Microstructure and properties in friction stir weld of 12Cr steel

P. Hua, S. Moronov, C. Z. Nie, Y. S. Sato, H. Kokawa, S. H.C. Park, S. Hirano

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Friction stir welding was employed for joining of 12Cr heat resistant ferritic steel. Microstructure and mechanical properties in the obtained welds were examined and their relationship was established. The stir zone microstructure was found to consist of quenched martensite with numerous fine dispersoids uniformly distributed in grain interiors. The formation of this microstructure remarkably strengthened the stir zone. Tempering for 3·6 ks at 923 K reduced the as welded hardness of friction stir weld to nearly base material level.

本文言語English
ページ(範囲)76-81
ページ数6
ジャーナルScience and Technology of Welding and Joining
19
1
DOI
出版ステータスPublished - 2014 1 1

ASJC Scopus subject areas

  • 材料科学(全般)
  • 凝縮系物理学

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