Transmission Electron Microscope Observations of SUS304L Stainless Steel Heat Affected Zone

Takeshi Kuwana, Hiroyuki Kokawa

研究成果: Article査読

抄録

The micro-structure distribution of SUS304L stainless steel heat affected zone was investigated by transmission electron microscopy. The results are as follows: (1) Small ferrite phases were observed at sub-boundaries near the fusion boundary in the coarse grained region by transmission electron microscopy, which were not recognized by optical microscopy. (2) The degree of recovery in the dislocation structure became lower in the heat affected zone with the distance from the fusion boundary. (3) No grain boundary precipitations were observed in the grain boundary etched region by transmission electron microscopy. (4) The Vickers hardness distribution can be explained by the distribution of grain size and dislocation density.

本文言語English
ページ(範囲)981-988
ページ数8
ジャーナルJOURNAL OF THE JAPAN WELDING SOCIETY
51
12
DOI
出版ステータスPublished - 1982 1月

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 表面、皮膜および薄膜
  • 金属および合金

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