At the same time, the PUR foam plastics has some brittle features and its stress-strain curve is obviously nonlinear characteristics when it is deformed.
At the same time, the PUR foam plastics has some brittle features and its stress-strain curve is obviously nonlinear characteristics when it is deformed.
在拉伸加载下泡沫塑料具有明显的脆性变形特征，其应力－应变曲线存在明显的非线性。