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Journal Articles

Development of PRW welding technology for 9Cr-ODS cladding tube

Seki, Masayuki; Kihara, Yoshiyuki; Kaito, Takeji; Tsukada, Tatsuya*; Motoki, Kazuhiko*; Hirako, Kazuhito*

Proceedings of International Conference on Toward and Over the Fukushima Daiichi Accident (GLOBAL 2011) (CD-ROM), 5 Pages, 2011/12

Oxide Dispersion Strengthened (ODS) steel has been developed as an advanced fuel cladding tube for sodium cooled fast reactors in Japan Atomic Energy Agency (JAEA) to attain the target burn up of 150 GWd/t in the bundle average because of its excellent swelling resistance and high mechanical strength in high temperature. If conventional TIG welding is applied to the ODS welding, it is difficult to obtain necessary mechanical strength at the weld zone because of the formation of porosity. It is formed by the argon bubbles which initially dissolve in the matrix and grow up under the high temperature during welding. Therefore JAEA has been conducted the development of pressurized resistance welding (PRW) technology for ODS cladding tube, which is one of the solid state welding methods. This paper describes in the development of PRW technology, an ultrasonic test method for detecting weld defects, the result of machine strength measurement examination in weld part and the result of fuel pin irradiation examination using nuclear reactor.

JAEA Reports

Developments of high-temperature Structural design rules for the HTTR class 1 boltings and core-restraint-bands

Motoki, Yasuo; Hada, Kazuhiko; *; Baba, Osamu

JAERI-M 91-056, 44 Pages, 1991/03

JAERI-M-91-056.pdf:1.68MB

no abstracts in English

JAEA Reports

Development of methods for generating design allowable limits for the HTTR high-temperature structural design code

Hada, Kazuhiko; Motoki, Yasuo; Baba, Osamu

JAERI-M 90-148, 231 Pages, 1990/09

JAERI-M-90-148.pdf:3.85MB

no abstracts in English

Oral presentation

Development of PRW technology for ODS steel, 12; Strength evaluation test by using artificially-defected test pieces

Seki, Masayuki; Kihara, Yoshiyuki; Hirako, Kazuhito*; Motoki, Kazuhiko*; Tsukada, Tatsuya*

no journal, , 

no abstracts in English

Oral presentation

Development of PRW technology for ODS steel, 13-2; Strength evaluation test with artificially-defected test pieces

Seki, Masayuki; Kihara, Yoshiyuki; Tsukada, Tatsuya*; Motoki, Kazuhiko*; Hirako, Kazuhito*

no journal, , 

no abstracts in English

5 (Records 1-5 displayed on this page)
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