建立了描述淬火钢圆形截面硬度分布曲线——U曲线的解析函数表达式。
An analytical function for describing hardness distribution in round section of quenched steel, known as U-curve, has been established.
由回火温度与硬度变化曲线证实，残余应力重新分布是与残余奥氏体转变相关联。
According to the tempering temperature and hardness curve, the redistribution of residual stress is associated with the transformation of residual austenite.
根据端淬实验数据和实验曲线导数变化规律，用线性试探法建立了端淬曲线微分方程，然后解得硬度分布函数。
A differential equation of the Jominy curves has been constructed according to the Jominy experimental data and the change of derivative of the Jominy curve.
根据端淬实验数据和实验曲线导数变化规律，用线性试探法建立了端淬曲线微分方程，然后解得硬度分布函数。
A differential equation of the Jominy curves has been constructed according to the Jominy experimental data and the change of derivative of the Jominy curve.
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