采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method.
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 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.
在获得球形孔泡沫纯铝压缩应力-应变曲线基础上，研究了泡沫纯铝的压缩屈服强度、吸能能力。
Based on compression curves of spherical pores al foam measured, compressive yield strength and energy absorption were investigated.
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