...相界面的影响 关键词：Ti6Al4V ；片层组织；绝热剪切敏感性；高应变率 [gap=1013]Key words: Ti6Al4V; lamellar microstructure; adiabatic shearsusceptivity; high strain rate ...
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The fracture toughness of lamellar microstructure is higher than that of equiaxial microstructure when deformed above the phase transition.
相变点以上得到片层组织，片状组织的断裂韧性高于等轴组织。
Tensile ductility of lamellar microstructure is higher than that of equiaxed one at 20 K. Its deformation process consists of twinning and slipping.
低温下粗大的片状组织比等轴组织具有更高的拉伸延性，且合金的变形是由孪生变形和滑移变形共同作用的结果。
Investigation indicated that plastic flow characteristic is not obvious at the interface between ASBs and matrix, which observed long crack in lamellar microstructure.
片层组织绝热剪切带与基体的界面塑性流变特征不明显，并且在该区域观察到了呈快速扩展特征的长裂纹。
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