Spontaneous and forced shear localization in high-strain-rate deformation of tantalum

@inproceedings{Chen1999SpontaneousAF,
  title={Spontaneous and forced shear localization in high-strain-rate deformation of tantalum},
  author={Yu Chen and Marc A Meyers and Vitali F Nesterenko},
  year={1999}
}
High-strain-rate shear localization was induced in tantalum by (a) lowering the deformation temperature or (b) subjecting it to high strains by dynamic deformation (up to ot= −0.8) or (c) pre-shocking (at oeff=0.22) and then deforming it. Although at ambient temperature the deformation of tantalum is macroscopically uniform to high strains (ot$−0.8), at 77 K shear localization under the same loading condition was developed at a critical strain of −0.2 to −0.3. This higher propensity to shear… CONTINUE READING

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