运用位错之间的交互作用理论,对各种轴向Cu晶体的循环形变行为进行了分析和比较,确认晶体循环形变的应力-应变响应以及形成的位错组态是由各滑移系统的位错反应的模式和强度决定的,根据晶体轴向在标准取向三角形中的位置,可以推断其循环形变行为.
A dislocation interaction model has been proposed for cyclic deforma-tion. According to this model, cyclic stress-strain responses and dislocation structuresof a crystal are associated with the modes and intensities of dislocation interac-tions between slip systems active in the crystal; and, hence, may be predicted bythe location of its axis in the crystallographic triangle. This model has successfullyexplained the different behaviouls of double-slip crystals and multi-slip behavioursof some crystals with orientations usually considered as singleslip ones.
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