金属基复合材料原位反应合成技术现状与展望

Present Statue and Future of the In-situ Reaction Synthesis Technology for Metal Matrix Composites Fabricated

在现有的金属基复合材料制备技术中 ,原位反应合成技术具有显著的技术优势和经济优势 ,它已成为当今复合材料领域中最活跃的研究方向。原位反应合成技术主要有 :放热弥散法、气液反应合成法、自蔓延燃烧反应法、直接氧化法、无压力浸润法、反应喷射沉积法、接触反应法、机械合金化法等。文中综合评述了各种原位反应合成工艺方法的原理、特点和应用前景。利用原位反应合成法制备金属基复合材料 ,在同等条件下 ,其力学性能一般都高于强制法制备的复合材料。并且原位反应合成技术的原料来源广泛、价格较低 ,工艺又相对简单、制作成本低 ,适合并能够大规模工业化生产 。

Among the methods of fabrication of ceramic particles reinforced Metal Matrix Composites, the in-situ reaction synthesis technology has obvious technical and economical advantages over other traditional methods. The in-situ reactive technology has become the leading direction in composites research area in the past decade. The main in-situ reaction synthesis methods include XD, VLS, SHS, DIMOX, PRIMEX, RSD, CR, MA, etc. The principles, properties and prospective application of the main in-situ reaction synthesis methods are reviewed. The Metal Matrix Composites, prepared by in-situ reaction composite technology, can normally achieve higher mechanical properties than other traditionally prepared composites under the same condition. The in-situ reaction synthesis technology, with its wide raw material resources, low price, relatively simple processes, low cost preparation and application feasibility in large-scale industry process, is of great future.