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本文给出了几种钢经回火后的硬度(H)关于回火温度(T)和回火时间(t)的精度高、计算简捷的数学模型。在予测回火后硬度和制定回火工艺时有实用价值。
In this paper, the hardness of several kinds of steel after tempering (H) is given. The mathematical model of high precision and simple calculation of tempering temperature (T) and tempering time (t) is given. After the test tempering hardness and the development of tempering process has practical value.