The computation expression for the strain neutral layer of stress and plastic bending was introduced and so the thinning coefficient computing formula of sheet metal was deduced.
给出了板料弯曲的应力应变中性层和纯弯曲应变中性层的计算公式,并推出板料弯曲时的变薄系数计算公式。
The results also show the strain is linear distributing along the section height of semi-rigid base, and the neutral layer of the beam specimen is lower than its geometrical center.
半刚性基层的正应力沿截面高度呈线性分布,合成大梁试件的中性层低于其几何形心。
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