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采用无量钢参数，导出了匀强矩形激光光斑相变硬化处理钢铁材料时表面以下各部分材料所经历的最高温度与其距表面距离的关系曲线族。仅由此曲线族，即可根据要求的淬火层深度以及单位时间处理的表面积，计算确定激光热处理的参数。
The curve of the relationship between the highest temperature and the distance from the surface of the material underneath the surface is deduced by using the immeasurable steel parameters. Only by this family of curves, the laser heat treatment parameters can be calculated and calculated according to the required depth of the quenched layer and the surface area processed per unit time.