TEMPER EMBRITTLEMENT AND PINE CONE LIKE FRACTURE SURFACE OF 5. 5% Ni CRYOGENIC STEELS.

Masato Murakami, Koji Shibata, Kotobu Nagai, Toshio Fujita

研究成果: Article査読

抄録

Pine cone is the surface produced by fracture along P-segregated martensite/austenite interfaces which form at prior austenitic grain boundaries and is caused by reverted austenite at the grain boundaries. Intercritical tempering promotes austenite formation thereby enhances the irregularity of the grain boundary and reduces the fraction of intergranular fracture. The retained austenite at the grain boundaries transforms to martensite during fracture.

本文言語English
ページ(範囲)808-814
ページ数7
ジャーナルTransactions of the Iron and Steel Institute of Japan
23
10
DOI
出版ステータスPublished - 1983
外部発表はい

ASJC Scopus subject areas

  • Engineering(all)

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