FATIGUE CRACK GROWTH SUPPRESSING METHOD FOR BENT PORTION OF METAL SHEET, AND AUTOMOTIVE PART
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
N/A
Issued Date -
Feb 6, 2025
app pub date -
Aug 18, 2022
filing date -
Aug 18, 2022
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A fatigue crack growth suppressing method for a bent portion of a metal sheet suppresses growth of a fatigue crack in the bent portion obtained by bending the metal sheet. The fatigue crack growth suppressing method includes generating a compressive residual stress by applying plastic strain at least within a range from a bending start point to a bending end point on an inside of a bend of the bent portion, at an interval of less than a sheet thickness of the metal sheet in a valley line direction of the bent portion, in a direction orthogonal to the valley line direction.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully