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从变形规律出发,建立σ_b 和σ_(0.2)的数学模型,得出σ_(0.2)和σ_b 的关系。使用微处理机进行计算,找出σ_(0.2)和σ_b 的一般趋势。将计算结果与试验结果进行比较,说明本文建立的数学关系是有效的。
Based on the law of deformation, the mathematical model of σ_b and σ_ (0.2) is established and the relationship between σ_ (0.2) and σ_b is obtained. Calculate using a microprocessor to find the general trend of σ_ (0.2) and σ_b. Comparing the calculated result with the experimental result, it shows that the mathematical relation established in this paper is effective.