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Author：

Li, Ming (Li, Ming.) | Shang, De-Guang (Shang, De-Guang.) (Scholars：尚德广) | Liu, Xiao-Dong (Liu, Xiao-Dong.) | Jin, Jia (Jin, Jia.) | Chen, Tao (Chen, Tao.) | Guo, Y.B. (Guo, Y.B..) | Barkey, M.E. (Barkey, M.E..)

Indexed by：

EI Scopus

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.　©　2012　IEEE.

Keyword：

Fatigue damage Laser damage Morphology Repair Copper Metallic films Surface morphology

Author Community：

  • [ 1 ] [Li, Ming]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
  • [ 2 ] [Shang, De-Guang]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
  • [ 3 ] [Liu, Xiao-Dong]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
  • [ 4 ] [Jin, Jia]College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
  • [ 5 ] [Chen, Tao]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
  • [ 6 ] [Guo, Y.B.]Department of Mechanical Engineering, University of Alabama, Tuscaloosa, AL 35487-0276, United States
  • [ 7 ] [Barkey, M.E.]Department of Aerospace Engineering and Mechanics, University of Alabama, Tuscaloosa, AL 35487-0276, United States

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Year： 2012

Page： 1277-1281

Language： English

Cited Count：

WoS CC Cited Count： 0

SCOPUS Cited Count： 3

ESI Highly Cited Papers on the List： 0 Unfold All

WanFang Cited Count：

Chinese Cited Count：

30 Days PV： 3

Affiliated Colleges：

材料科学与工程学院 本学院/部未明确归属的数据

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