Adiabatic shear banding in a tungsten heavy alloy processed by hot-hydrostatic extrusion and hot torsion
作者： J LIU , L SHUKUI , Z XIAOQING , Z ZHAOHUI , Z HAIYUN
DOI: 10.1016/J.SCRIPTAMAT.2008.08.036
关键词:
摘要: The dynamic behaviors of tungsten heavy alloy (WHA) processed by hot-hydrostatic extrusion (HE) and hot torsion (HT) were investigated. HE + HT WHAs exhibit significant improved susceptibility to forming adiabatic shear bands (ASBs) a remarkably high flow stress 2400 MPa under uniaxial compression. With increasing plastic strain HT, an obviously tendency localized shearing was observed. Elongated subgrains with average width 200–300 nm bonded together formed parallel lamellar within the ASBs WHA.
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sci-hub.se 参考文章(12)
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