Molten salt synthesis of in-situ TiC coating on graphite flakes
Source abstract
Abstract
Abstract TiC coating was synthesized on graphite flakes (Gf) by molten salt synthesis (MSS) using metal Ti powder and alkali salts. Three different alkali chloride salts of KCl, NaCl, and NH4Cl were selected as the molten salt media substrate. Two mass ratios of 1:3 and 1:5 were chosen for Ti: Gf ratio, and the mass ratio of the powder (Ti + Gf) to the salt was 1:1. The synthesis was carried out at a temperature of 1100°Ϲ for 4 h. XRD was used to study the effect of alkali chloride salts and the Ti: Gf mass ratio on the synthesized coating. FE-SEM and AFM were accomplished to investigate the carbide formation and microstructure of the samples. Results showed that TiC coating was formed at 1100 °C for 4 h with both mass ratios in all three alkali chloride salts, but KCl was found to be the optimum alkali chloride salt or reaction medium. FE-SEM results displayed the formation of uniform coatings, and results from AFM indicated that the surface roughness increased from 0.72 for Gf to 4.94 nm for TiC coated Gf.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Advanced materials and composites · Advanced ceramic materials synthesis
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