【摘要】 文章综述了TiC/TiN/Al2O3复合陶瓷的研究进展,介绍了复合陶瓷的制备工艺、组织与性能,探讨了材料成分对组织和力学性能的影响,总结了复合陶瓷的增韧机制及在刀具上的应用情况,指出纳米复合陶瓷是进一步改善强韧性的主要发展方向,为氧化铝陶瓷的广泛应用丰富了科学内涵。更多还原

【Abstract】 The development of TiC/TiN/Al2O3 composite ceramics is reviewed. The manufacturing process, microstructure and properties are introduced. The effect of chemical composition on the microstructure and the mechanical properties is discussed. The toughening mechanisms of composite ceramics and the application of composite ceramics on cutters are summarized.Nano-ceramics is one of the main developing trends in further improving the strength and toughness of cutters, and it will enlarge the application of Al2O₃-based ceramics significantly.更多还原