impact ductility

• 冲击韧性

impact ductility的用法和样例：

例句

1. Polypropylene shows a high mechanical strength, tensile strength, but a low notched impact strength, PP resists stress cracking and it is easy to weld.
   聚丙烯具有高刚性，高硬度和高强度，但缺口冲击韧性一般。
2. By purifying the alloy melt, refining matrix grain and carbide, it is possible to increase the impact toughness of the Cr-alloyed white cast iron.
   通过净化合金液，细化基体晶粒，细化碳化物可使铬合金白口铸铁的冲击韧性提高。