【摘要】 以自制无机胶粘剂、通过添加耐高温耐磨陶瓷骨料A12O3,WC,Si C混合后涂覆于A3钢表面制得陶瓷涂层,研究了调胶比(氧化铜与磷酸盐的配比)、骨胶比(胶粘剂与陶瓷骨料的配比)不同对金属基陶瓷涂层耐高温及抗热冲击性能的影响;并分析了金属基体与陶瓷涂层间的结合机理.结果表明:调胶比为0.5g/ml此涂层能承受1300℃以上的高温.骨胶比比为0.30:1(质量比)时,制备的陶瓷涂层抗热冲击性能最佳,能承受600~700℃的16次以上的热震试验.更多还原

【Abstract】 A layer of ceramic coating was prepared on the surface of A3 steel through blending the self-made inorganic adhesive and wear-or high temperature-resistant ceramic aggregate( A12O3,WC and Si C).The effect of glue ratio( the ratio of copper oxide and phosphate) and bone glue ratio( the ratio of adhesive and ceramic aggregate) on high temperature and thermal shock resistance performance of metal matrix ceramic coatings was studied. The bonding mechanism of metal matrix and ceramic coating was also studied. Results show that with glue ratio of 0. 5g / ml,the coating can withstand above 1300℃ high temperature,and with bone glue ratio for 0. 30: 1( mass ratio),the ceramic coatings has the best thermal shock resistance,which can withstand more than 10 times thermal shock test in 600℃-700℃.更多还原