提出应力屈服条件的应变屈服轨迹,给出了复合胀形极限成形系数的解法;
The strain yield locus of the stress yield criterion was advanced and the strain ellipse method for calculating the limit bulging coefficient was given.
提出应力屈服条件的应变屈服轨迹,给出了复合胀形极限成形系数的解法;
The strain yield locus of the stress yield criterion was advanced and the strain ellipse method for calculating the limit bulging coefficient was given.
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