Tribological properties of onion like fullerenes and NiFe

2021, Volume 15, Issue 1

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Frontiers in Energy >> 2021, Volume 15, Issue 1 doi: 10.1007/s11708-017-0454-x

Tribological properties of onion like fullerenes and NiFe

. Beijing Engineering Research Centre of Sustainable Energy and Buildings, Beijing University of Civil Engineering and Architecture, Beijing 100044, China.. Beijing Institute of Architectural Design, Beijing 100045, China

Accepted: 2017-02-28 Available online: 2017-02-28

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Abstract

A novel way for a compressor to improve its coefficient of performance and enhance its reliability by employing nano-refrigeration lubricant oil was proposed. Onion like fullerenes (OLFs) and NiFe O nano-composites, modified by Span 80, were dispersed in refrigeration oil KFR22 by solid grinding (SG). Morphologies of NiFe O nano-composites were characterized by using transmission electron microscope (TEM). The tribological properties as a refrigeration lubricants additive were investigated using SRV (II), a multi-functional reciprocating friction and wear tester. The results showed that the friction coefficient was decreased from 0.15 to 0.04.

Keywords

refrigeration lubricants ; friction coefficient ; nano-composites ; reciprocating motion ; onion like fullerenes

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