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Suppressing Al2O3nanoparticle coarsening and Cu nanograin growth of milled nanostructured Cu-5vol.%Al2O3composite powder particles by doping with Ti
Zhou, Dengshan1,2,3; Geng, Hongwei1,2; Zeng, Wei4; Zhang, Deliang1,2; Kong, Charlie5; Munroe, Paul6
2017
发表期刊Journal of Materials Science and Technology
ISSN10050302
卷号33期号:11页码:1323-1328
摘要Both the coarsening of Al2O3nanoparticles and the growth of Cu nanograins of mechanically milled nanostructured Cu-5vol.%Al2O3composites with, and without, trace amounts of Ti during annealing at 973 K for 1 h were investigated. It was found that doping with a small amount of Ti (e.g. 0.2 wt%) in a nanostructured Cu-5vol.%Al2O3composite effectively suppressed the coarsening of Al2O3nanoparticles during exposure at this temperature. Further, the Ti addition also prevented the concomitant abnormal growth of the copper grains normally caused by the coarsening of the Al2O3nanoparticles. Energy dispersive X-ray spectroscopy analysis of the Al2O3nanoparticles in the annealed Cu-5vol.%Al2O3-0.2wt%Ti sample suggested that the Ti atoms either diffused into the Al2O3nanoparticles or segregated to the Cu/Al2O3interfaces to form Ti-doped Al2O3nanoparticles, which was more stable than Ti-free Al2O3nanoparticles during annealing at high homologous temperatures. © 2017
DOI10.1016/j.jmst.2017.03.010
EI入藏号20171403525713
EI主题词Grain growth
EI分类号531 Metallurgy and Metallography - 537.1 Heat Treatment Processes - 544.1 Copper - 761 Nanotechnology - 804.2 Inorganic Compounds - 933 Solid State Physics - 933.1.2 Crystal Growth - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25565
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang; 110819, China;
2.Institute of Ceramics and Powder Metallurgy, School of Materials Science and Engineering, Northeastern University, Shenyang; 110819, China;
3.Waikato Centre for Advanced Materials, School of Engineering, The University of Waikato, Private Bag 3105, Hamilton, New Zealand;
4.State Key Laboratory for Metal Matrix Materials, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai; 200240, China;
5.Electron Microscopy Unit, The University of New South Wales, Sydney; 2052, Australia;
6.fSchool of Materials Science and Engineering, The University of New South Wales, Sydney; 2052, Australia
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Zhou, Dengshan,Geng, Hongwei,Zeng, Wei,et al. Suppressing Al2O3nanoparticle coarsening and Cu nanograin growth of milled nanostructured Cu-5vol.%Al2O3composite powder particles by doping with Ti[J]. Journal of Materials Science and Technology,2017,33(11):1323-1328.
APA Zhou, Dengshan,Geng, Hongwei,Zeng, Wei,Zhang, Deliang,Kong, Charlie,&Munroe, Paul.(2017).Suppressing Al2O3nanoparticle coarsening and Cu nanograin growth of milled nanostructured Cu-5vol.%Al2O3composite powder particles by doping with Ti.Journal of Materials Science and Technology,33(11),1323-1328.
MLA Zhou, Dengshan,et al."Suppressing Al2O3nanoparticle coarsening and Cu nanograin growth of milled nanostructured Cu-5vol.%Al2O3composite powder particles by doping with Ti".Journal of Materials Science and Technology 33.11(2017):1323-1328.
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