Environmentally benign manufacturing of automotive parts via powder metallurgy

Akira Fujiki, Hisayoshi Kojima, Tatsuhiko Aizawa

研究成果: Article査読

3 被引用数 (Scopus)


Automotive parts produced using a powder metallurgy (P/M) process are commonly used in automobiles because they can be produced without the use of machining and with a special alloy design. This paper describes how the P/M process can be applied to the production of environmentally friendly automotive parts. The paper begins with a discussion on how the utilization of P/M for net-shape manufacturing makes it possible to conserve both energy and materials due to the fact that machining is unnecessary. Evidence is then presented that shows that it is possible to produce warm-compacted automotive P/M parts with sufficient strength even without the use of special alloy elements and/or heat treatments. As a final example, magnet materials made using spark-plasma sintering are described. This spark-plasma sintering process makes it possible to create high-performance magnet parts that are highly energy efficient. Finally, taking into consideration the above-mentioned example, the ideal P/M process is discussed from an environmentally benign point of view.

ジャーナルMaterials Transactions
出版ステータスPublished - 2002 3

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学
  • 機械工学


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