint Engn Res Ctr Nonferrous Met & Pr, Hefei 230009, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Shuang,Luo, Lai-Ma,Shi, Jing,et al. Effect of mechanical alloying on the microstructure and properties of W-Ti alloys fabricated by spark plasma sintering[J]. POWDER TECHNOLOGY,2016,302(无):1-7.
APA Wang, Shuang.,Luo, Lai-Ma.,Shi, Jing.,Zan, Xiang.,Zhu, Xiao-Yong.,...&Wu, Yu-Cheng.(2016).Effect of mechanical alloying on the microstructure and properties of W-Ti alloys fabricated by spark plasma sintering.POWDER TECHNOLOGY,302(无),1-7.
MLA Wang, Shuang,et al."Effect of mechanical alloying on the microstructure and properties of W-Ti alloys fabricated by spark plasma sintering".POWDER TECHNOLOGY 302.无(2016):1-7.

入库方式： OAI收割

来源：合肥物质科学研究院

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