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首页> 外文会议>STP 1465; Symposium on Bearing Steel Technology-Advances and State of the Art in Bearing Steel Quality Assurance; 20050517-19; Reno,NV(US) >Rapid Evaluation of Inclusions in Bearing Steel
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Rapid Evaluation of Inclusions in Bearing Steel

机译：快速评估轴承钢中的夹杂物

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摘要

The rolling contact fatigue (rcf) life of bearing steel is closely related to the steel cleanliness. To assess steel cleanliness, traditional methods such as optical image analysis and Statistics of Extreme Value are often used. The results obtained using these traditional methods of assessing steel cleanliness correlate well with the rcf life. More recently, pulse height distribution analysis (PDA) has been developed to determine steel cleanliness. Despite some issues surrounding the PDA method for assessing steel cleanliness, PDA is still considered to be superior to traditional methods for the quick assessment of nonmetallic inclusion in steels. A comparison has been made between the steel cleanliness results obtained by traditional optical image analysis and PDA to determine if the results of PDA can be used as a meaningful indicator of the rcf life of bearing steels. The comparison showed that the size of inclusions obtained by PDA agreed reasonably with the size of inclusion obtained using optical image analysis. Consequently, it should be possible to use the PDA results as an indicator of rcf life.
机译：轴承钢的滚动接触疲劳寿命（rcf）与钢的清洁度密切相关。为了评估钢的清洁度，通常使用传统方法，例如光学图像分析和极值统计。使用这些传统的评估钢清洁度的方法获得的结果与rcf寿命密切相关。最近，已开发出脉冲高度分布分析（PDA）以确定钢的清洁度。尽管用PDA方法评估钢的清洁度存在一些问题，但是PDA仍被认为优于用于快速评估钢中非金属夹杂物的传统方法。通过传统的光学图像分析和PDA获得的钢清洁度结果之间进行了比较，以确定PDA的结果是否可以用作轴承钢的rcf寿命的有意义的指标。比较表明，通过PDA获得的夹杂物​​尺寸与通过光学图像分析获得的夹杂物​​尺寸合理地一致。因此，应该有可能将PDA结果用作rcf寿命的指标。

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