Title:
ピーニング施工方法とそれによって施工された溶接継手
Document Type and Number:
Japanese Patent JP5327567
Kind Code:
B1
Abstract:
PROBLEM TO BE SOLVED: To provide a method for improving a fatigue performance of a metal member in a large steel structure such as a bridge, a ship or a marine structure receiving a repeated load, or in a machine product such as an automobile or a construction machine; and to provide a method for repair or elongation of lifetime of the steel structure or the machine product.SOLUTION: In a method of executing peening, when a compressive residual stress is introduced into one surface side of a steel plate, a back side surface corresponding to a spot where the compressive residual stress is required to be introduced is struck by a striking tool, to thereby introduce the compressive residual stress into the spot where the compressive residual stress is required to be introduced.
Inventors:
Tomoichi
Application Number:
JP2013043667A
Publication Date:
October 30, 2013
Filing Date:
March 06, 2013
Export Citation:
Assignee:
JFE Engineering Corporation
International Classes:
B23K31/00; C21D7/06
Domestic Patent References:
| JP2004169063A | 2004-06-17 | |||
| JP2007029981A | 2007-02-08 | |||
| JP2011245545A | 2011-12-08 | |||
| JP2008100250A | 2008-05-01 |
Foreign References:
| WO2011092831A1 | 2011-08-04 |
Attorney, Agent or Firm:
Masami Sakai
Norio Kagami
Norio Kagami