...强韧性 [gap=898] words：H10Mn2 weld metals; acicular ferrite; microstructure; thermos-simulation; properties of strength and toughness 0 引 言 ...
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As these properties are reduced there is also a decrease in tensile strength and an increase in the ductility and toughness of the steel.
随着这些性能的降低，拉伸强度也降低而钢的延展性和韧性则会提高。
The mechanical properties of polymers generally include low strength and high toughness.
聚合材料的机械性能一般表现为低强度和高韧性。
The distribution of internal stress has large influence on mechanical properties of materials such ay strength and fracture toughness.
内应力的分布，对材料宏观力学性能如强度和断裂韧性，都将产生较大的影响。
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