This paper analysed and calculated the dynamic yielding strength of plastic deformed metal in the bonding zone of explosive welding composite material in the condition of explosive welding.
用比拟的方法分析和计算了爆炸焊接条件下，爆炸复合材料结合区中塑性变形金属的动态屈服强度值。
Tests conducted by reseachers showed that, after cracking, the self-healing composite material could recover as much as 75 percent of its original strength.
科学家进行的测试实验显示，这种材料折断后，最多可以回复到原来长度的75%。
They're not wood at all but a hollow-core composite material with amazing structural strength and durability.
所有这些不是木头，而是有着惊人的结构强度和耐久性的一种空心核心合成材料。
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