Effect of phosphorus on the microstructure of an FE-16CR-17NI austenitic ternary induced by fast neutron irradiation

Hideo Watanabe, Takeo Muroga, Naoaki Yoshida

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

8 被引用数 (Scopus)

抄録

The effects of phosphorus on void swelling in austenitic stainless steels under fast neutron irradiation have been investigated. Three model alloys (Fe-16Cr-17Ni, Fe-16Cr-17Ni-0.024P, Fe-16Cr-17Ni-0.1P) were irradiated to 40 dpa in the Fast Flux Test Facility (FFTF) using Materials Open Test Assembly (MOTA). The irradiation temperatures were 679K, 793K and 873K. Addition of phosphorus resulted in a suppression in void swelling at all temperatures. At the higher temperatures (793K and 873K), radiation enhanced formation of M2P-type phosphides were observed. These phosphides are expected to act as strong defect sinks, causing suppression of void swelling at these temperatures. On the other hand, at the lower temperature (679K), the suppression of void swelling appeared to be related to the reduction of vacancy mobility by phosphorus addition.

本文言語英語
ホスト出版物のタイトルASTM Special Technical Publication
編集者Arvind S. Kumar, David S. Gelles, Randy K. Nanstad, Edward A. Little
出版社Publ by ASTM
ページ951-963
ページ数13
1175
ISBN(印刷版)0803114885
出版ステータス出版済み - 1994
イベントProceedings of the 16th International Symposium on Effects of Radiation on Materials - Aurora, CO, USA
継続期間: 6 23 19926 25 1992

その他

その他Proceedings of the 16th International Symposium on Effects of Radiation on Materials
CityAurora, CO, USA
Period6/23/926/25/92

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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