Ti-4.3Fe-7.1Cr合金射出成形材の焼結挙動と機械的特性 Sintering Behavior and Mechanical Properties of Injection Molded Ti-4.3Fe-7.1Cr Alloys

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著者

    • 三浦 秀士 MIURA Hideshi
    • 九州大学大学院工学研究院知能機械システム部門 Department of Intelligent Machinery and Systems, Faculty of Engineering, Kyusyu University
    • 新家 光雄 NIINOMI Mitsuo
    • 東北大学金属材料研究所生体材料学研究部門 Department of Biomaterials Science, Institute for Materials Research, Tohoku University
    • 池田 勝彦 IKEDA Masahiko
    • 関西大学工学部先端マテリアル工学科 Department of Materials Science and Engineering, Faculty of Engineering, Kansai University

抄録

The metal injection molding process was used to produce the Ti-4.3Fe-7.1Cr alloy compacts using the mixture of Ti and Fe-Cr alloy powders, and mixed elemental powder. The effect of mixed powder and sintering temperature on the densification behavior, mechanical properties and microstructures of the compacts were mainly investigated. The compacts sintered at below 1423K using a mixed elemental powder showed higher density and tensile strength as compared to the compacts using a mixture of Ti and Fe-Cr alloy powders. However, the tensile elongation at fracture of sintered compacts using both mixed powders was about 3%. Characteristic X-ray images and X-ray diffraction measurement confirms a particle dispersion, which is thought to be precipitation of α Ti phase, along the grain boundaries. Eventually, the tensile strength and relative density of the compacts sintered at 1423K using a mixed elemental powder attain 1160MPa and 96.9%, respectively.

収録刊行物

  • 粉体および粉末冶金  

    粉体および粉末冶金 53(10), 821-826, 2006-10-15 

    Japan Society of Powder and Powder Metallurgy

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各種コード

  • NII論文ID(NAID)
    10018326730
  • NII書誌ID(NCID)
    AN00222724
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    05328799
  • NDL 記事登録ID
    8559802
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-274
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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