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本文叙述了链条钢和弹簧钢的冲击韧性和断裂韧性与试验温度的关系;断裂韧性与冲击韧性之间的关系;比较了断裂韧性的计算值和测量值。
This paper describes the relationship between the impact toughness and fracture toughness of chain steel and spring steel and test temperature, the relationship between fracture toughness and impact toughness, and the calculated and measured fracture toughness.