Release of micro strain in tool alloy steel by a cavitating jet in air

H. Soyama, N. Yamada, O. Takakuwa, Y. Sekine, M. Mikami

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

1 被引用数 (Scopus)

抄録

Cavitation impacts can be utilized to improve material properties such as fatigue strength. In case of such application, cavitation was produced by a cavitating jet. In order to investigate mechanism of surface modification, tool alloy steel was treated by a cavitating jet and the surface was analyzed by using X-ray diffraction methods, i.e., 2D method and a fundamental approach. Residual stress was measured by 2D method and micro strain, which is strain in the grain, was evaluated by a fundamental parameter approach. In the present paper, in order to enhance cavitation impacts, a cavitating jet in air was used for surface treatment of tool alloy steel. It was revealed that a cavitating jet in air can introduce compressive residual stress. It was also shown that micro strain introduced by heat treatment or mechanical finishing was released by a cavitating jet in air.

本文言語英語
ホスト出版物のタイトル19th International Conference on Water Jetting
ページ219-228
ページ数10
出版ステータス出版済み - 12 1 2008
外部発表はい
イベント19th International Conference on Water Jetting - Nottingham, 英国
継続期間: 10 15 200810 17 2008

出版物シリーズ

名前19th International Conference on Water Jetting

その他

その他19th International Conference on Water Jetting
国/地域英国
CityNottingham
Period10/15/0810/17/08

All Science Journal Classification (ASJC) codes

  • 水の科学と技術

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