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首页> 外文期刊>Metals and Materials International >Investigation on Fabrication and Microstructure of Ti–6Al–4V Alloy Hollow Spheres by Powder Metallurgy
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Investigation on Fabrication and Microstructure of Ti–6Al–4V Alloy Hollow Spheres by Powder Metallurgy

机译：Ti-6Al-4V合金空心球体粉冶金制备和微观结构的研究

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摘要

In this study, the Ti–6Al–4V alloy hollow spheres were prepared by powder metallurgy method under different sintering temperatures (1200?°C, 1250?°C, 1300?°C, 1350?°C and 1400?°C). And the density, shrinkage and microstructure of hollow spheres were tested by Archimedes drainage method, diameter measurement, optical microscope and scanning electron microscope, respectively. The results show that the density and shrinkage of hollow spheres increase gradually with the sintering temperature increasing, while the porosity of the shell of hollow spheres decreased along with the increase of sintering temperature. When the sintering temperature is 1400?°C, the hollow sphere has the largest density of 2.10?g/cm~(3), the largest shrinkage of 22.0% and the smallest porosity of 14.2%. By comparing the micro-morphology and properties under different temperatures, when the sintering process lasted for 180?min at 1400?°C, the Ti–6Al–4V hollow spheres have the smallest porosity and the largest density. Graphic Abstract.
机译：None

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  • 作者

    Tianmiao Yu; Fengchun Jiang; Chunhe Wang; Mengxin Cao; Zhenqiang Wang; Yunpeng Chang; Chunhuan Guo;

  • 作者单位

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

    Key Laboratory of Superlight Materials and Surface Technology Ministry of Education Harbin Engineering University;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 金属材料;
  • 关键词

    Hollow spheres; Ti–6Al–4V alloy; Coating; Powder metallurgy; Sintering temperature;

    机译：空心球;Ti-6Al-4V合金;涂层;粉末冶金;烧结温度;
  • 入库时间 2022-08-20 18:22:34

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