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Ti3SiC2是一种具有优良性能的可加工陶瓷材料.通过与第二相的复合,Ti3SiC2复合材料克服了单一材料的某些缺点,扩大了Ti3SiC2的应用领域.颗粒弥散增强Ti3SiC2复合材料,相对于Ti3SiC2单相材料,具有更高的硬度、耐磨性和强度,但是损失了部分可加工性与韧性.Ti3SiC2作为超硬复合材料的结合剂,克服了金属结合剂与陶瓷结合剂的缺点,而保留了各自的优点.这种超硬复合材料相对于传统超硬复合材料,具有独特的优势.Ti3SiC2/金属复合材料的硬度通常明显高于Ti3SiC2单相材料,可以在不明显降低金属导电性、导热性的基础上,提高金属材料的耐磨性.Ti3SiC2作为弱层与Al2O3形成的层状复合材料,可以有效抑制微裂纹扩展,从而获得具有极高韧性的层状陶瓷复合材料.

参考文献

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