摘要
陶瓷基复合材料具有优良的力学性能以及突出的耐高温、轻质等特性,在航空航天等领域具有广阔的应用前景。但由于高硬脆性特点,陶瓷基复合材料加工难度较大。诸多研究表明,超声辅助加工技术是一种相对合适的加工方法,与普通机械加工相比可有效降低切削力、改善加工质量等。对发展较为成熟的Cf/Si C、Si Cf/Si C两种陶瓷基复合材料的超声辅助钻削/磨削加工技术研究进展进行了介绍,分析了其中存在的问题,并提出了相应的对策。
Ceramic matrix composites have great potential in space applications due to excellent properties such as superior mechanical property, high temperature resistance and low density. However, these composites are difficult to be processed for its high hardness and brittleness. Many studies show that ultrasonic assisted machining is suitable for processing ceramic matrix composites. Compared to conventional machining technologies, ultrasonic assisted machining can reduce cutting forces, improve machined surface quality and so on. Ultrasonic assisted drilling and ultrasonic assisted grinding of the two kinds of ceramic matrix composites（Cf/Si C and Si Cf/Si C） that developed well are introduced. In addition, some problems among ultrasonic assisted machining of these composites are analyzed and some countermeasures are also suggested.
出处
《航空制造技术》
2016年第15期42-49,56,共9页
Aeronautical Manufacturing Technology
基金
江苏省高校自然科学研究面上项目(15KJB460010
14KJB460011)
关键词
陶瓷基复合材料
超声辅助钻削
超声辅助磨削
加工质量评价体系
参数匹配性
Ceramic matrix composite
Ultrasonic assisted drilling
Ultrasonic assisted grinding
Process quality evaluation system
Parameter matching performance
