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高速炉炉心材料としての高ニッケルオーステナイト鋼の開発, (I) d電子論に基づく成分設計

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Title: 高速炉炉心材料としての高ニッケルオーステナイト鋼の開発, (I) d電子論に基づく成分設計
Other Titles: Development of High Nickel Austenitic Steels for the Application to Fast-Reactor Cores. (I) Alloy Design with the Aid of the d-electrons Concept.
Authors: 村田, 純教1 Browse this author
森永, 正彦2 Browse this author
湯川, 夏夫3 Browse this author
鵜飼, 重治4 Browse this author
野村, 茂雄5 Browse this author
奥田, 隆成6 Browse this author
原田, 誠7 Browse this author
Authors(alt): Murata, Yoshinori1
Norinaga, Masahiko2
Yukawa, Natsuo3
Ukai, Shigeharu4
Nomura, Shigeo5
Okuda, Takanari6
Harada, Makoto7
Keywords: molecular orbital method
DV-Xa method
fast reactors
reactor core materials
Issue Date: 30-Dec-1999
Publisher: 日本原子力学会
Journal Title: 日本原子力学会誌
Journal Title(alt): Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan
Volume: 41
Issue: 12
Start Page: 1244
End Page: 1251
Publisher DOI: 10.3327/jaesj.41.1244
Abstract: The design of high nickel austenitic steels for the core materlals of the fast reactors was performed following the d-electrons concept devised on the basis of molecular orbital calculations of transition-metal based alloys. In this design two calculated parameters are mainly utilized. The one is the d-orbital energy level (Md) of alloying transitlon elemehts, and the other is the bond order (Bo) that is a measure of the covalent bond strength between atoms. Using the Md-Bo phase stability diagram accurate prediction become possible for the phase stability of the austenite phase and 5% swelling at 140dpa for nickel ions. Here. Md and Bo are the compositional average of Md and Bo parameters, respectively. On the basis of the phase stability diagram and preliminary experiments, guidelines for the alloy design of carbo-nitraides precipitated high nickel austenitic steels were constructed. Following the guldelines several new austenitlc steels were designed for the fast reactors core material.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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