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标题:Influence of interfacial friction and specimen configuration in Split Hopkinson Pressure Bar system
时间:2019-06-12 22:40:25
DOI:10.1016/j.triboint.2015.04.002
作者:W.Z. Zhong;A. Rusinek;T. Jankowiak;F. Abed;R. Bernier
出版源: 《Tribology International》 ,2015 ,90 :1-14
摘要:Influence of interfacial friction and specimen configuration in Split Hopkinson Pressure Bar systemSplit Hopkinson Pressure BarDynamic frictionSpecimen configurationNumerical simulation•Interface friction brings stress triaxiality and Lode parameter in SHPB.•Interface friction induces inaccurate strain rate and flow stress values in SHPB.•Cylinder layered SHPB specimen is an option...
大小:3345 kb
页数:15 PAGES
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目录:
  • Influence of interfacial friction and specimen configuration in Split Hopkinson Pressure Bar system
    • Introduction
    • Specimen deformation characteristic in SHPB with various interface contact conditions
      • Principle of Split Hopkinson Pressure Bar
      • Stress state in specimen under compression condition
      • Effect of friction on stress distribution under compression
    • Numerical model and material property
      • Geometric description and cases considered
      • Material properties
    • Influence of interfacial friction in SHPB
      • Friction effect on cylinder specimen
      • Friction effect on cylinder sheet
      • Friction effect on cuboid specimen
      • Friction effect on cuboid sheet
    • Influence of specimen configuration in SHPB
      • Comparison between cylinder and cylinder sheet
      • Comparison between cuboid and cuboid sheet
    • Friction influence on stress state for cylinder and cuboid specimen
    • Experiment validation of cylinder sheet specimen in SHPB system
    • Conclusions
    • Acknowledgment
    • References

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