WEI Yan-peng, WU Xian-qian, YU Gang, DUAN Zhu-ping. Constitutiveequationsfordissimilarstainlesssteelslaser-weldedmaterials[J]. Explosion And Shock Waves, 2011, 31(5): 455-462. doi: 10.11883/1001-1455(2011)05-0455-08
Citation:
|
WEI Yan-peng, WU Xian-qian, YU Gang, DUAN Zhu-ping. Constitutiveequationsfordissimilarstainlesssteelslaser-weldedmaterials[J]. Explosion And Shock Waves, 2011, 31(5): 455-462. doi: 10.11883/1001-1455(2011)05-0455-08
|
WEI Yan-peng, WU Xian-qian, YU Gang, DUAN Zhu-ping. Constitutiveequationsfordissimilarstainlesssteelslaser-weldedmaterials[J]. Explosion And Shock Waves, 2011, 31(5): 455-462. doi: 10.11883/1001-1455(2011)05-0455-08
Citation:
|
WEI Yan-peng, WU Xian-qian, YU Gang, DUAN Zhu-ping. Constitutiveequationsfordissimilarstainlesssteelslaser-weldedmaterials[J]. Explosion And Shock Waves, 2011, 31(5): 455-462. doi: 10.11883/1001-1455(2011)05-0455-08
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Constitutiveequationsfordissimilarstainlesssteelslaser-weldedmaterials
- 1.
TheStateKeyLaboratoryof NonlinearMechanics,Instituteof Mechanics,
- 2.
ChineseAcademyofSciences,Beijing 100080,China;
- 3.
KeyLaboratoryforHydrodynamicsandOceanEngineering,Instituteof Mechanics,
More Information
- Corresponding author:
WEI Yan-peng
- Publish Date:
2011-09-25
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Abstract
Thestress-straincurvesofthe304and316Lstainlesssteelslaser-weldedmaterialswereobtainedbyusingtheequalstraintestmethod.
Andobvioushardeningbehaviorsduetothetinycrystal
oftheweldedmaterialswerenoticed.Thedynamicmechanicalpropertiesofthe304,316Landwelded
structurematerialswereexperimentallyinvestigatedbySHTBatelevatedtemperature.Constitutive
parametersforthe304and316Lstainlesssteelswerefittedaccordingtodynamicexperimentaldata.
ThenumericalsimulationfortheweldedstructurematerialsinSHTBtestwascarriedoutbyLS-DYNAanditwasfoundthatstressinthestructurematerialswasnon-
equilibriumattheearlyloading
stageduetomaterialimpedancedifference.Thestrainrate-relatedparametersinJohnson-Cookconstitutiveequationsfortheweldedmaterialswereobtainedbycombiningnumericalcalculationandexperimentaldata.
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References
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Proportional views
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