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中文摘要：
采用超重力场燃烧合成技术,通过液态陶瓷与1Cr18Ni9Ti之间的熔化连接,在1Cr18Ni9Ti基底上制备出具有成分扩散特征的TiC-TiB2陶瓷涂层。XRD、FESEM及EDS分析表明陶瓷涂层由大量细小的TiB2片晶、TiC不规则晶体及少量的Cr基合金相构成,并且陶瓷涂层相对密度、显微硬度及断裂韧性分别达到98.2%、24.6GPa与(14.5±3.5)MPa·m0.5。在1Cr18Ni9Ti基底与陶瓷涂层之间因出现Ti、Cr与C原子向不锈钢基底的单程扩散,使得陶瓷与不锈钢之间存在着富(Fe,Ti)合金碳化物颗粒呈梯度分布的中间过渡层,同时受超重力所限,中间过渡层存在粗大的氧化物夹杂与氧化物夹杂层,致使陶瓷涂层与不锈钢之间的剪切强度仅达到(125±35)MPa。
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