Arrest of weld-decay in 304 austenitic stainless steel by twin-induced grain boundary engineering

H. Kokawa, M. Shimada, M. Michiuchi, Z. J. Wang, Y. S. Sato

研究成果: Article査読

99 被引用数 (Scopus)

抄録

A twin-induced grain boundary engineered 304 austenitic stainless steel with a high frequency of coincidence site lattice boundaries produced by a one-step thermomechanical process was arc-welded. The heat-affected zone was examined by orientation imaging microscopy and corrosion tests. The results indicated that the intergranular corrosion due to sensitization in the heat-affected zone were perfectly suppressed, because the high frequency of coincidence site lattice boundaries and the optimum grain boundary character distribution were stable in the grain boundary engineered stainless steel during arc-welding. The grain boundary engineering can arrest the weld-decay of austenitic stainless steel effectively.

本文言語English
ページ(範囲)5401-5407
ページ数7
ジャーナルActa Materialia
55
16
DOI
出版ステータスPublished - 2007 9

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • セラミックおよび複合材料
  • ポリマーおよびプラスチック
  • 金属および合金

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