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Influence of Al2O3 content on the oxidation resistance of Ti3SiC2/Al2O3 composites
Pages: 70-74
Year: Issue:  5
Journal: Ordnance Material Science and Engineering

Abstract: 以Ti、Si、炭黑为原料,通过引入Al2O3,采用热压法制备了Ti3SiC2/Al2O3复合材料.通过X-射线衍射仪、扫描电子显微镜和能谱分析研究了Ti3SiC2/Al2O3复合材料的氧化行为.结果表明:添加Al2O3的试样抗氧化性优于纯Ti3SiC2试样,这是因为在1 300℃之前,形成α-Al203、TiO2和SiO2的混合层,且α-Al2O3集中到氧化层表面呈连续分布,形成致密氧化层.而在1...
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