Mechanicalpropertiesoflaser-weldeddissimilarstainlesssteelsstructure

atelevatedtemperatureandhighstrainrates

WEI Yan-peng; YU Gang; DUAN Zhu-ping

doi:10.11883/1001-1455(2011)05-0504-06

Volume 31 Issue 5

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(5): 504-509

WEI Yan-peng, YU Gang, DUAN Zhu-ping. Mechanicalpropertiesoflaser-weldeddissimilarstainlesssteelsstructureatelevatedtemperatureandhighstrainrates[J]. Explosion And Shock Waves, 2011, 31(5): 504-509. doi: 10.11883/1001-1455(2011)05-0504-06

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WEI Yan-peng, YU Gang, DUAN Zhu-ping. Mechanicalpropertiesoflaser-weldeddissimilarstainlesssteelsstructure atelevatedtemperatureandhighstrainrates[J]. Explosion And Shock Waves, 2011, 31(5): 504-509. doi: 10.11883/1001-1455(2011)05-0504-06

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Mechanicalpropertiesoflaser-weldeddissimilarstainlesssteelsstructure atelevatedtemperatureandhighstrainrates

doi: 10.11883/1001-1455(2011)05-0504-06

1.
TheStateKeyLaboratoryof NonlinearMechanics,Instituteof Mechanics,
2.
ChineseAcademyofSciences,Beijing 100080,China;

Funds:

NationalNaturalScienceFoundationofChina(10832011)

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Corresponding author: WEI Yan-peng
Publish Date: 2011-09-25

Abstract

Abstract

StaticanddynamicmechanicalpropertiesofAISI304andAISI316Ldissimilarstainlesssteel laserweldedjointswereexperimentallystudiedbyMTSandanimprovedSHTBdevice.AnewSHTB clampingmethodfortheweldedstructurewasestablished.Thedynamicstrain-stresscurveswereobtainedatthestrainratearound103s- 1andtemperature25-500 ℃.Resultsshowthatyieldstrength andtensilestrengthoftheweldedstructureincreasewiththeincreaseofstrainrateanddecreaswith theincreaseoftemperature.Temperaturehasmoresignificanteffectontheplasticflowstressthan strainrate.
- solidmechanics,
- dynamicmechanicsproperties,
- SHTB,
- laser-weldeddissimilarmaterial,
- strainrate,
- temperature

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