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提出一种表征脱碳层软化的新方法，该方法借助Ｘ射线应力分析技术测量屈服强度在脱碳层深度方向上的分布．对弹簧钢６０Ｓｉ２Ｍｎ的脱碳层的屈服强度、Ｘ射线衍射线半高宽和显微硬度的层深分布作了对比和分析，在此基础上指出利用新方法进行软化表征有助于更深入阐明脱碳影响疲劳强度的机制，并有望建立某些定量关系．
A new method to characterize the softening of the decarburized layer is proposed. The method measures the distribution of the yield strength in the depth direction of the decarburized layer by X-ray stress analysis. The yield strength of the decarburized layer of 60Si2Mn spring steel, the full width at half maximum of the X-ray diffraction line and the distribution of the micro-hardness are compared and analyzed. Based on this, it is pointed out that softening characterization by the new method is helpful for further elucidation Decarburization affects the mechanism of fatigue strength and is expected to establish some quantitative relationships.