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Journal Articles

Triple ion beam irradiation tests on window materials of spallation targets

Futakawa, Masatoshi; Kurata, Yuji; Henry, J.*; Ioka, Ikuo; Saito, Shigeru; Naito, Akira

FZKA-6876, p.166 - 171, 2003/12

A report at MEGAPIE(Megawatt Pilot Experiment) Technical R & D Meeting is collected into an FZK report. Triple ion beam irradiation tests on T91 specimens were conducted under MEGAPIE condition using TIARA facility at JAERI. Results of triple ion beam irradiation up to 15dpa, 1400appm He, 10000appm H at 320$$^{circ}$$C were compared with those of single or dual beam irradiation of Fe or He ions by use of a micro-indentation method. Hardsness increase was mainly attributed to displacement damage by Fe ions. A little effect on hardness was found on simultaneous implantation of He and H ions. An analysis method to predict mechanical characterization form micro-indentation test results was developed on ion irradiated materials.

Oral presentation

Manufacturing miniature beam window for accelerator driven system by cutting T91 steel

Watanabe, Nao; Sugawara, Takanori; Okubo, Nariaki; Nishihara, Kenji

no journal, , 

no abstracts in English

Oral presentation

Corrosion test of T91 and SUS316L in liquid lead bismuth at 500$$^{circ}$$C

Komatsu, Atsushi; Kato, Chiaki

no journal, , 

A corrosion test was conducted in a molten lead-bismuth eutectic alloy having an oxygen concentration of about 10$$^{-7}$$ and 10$$^{-5}$$wt%. Although the average amount of corrosion of SUS316L was small, localized corrosion became severe when the oxygen concentration decreased. The average amount of corrosion of T91 was larger than that of SUS316L and the amount of corrosion increased slightly as the oxygen concentration increased, but localized corrosion was not severe.

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