Life prediction method of copper thin film repaired by laser irradiation based on healing variable
Source abstract
Abstract
The cyclic stress–strain constitutive relationships for copper film smooth specimens with different damage degrees before and after laser irradiation treatment were investigated. Compared with the changes of the constitutive relationships under different damage degrees, a healing variable for the repaired copper film by laser irradiation was defined. Based on the analysis of the healing variable, a fatigue life prediction method was proposed. The experimental lives of the damaged notched specimens after laser irradiation treatment were used to verify the proposed life prediction method. The results showed that the predicted lives are in good agreement with the experimental results.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Corrosion Behavior and Inhibition · Metal and Thin Film Mechanics · Advanced Machining and Optimization Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
College of Machinery and Engineering, Taishan University, Shandong, China
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