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Highly improved oxidation resistance of TiC-SKD11 composite by SiC/TiB_2 based hybrid coating

机译:SiC / TiB_2基混合涂层大大提高了TiC-SKD11复合材料的抗氧化性

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Oxidation resistance of TiC-SKD11 composite has been improved through SiC/TiB2 based hybrid coating by a simple air spray process and subsequent transition to dense and stable phases in oxidation environment. As a result of the oxidation test at 700 degrees C for up to 50 h, the coated TiC-SKD11 composite exhibited excellent oxidation resistance characteristics compared with the uncoated TiC-SKD11 composite, and also compared to SUS431 and 17-4PH. The formation of a thermally stable, volume-expanded SiO2 and TiO2 coating layer with the aid of B2O3 by phase transition of TiB2/SiC based hybrid coating under oxidation atmosphere is the origin of the improved anti-oxidation ability of the TiC-SKD11 composite. (C) 2018 Elsevier B.V. All rights reserved.
机译:通过基于SiC / TiB2的混合涂层,通过简单的空气喷涂工艺以及随后在氧化环境中过渡为致密稳定相的方法,提高了TiC-SKD11复合材料的抗氧化性。作为在700摄氏度下长达50小时的氧化测试的结果,与未涂覆的TiC-SKD11复合材料以及与SUS431和17-4PH相比,涂覆的TiC-SKD11复合材料表现出优异的抗氧化性能。 TiB2 / SiC杂化涂层在氧化气氛下借助B2O3相变形成热稳定的,体积膨胀的SiO2和TiO2涂层是提高TiC-SKD11复合材料抗氧化能力的原因。 (C)2018 Elsevier B.V.保留所有权利。

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