CREEP RUPTURE PROPERTIES OF SUPERALLOYS DEVELOPED FOR NUCLEAR STEELMAKING.

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

研究成果: Article査読

8 被引用数 (Scopus)

抄録

Creep rupture tests on six candidate alloys for intermediate heat exchangers of high-temperature gas-cooled reactors were carried out at 1173 to 1323 K in helium with small amounts of H//2, CH//4, CO, and CO//2, and at 1173 K in H//2 plus 15% CO plus 5% CO//2. The creep rupture strengths of each alloy were scarcely different at 1173 K in both environments. At higher temperatures in helium environments, the degradation of the creep rupture strengths appeared in carbide-strengthened alloys because of decarburization. The alloy, which mainly uses alpha -W as a strengthener, showed stable creep rupture strength up to 1323 K in spite of severe decarburization.

本文言語English
ページ(範囲)260-272
ページ数13
ジャーナルNuclear Technology
66
2
DOI
出版ステータスPublished - 1984 1 1

ASJC Scopus subject areas

  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学
  • 凝縮系物理学

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