超音波衝撃処理による金属切断面の疲労強度向上方法および長寿命の金属製品

Title:

超音波衝撃処理による金属切断面の疲労強度向上方法および長寿命の金属製品

Document Type and Number:

Japanese Patent JP4235176

Kind Code:

B2

Inventors:

Tomonori Tominaga
Kazumi Matsuoka
Koji Homma
Hiroyuki Tanahashi

Application Number:

JP2004553196A

Publication Date:

March 11, 2009

Filing Date:

November 18, 2003

Export Citation:

Assignee:

Nippon Steel Corporation

International Classes:

C21D7/04; B23P9/00; B23K7/00; B23K103/04

Domestic Patent References:

JP2003113418A

Attorney, Agent or Firm:

Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Masaya Nishiyama

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