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The effect of rare earth (RE) surface treatment of carbon fibers (CF) on bending strength and tribological properties of CF reinforced polytetrafluoroethylene (PTFE) composites was investigated. Experimental results revealed that the bending strength of CF reinforced PTFE (CF/PTFE) composite was largely improved by RE treatment. Compared with the untreated and air-oxidized CF/PTFE composite, the RE...
An investigation of the effect of rare earth elements (RE) on erosion resistance of nitrided 40Cr steel is carried out using an erosion test rig in a water-based slurry with quartz particles. Results indicate that a significant improvement occurs in erosion resistance of nitrided 40Cr steel by introducing RE in nitriding processes comparing conventional nitriding processes. Measurement of physical...
Polytetrafluoroethylene (PTFE) composites were developed by filling with 60wt.% Pb and 5wt.% glass fiber (GF). The GF was modified with an alcoholic solution (SGS) of N-β-aminoethyl-γ-aminopropyltrimethoxysilane coupling agent (SG-Si900), an alcoholic solution (SGS/RES) of SG-Si900 and rare earths, and an alcoholic solution (RES) of rare earths, respectively. The friction and wear properties of these...
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