摘要
给出连续矫直曲线的修正方程式,用有限元方法验证铸坯应变分布情况,并与单点矫直情况对比。单点矫直时,高变形速率区集中分布在切点附近;连续矫直时,铸坯在矫直变形区内应变速率低,且应变均布在整个矫直区。沿铸坯厚度方向,应力应变值在表面处最大,中性面偏向外弧侧。总应变计算值与理论值吻合较好。
The updated equation of continuous unbending is given and analyzed by FEM, which is contrasted to one point unbending. During one point unbending, high plastic-strain ratio zone is near by the unbending point while in continuous unbending condition the plastic strain ratio is low and strain is uniform. Strain is the largest in surface and neutral surface is bias to outer arc. The FEM result of the total plastic strain is well agreed to theoretic value.
出处
《连铸》
2001年第6期1-3,共3页
Continuous Casting
