Multiaxial life prediction of hydrodynamic plain bearings
Multiaxial life prediction of hydrodynamic plain bearings
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流体动压滑动轴承的多轴寿命预测
DOI:
10.1051/matecconf/201816516001
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Christoph Broeckmann
中科院分区:
文献类型:
--
作者:
Henrik Wünsch;Christopher Sous;Christoph Broeckmann
Journal bearings are installed in turbomachinery and in all kind of components related to drive technology. All of these applications expect a high degree of reliability. The functional interaction of shaft, lubricant and bearing shell result in a multiaxial stress state within the bearing lining. However, the life assessment of the bearing material exposed to these multiaxial loads is mostly neglected in the design process. The presented research work formulates a complete methodology for a long-term fatigue assessment, based upon the Quadratic Failure Hypothesis (QFH) This approach satisfies the invariant requirements of coordinate transformation, takes into account positive and negative stresses and is applicable to non-proportional multiaxial loads in 3-dimensional geometric configurations.
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