金属板材成型性参数的预测方法

在材料织构定量分析的基础上，由织构级数展开系数计算金属板材的成型性参数，如塑性应变比Ｒ值与泰勒因子Ｍ等。通过物理数学模型的选择，提出了改进的简化数模。采用Ｂｕｎｇｅ符号系统与晶体学处理方法，建立了测算织构金属材料的成型性参数的新方法。理论预测与力学性能测试的结果相一致，证实了该法的准确性和可靠性

PREDICTION OF FORMABILITY PARAMETERS OF SHEET METALS

Based on the development of the Quantitative Texture Analysis (QTA) of materials, the calculation of formability parameters such as plastic strain ratio R and the Taylor factor M of sheet metals from series expansion Coefficients of texture have been studied. A simplified mathematic model has been proposed by choosing suitable physicomathematic model, and a new method to calculate formability parameters of texture metal materials has been given using Bunge symbol system and cystallology process method. The prediction results agree well with experimental data from a steel sheet.