(1. 昆明理工大学 材料科学与工程学院，昆明 650093；
2. 中南大学 粉末冶金国家重点实验室，长沙 410083)
摘 要: 概述微波烧结技术制备硬质合金的发展现状。综述微波加热技术制备硬质合金的工艺特点、微波加热硬质合金压坯的机理、微波烧结硬质合金中存在的问题以及合金压坯在微波烧结过程中发生局部液相烧结机理。展望微波烧结技术在硬质合金制备中的应用前景。
关键字: 硬质合金；微波烧结；烧结机理；局部液相
（1. Faculty of Materials Science and Engineering, Kunming University of Science and Technology,
Kunming 650093, China;
2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China）
Abstract:The current situation of microwave sintering in cemented carbide preparation was briefly introduced. The process characteristics of microwave heating for the preparation of cemented carbide, mechanisms of microwave heating for cemented carbide composites, problems of microwave application in cemented carbide production and mechanisms of local liquid phase sintering during the microwave preparation were reviewed. The application potentials of microwave sintering for the preparation of cemented carbide were put forward.
Key words: cemented carbide; microwave sintering; sintering mechanism; local liquid phase
