TECHNICAL DEVELOPMENT AND PERFORMANCE EVALUATION OF MOLYBDENUM DISULFIDE GREASE FOR LOW AND HIGH TEMPERATURE CONDITIONS

PETROLEUM PROCESSING AND PETROCHEMICALS ›› 2022, Vol. 53 ›› Issue (12): 65-69.

TECHNICAL DEVELOPMENT AND PERFORMANCE EVALUATION OF MOLYBDENUM DISULFIDE GREASE FOR LOW AND HIGH TEMPERATURE CONDITIONS

Received:2022-04-13 Revised:2022-08-08 Online:2022-12-12 Published:2022-12-06

Abstract

Abstract: The development status of US standard MIL-G-21164D（grease，molybdenum disulfide，for high and low temperature）and foreign-related grease products and technology,domestic standards and product were introduced. The comprehensive physical and chemical performance of lubricating grease B developed by SINOPEC Research Institute of Petroleum Processing Co., Ltd. can meet the requirements of MIL-G-21164D specification.With high structural strength and viscosity,grease B has more suitable thixotropic behavior unde high temperature conditions. Pressure differential scanning calorimetry(PDSC) shows that its oxidation induction period is longer,and the high temperature oxdation thermal stability is better.

Key words: lubricating grease, aviation, MoS₂, rheology, differential scanning calorimetry

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TECHNICAL DEVELOPMENT AND PERFORMANCE EVALUATION OF MOLYBDENUM DISULFIDE GREASE FOR LOW AND HIGH TEMPERATURE CONDITIONS

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