Investigation of fine heterogeneous microstructure on the mechanical properties of MIM Fe-Ni alloy steels

Wan Sharuzi Wan Harun, Toshiko Osada, Hyungoo Kang, Fujio Tsumori, Hideshi Miura

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

The influence of nickel particle sizes, nickel mass%, and sintering temperatures on the microstructure and mechanical properties of injection molded Fe-Ni compacts have been studied. The mixed elemental carbonyl iron and water-atomized nickel powders were utilized in this study. Tempered compact added 6mass% fine nickel powder which was sintered at 1250 °C for 1 hour showed superhigh strength of 2040 MPa with elongation of 8.1%, the best properties among reported data in MIM low alloy steel compacts. These excellent mechanical properties by fine heterogeneous microstructure of the compact are explained in terms of the complicated networks of nickel content variation throughout the steel matrix.

本文言語英語
ページ(範囲)677-684
ページ数8
ジャーナルFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
59
12
DOI
出版ステータス出版済み - 12 2012

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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