Controlled Fracture Forming of Metal/Alpha-alumina Composite Wires

Kiyohiko Tatsuzawa, Tatsuhiko Aizawa, Junji Kihara

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Controlled fracture forming(CFF) of metal/alpha-alumina composite wires and fibers was mainly studied with respect to the strength of alumina resintered into composite wires sheathed by nickel or austenitic stainless steel. The hardness of resintered alumina decreased with total reduction of cold working, because the densification of alumina should be prevented by contamination of sheath-metal constitutive elements during processing. In order to improve this resinterability, pure aluminum foil was inserted into the interface between metal sheath and presintered alumina, and worked by CFF processing. These green composite wires were resintered at 1623K for 3.6ks in nitrogen atmosphere. This processing is effective to fabricate dense alpha-alumina/metal composite wires and fibers to be used in practical applications.

本文言語English
ページ(範囲)655-660
ページ数6
ジャーナルJournal of the Japan Society of Powder and Powder Metallurgy
42
5
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • 機械工学
  • 産業および生産工学
  • 金属および合金
  • 材料化学

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