Effect of pressure application by HIP on microstructure evolution during diffusion bonding

Naoya Masahashi, Shuji Hanada

研究成果: Article査読

6 被引用数 (Scopus)

抄録

The effect of pressure application by hot isostatic press (HIP) during diffusion bonding on microstructure evolution and bonding strength was studied using a couple of an Fe-Al alloy (Fe-Al) and CrMo steel (CrMo). Columnar microstructure evolution from the joint interface to the CrMo side is suppressed and aluminum diffusion from Fe-Al to CrMo is retarded with pressure application. Refined microstructure with fine precipitates is observed in the CrMo side beyond the columnar grains of the couple bonded with pressure. The application of pressure decreases the bonding strength and the strain to failure. It is concluded that the application of pressure provides microstructure refinement and strong hardening in the CrMo side of the couple, although it is not beneficial for bonding strength.

本文言語English
ページ(範囲)1651-1655
ページ数5
ジャーナルMaterials Transactions
46
7
DOI
出版ステータスPublished - 2005 7

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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