Back to results
US 2023/0405723 A1Published application
Method for machining tool
AssigneeSintokogio, Ltd.
InventorsYuta SAITO, Yuji KOBAYASHI
Life of this patent
Estimating the term…
Abstract
A method for machining a tool includes applying compressive residual stress to the tool by laser peening using a pulsed laser. The tool includes a base material and a coating layer that covers at least a portion of a surface of the base material. In the applying, the compressive residual stress is applied to the tool such that a difference in compressive residual stress at an interface between the base material and the coating layer is at most 100 MPa.
Claims8
A method for machining a tool, the method comprising applying compressive residual stress to the tool by laser peening using a pulsed laser,
- wherein the tool includes a base material and a coating layer that covers at least a portion of a surface of the base material, and
- in the applying, the compressive residual stress is applied to the tool such that a difference in compressive residual stress at an interface between the base material and the coating layer is at most 100 MPa.
Dependencies are inferred from the claim text.