The true stress-stain curve was measured.
测量了真应力应变曲线。
The stress-stain curve shows the strain-hardening characteristic without initial shear stress.
当不存在初始剪应力时，应力–应变关系表现为硬化型曲线；
The results indicate that the stress-stain curve of the honeycomb cardboard will first move up to the point of the unloading value with the secondary loading.
结果表明，二次加载时，蜂窝纸板的应力—应变曲线将首先上升到预压时的卸载点。
应用推荐