简要叙述了几种主要的Ti-Al系金属间化合物Ti3Al、TiAl和Al3Ti的发展状况、性能优缺点以及应用.综述了几种增韧金属间化合物的纤维,对比其他纤维的性能发现连续的SiC纤维具有良好的应用前景.概括了两种连续SiC纤维的不同制备方法,即先驱体转化法和物理气相沉积法,两种不同方法分别得到了束丝SiC纤维和单丝SiC(W或C芯)纤维,并对两种纤维的性能进行了概括.对连续SiC纤维增强Ti-Al系金属间化合物基复合材料的制备方法进行了分析,综述了SiC纤维增强Ti-Al系金属间化合物基复合材料制备过程中纤维与基体的界面反应以及界面性能的改善方法;提出了连续SiC纤维增强Ti-Al系金属间化合物基复合材料发展的方向.
In this paper,the development,the advantages and disadvantages of performance and application of several main Ti-Al intermetallic compounds,including Ti3Al,TiAl and Al3Ti,are briefly described.Several fiber reinforcements are summarized,and compared with other fibers,the performance of continuous SiC fiber makes it have good application prospect.Preparation methods of two kinds of continuous SiC fibers are summarized,containing precursor conversion method and physical vapor deposition method.The properties of bundle SiC fiber and monofilament wire SiC (W or C core) fiber are reviewed.Preparation methods of SiC fiber reinforced Ti-Al intermetallic matrix composites are also summarized.This paper also deals with the interfacial reaction between the fiber and the matrix of SiC fiber reinforced Ti-Al intermetallic matrix composites and modification processing of the interface property.The direction of the development of continues SiC fiber reinforced Ti-Al intermetallic matrix composites is also pointed out in this review.
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