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对加锌的空冷贝氏体钢与同成分的无锌钢进行了冲击和拉伸对比试验，精细测定了各性能指标因加锌引起的变化．结果表明，加锌对空冷贝氏体钢有显著的韧化与强化效应
The impact and tensile comparison experiments of air-cooled bainite steel with zinc and zinc-free steel with the same composition were carried out, and the changes of each performance index due to the addition of zinc were measured. The results show that the addition of zinc on the air-cooled bainitic steel significantly toughening and strengthening effect