A methodology for modelling the effects of nitriding on fatigue life

T R Hyde; S B Leen; I R McColl

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A methodology for modelling the effects of nitriding on fatigue life

机译：模拟氮化对疲劳寿命影响的方法

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A methodology is presented for modelling the effects of nitriding for fatigue life prediction. The method is illustrated by application to tooth bending fatigue failure in notch conditions representative of the fillet regions in spline teeth. The methodology first involves the prediction of nitrided layer stress distributions which take account of the graduation in material stress-strain curve through the nitrided layer and the effects of residual stresses. Second, the life prediction aspect requires that the effects of the graded material properties and residual stresses on mean stress levels and thus on fatigue constants be accounted for. Comparisons between predicted and experimentally-determined lives show that the methodology significantly improves the predictions for nitrided specimens.

机译：提出了一种方法，用于对渗氮效果进行建模以预测疲劳寿命。通过在代表花键齿的圆角区域的缺口条件下应用于牙齿弯曲疲劳破坏来说明该方法。该方法首先涉及对氮化层应力分布的预测，该预测考虑了穿过氮化层的材料应力-应变曲线中的分度以及残余应力的影响。其次，寿命预测方面要求考虑梯度材料性能和残余应力对平均应力水平的影响，从而对疲劳常数的影响。预测寿命与实验确定寿命之间的比较表明，该方法显着改善了渗氮样品的预测。

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《Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application》 |2008年第l1期|p.1-14|共14页
作者
T R Hyde; S B Leen; I R McColl;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类一般性问题;
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1. A methodology for modelling the effects of nitriding on fatigue life [J] . T R Hyde, S B Leen, I R McColl Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications . 2008,第1期

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A methodology for modelling the effects of nitriding on fatigue life

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