Ti₃SiC₂ – A New High Temperature Solid Self-Lubricating Additive Agent

Abstract:

With the additive agent Ti₃SiC₂, the dry sliding behavior of Cr₃C₂-Ni and Cr₃C₂-Ni-Ti₃SiC₂ composites against GCr15 was investigated with a pin-on-disk tester at 400 °C in air under the load of 200N. Without Ti₃SiC₂, the dynamic coefficient of friction (COF) curves was fluctuated severely. After adding Ti₃SiC₂, the COF was decreased from 0.37 to 0.32, and the initial transition region of dynamic COF curve was shortened. These tribological test results showed that Ti₃SiC₂ was a new kind of solid additive agent with favorable high temperature self-lubricating property, and two possible mechanisms was proposed for its anti-friction ability.

• Periodical: Advanced Materials Research (Volume 815)
• Pages: 626-631
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.815.626
• Online since: October 2013
• Authors: Li Xin Li, Xue Quan Liu, Cun Guang Ding, Yi Li, Fa Chang Li, Jin Pu Li
• Keywords: High-Temperature, Solid Self-Lubricating, Ti₃SiC₂

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