A novel tribometer for the measurement of friction torque in microball bearings
A novel tribometer for the measurement of friction torque in microball bearings
复制标题
一种用于测量微型球轴承摩擦扭矩的新型摩擦计
DOI:
10.1016/j.triboint.2017.04.053
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发表时间:
2017-10
影响因子:
6.2
通讯作者:
Song Xintao
中科院分区:
文献类型:
--
作者:
Yang Weixu;Wang Xiaoli;Li Hanqing;Song Xintao
A novel tribometer for the measurement of friction torque in silicon-based microball bearings is demonstrated. First, a new configuration of microball bearing is proposed based on the contact mechanics analysis. The bearing is fabricated using halo etch and intermediate layer bond processing methods and the friction torque test platform is then developed. It is found that the microscale rolling friction torque between microball and raceway exhibits a sublinear relationship with load, which is different from the case of macroscale rolling, and the Si3N4ball bearings generate larger friction torque than 440C ball bearings under the same load.
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