Development of sintered bearings with minimal friction losses and maximum life time using infiltrated liquid crystalline lubricants
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- 作者：Tobias Amanna ; ; Andreas Kailera ; Susanne Beyer-Faiß ; b ; Werner Stehrc ; Bjö ; rn Metzgerd
- 关键词：Sintered iron bearings ; Ultralow friction ; Computer tomography ; In-situ wear measurement
- 刊名：Tribology International
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：98
- 期：Complete
- 页码：282-291
- 全文大小：2518 K
文摘
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Enormous potential to improve the energy efficiency of sintered sliding bearing by the use of an adapted mesogenic fluid is demonstrated.
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A specific composition was identified to reduce the melting point of the mesogenic fluid.
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A 5-times lower coefficient of friction is achieved in an application oriented radial bearing test by using a mesogenic fluid in contrast to reference oil.
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Chemical interaction of the mesogenic fluid and the material strongly influence the tribological behavior due the tribochemical formation of a metal-chelate complex.
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The addition of 2% alumina to 100Cr6 steel clearly improves the tribological properties and therefore a new promising material composition was identified.