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

Masato Murakami; Koji Shibata; Kotobu Nagai; Toshio Fujita

doi:10.2355/isijinternational1966.23.808

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
巻	23
号	10
DOI	https://doi.org/10.2355/isijinternational1966.23.808
出版ステータス	Published - 1983
外部発表	はい

ASJC Scopus subject areas

工学（全般）

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10.2355/isijinternational1966.23.808

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abstract = "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.",

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AU - Fujita, Toshio

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

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