、、。、、。“”、“”[1](LSP)。2LSP1。(GW/cm2)、(10~30ns)(>104K)、(>1GPa)。。。[2]。。DevelopmentandApplicationofLaserShockProcessing(710038)LiWeiLiYinghongHeWeifengLiQipeng(EngineeringInstitute,AirForceEngineeringUniversity,Xi’an,Shaanxi710038China)()(LSP)。。、。。AbstractLasershockprocessing(LSP)orlaserpeeningisaninnovativesurfacetreatmenttechniqueforstrengtheningmetals.Thisprocessinducesacompressiveresidualstressfieldwhichincreasesfatiguecrackinitiationlifeandreducesfatiguecrackgrowthrate.Thecharacteristicsandthelatestdevelopmentoflasershockprocessingareintroduced.Thenseveralkeyissuesareaddressed,includingthedevelopmentofthelaserpeeningequipmentandtheopaqueoverlayselectionandsoon.Thefutureindustrialapplicationsaresummarized.KeywordslasertechniquelasershockprocessingshockwavesurfacetreatmentresidualstressfatiguelifeTG665doi10.3788/LOP20084512.001515Laser&OptoelectronicsProgressDec.2008VOL.45NO.12。[34]。[4~6]。LSP(shotpeeningSP)。、、LSP1)LSPLSP1~2mm5~102)LSP3)LSP。、、[7]4)LSP[8]。。33.11972(BattelleMemorialInstitute)FairandB.P.[9]7075LSP。1978FordS.CLSP。2080、、LSP。LSP。2090GEMICLSP、LSP[1011]。F110F101F10125hF1100.127mmLSP。21LSP。LSP4(AirForceManufacturingTechnologyProgrammes)LSP[12]。2002LSPMICLSP、。10。2004(LSPTechnologies,Inc.LSPT)F/A-22F119LSP[10]413.7MPa379MPa。LSPF119-PW-100。LSP。2003LSP(FAA)(JAA)。2004LSP777。3.22090LSP116。LSP、、、、、、、[13~17]。。LY12。LSPLSP80%。2090LSP。[18]LSP、[1615]LSP。。、、、LSP、、200610~20ns。2006LY2LSPLSP[1617]。LSP21LSP1.5。2006~2007、LSP、、。2LSP-1190MPa1mm。。。。2007LSP。LSP1000MPa2800MPa6LSP2~4。LSP2.5J、1.2mm30J、5mm。、LSP。4LSP2LSP17Laser&OptoelectronicsProgressDec.2008VOL.45NO.12。LSPGEAELSPTMICLSP。1)LSPLSP。、。SGR-EXTRA/25J(3)YAG。SGH-60(4)1mm、。SGR-EXTRA/25J●25J@1064nm●10ns●1Hz2)。。、。。、。[15]。3)。LSP[19]5。。4)。。。5)。、。3SGR-EXTRA/25J4SGH-60518[J].,2005,36(12):148~1522.[J].,2005(4):44~463,,.89-1[J].,2002,26(4):252~2544,,.[J].,2007,38(1):127~1315,,.[J].(E),1999,A29(3):222~2266,,.[J].,2002,29(8):751~7547ChenHongqiang.Microscalelasershockpeening[D].NewYork:ColumbiaUniversity,2004,5~88LSPTechnologiesInc..LasershockprocessingtechnicalbulletinNo.1[R].20019B.P.Fairand,A.H.Clauer.Lasergenerationofhigh-amplitudestresswavesinmaterials[J].Appl.Phys.,1979,50(3):1497~150210UniversalTechnologyCorporation.Highcyclefatigue(HCF)scienceandtechnologyprogram2002AnnualReport.[R].200311B.M.Davis,S.R.Mannava,T.J.Rockstrohetal..PerformanceofGenIVLSPforthicksectionairfoildamagetolerance[C].AIAA,2004,2062:1~1012D.W.See,J.L.Dulaney,A.H.Claueretal..Theairforcemanufacturingtechnologylaserpeeninginitiative[J].Surf.Eng.,2002,18(1):32~3613,,.[J].,2005,25(1):27~3114,,.[J].,2005,25(1):32~3415,,.[J].,2007,31(1):65~6716,,.LY2[J].,2007,43(3):48~4917,,.304[J].,2007,28(3):102~10518.[J].199619A.H.Clauer,J.L.Dulaney,S.M.Toller.Hiddensurfacelasershockprocessing[P].US,B23K26/00,US6002102,199920,,.[J].,2007,34(s1):78~8121,,.Ti6Al4V[J].,2007,33(7):869~87222,,.7050[J].,2004,31(1):125~12823,,.[J].,2000,A27(8):756~7605LSP、、[20~23]。1)。LSP2)。2~3103)。。LSP。60%MgCl2160℃124h4)。、LSP。6LSP、、。LSP。2008-06-052008-09-26(5132701)。(1982-)。E-mail:liwei53895354@126.com(1963-)。E-mail:yinghong_li@126.com19