CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES.

Tatsuhiko Tanabe; Tatsuo Shikama; Yoshikazu Sakai; Masakazu Fujitsuka; Hiroshi Araki; Heitaro Yoshida; Ryoji Watanabe

doi:10.2355/tetsutohagane1955.69.16_2045

CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES.

Tatsuhiko Tanabe, Tatsuo Shikama, Yoshikazu Sakai, Masakazu Fujitsuka, Hiroshi Araki, Heitaro Yoshida, Ryoji Watanabe

Institute for Materials Research (IMR)

Research output: Contribution to journal › Article › peer-review

Abstract

Creep rupture properties of alloys which precipitate alpha -W were investigated in the temperature range from 900 degree C to 1050 degree C in He environment which simulates the primary coolant of high temperature gas cooled reactor and at 900 degree C in a reducing gas environment to be used when direct steelmaking is connected with the primary HTGR. The results are discussed in terms of carburization, decarburization and oxidation. Two alloys have the possibility of a 50,000 h rupture strength of more than 1 kg/mm**2. Degradation of rupture strength in an alloy which has alpha -W as the main strengthener did not appear in spite of severe decarburization.

Original language	English
Pages (from-to)	2045-2051
Number of pages	7
Journal	Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume	69
Issue number	16
DOIs	https://doi.org/10.2355/tetsutohagane1955.69.16_2045
Publication status	Published - 1983 Jan 1

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Metals and Alloys
Materials Chemistry

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CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES. / Tanabe, Tatsuhiko; Shikama, Tatsuo; Sakai, Yoshikazu; Fujitsuka, Masakazu; Araki, Hiroshi; Yoshida, Heitaro; Watanabe, Ryoji.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 69, No. 16, 01.01.1983, p. 2045-2051.

Research output: Contribution to journal › Article › peer-review

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title = "CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES.",

abstract = "Creep rupture properties of alloys which precipitate alpha -W were investigated in the temperature range from 900 degree C to 1050 degree C in He environment which simulates the primary coolant of high temperature gas cooled reactor and at 900 degree C in a reducing gas environment to be used when direct steelmaking is connected with the primary HTGR. The results are discussed in terms of carburization, decarburization and oxidation. Two alloys have the possibility of a 50,000 h rupture strength of more than 1 kg/mm**2. Degradation of rupture strength in an alloy which has alpha -W as the main strengthener did not appear in spite of severe decarburization.",

author = "Tatsuhiko Tanabe and Tatsuo Shikama and Yoshikazu Sakai and Masakazu Fujitsuka and Hiroshi Araki and Heitaro Yoshida and Ryoji Watanabe",

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T1 - CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES.

AU - Tanabe, Tatsuhiko

AU - Shikama, Tatsuo

AU - Sakai, Yoshikazu

AU - Fujitsuka, Masakazu

AU - Araki, Hiroshi

AU - Yoshida, Heitaro

AU - Watanabe, Ryoji

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AB - Creep rupture properties of alloys which precipitate alpha -W were investigated in the temperature range from 900 degree C to 1050 degree C in He environment which simulates the primary coolant of high temperature gas cooled reactor and at 900 degree C in a reducing gas environment to be used when direct steelmaking is connected with the primary HTGR. The results are discussed in terms of carburization, decarburization and oxidation. Two alloys have the possibility of a 50,000 h rupture strength of more than 1 kg/mm**2. Degradation of rupture strength in an alloy which has alpha -W as the main strengthener did not appear in spite of severe decarburization.

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CREEP RUPTURE PROPERTIES OF Ni-Cr-W ALLOYS FOR NUCLEAR STEEL MAKING IN HELIUM AND REDUCING GAS ATMOSPHERES.

Abstract

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