综合 Weng和 Bassani硬化律 ,通过对它们的改造 ,建立了一个适合于描述单晶循环硬化的单晶硬化律 ,并提出了适用于非比例循环加载条件下开动滑移系的预测方案 ,在此基础上 ,采用林同骅多晶塑性模型建立了适用于非比例循环加载条件下数值模拟迭代格式 .该模型用于预测3 1 6不锈钢材料在拉压对称循环加载路径、方型和圆型路径下的复杂循环变形行为 ,其预测结果与实验结果吻合良好 . Based on the hardening laws of Weng and Bassani, a single-crystal hardening law suitable for describing the single-crystal cycle hardening was established through their modification, and a prediction scheme suitable for the start-slip system under non-proportional cyclic loading was proposed. Based on this, a polycyclic plasticity model based on Lin-Hua-Hua was used to establish a numerical simulation iteration scheme suitable for non-proportional cyclic loading conditions. This model was used to predict the loading of 3 16 stainless steel under the tension- Complicated cyclic deformation behavior, the predicted results are in good agreement with the experimental results.