Analysis of fatigue damage repair based on laser shock processing for copper film

Ming Li, De Guang Shang, Xiao Dong Liu, Jia Jin, Tao Chen, Y. B. Guo, M. E. Barkey

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

The effect of laser shock processing on fatigue life was investigated for pre-damaged polycrystalline copper film in this study. First, a series of laser shock processing experiments is performed by changing laser power density and number of pulses for the specimens with the same damage degree. The optimal repairing parameters of laser shock processing is identified by comparing with the fatigue lives of specimens before and after laser shock processing. Next, the effect of laser shock processing on the fatigue lives of the damaged and undamaged specimens under identical laser shock processing parameters is investigated. Finally, the opportunity of repair damage for the specimens with different damage degrees is discussed using the optimal processing parameters for the laser shock processing. The results indicated that laser shock processing has a great potential as a means of repairing the fatigue damage for film components.

Original languageEnglish (US)
Title of host publication2012 IEEE International Conference on Mechatronics and Automation, ICMA 2012
Pages1277-1281
Number of pages5
DOIs
StatePublished - 2012
Externally publishedYes
Event2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012 - Chengdu, China
Duration: Aug 5 2012Aug 8 2012

Publication series

Name2012 IEEE International Conference on Mechatronics and Automation, ICMA 2012

Conference

Conference2012 9th IEEE International Conference on Mechatronics and Automation, ICMA 2012
Country/TerritoryChina
CityChengdu
Period8/5/128/8/12

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Mechanical Engineering

Keywords

  • Copper film
  • Fatigue damage repair
  • Laser shock processing
  • Surface morphology

Fingerprint

Dive into the research topics of 'Analysis of fatigue damage repair based on laser shock processing for copper film'. Together they form a unique fingerprint.

Cite this