摘要
磨削加工是S i3N4陶瓷最主要的加工方法。利用磨削液界面化学反应膜降低摩擦系数同时软化表面层,提高磨削效率是一个全新的研究方向。本文基于用半塑性去除的方式高效磨削S i3N4陶瓷,系统综述了在使用以醇类磨削液为代表的各种有机磨削液时,界面化学反应对提高S i3N4陶瓷材料去除率的辅助作用。文中以研究作用机理为目的,运用分类、比较和归纳的方法,结合使用先进的测试设备,分析了醇类磨削液配方中长、短碳链醇及其水溶液作磨削液的作用效果。此外,还从不同的角度探讨了全卤代烃、阳离子表面活性剂和四乙氧基硅烷等3类有机物作为磨削液成分的有效作用,并揭示了作用机理,从而为研制高效率、低成本加工陶瓷材料的磨削液提供了理论基础。
Grinding is a very important machining method for Si3 N4 ceramics. Utilizing interfacial chemical reaction membrane between grinding fluid and Si3N4 ceramics can reduce friction coefficients, soften surface layers and improve grinding efficiency. This article, based on high efficiency grinding of Si3N4 ceramics through half plasticity removal, systematically presented the assistant function of interracial chemical reaction for increasing the removal rate of Si3N4 ceramics when various organic grinding fluids represented by alcohols are applied. For the purpose of action mechanism research, this article uses classification, comparison, induction and advanced test equipment to explore the effects of long and short carbochain alcohol and its water solutions used as grinding fluid. In addition, from various angles, it also discusses the effective performance of three groups of organic matters such as perhalogeno hydrocarbon, cationic surfactant and tetra ethoxysilane used as grinding fluid components, which reveals their action mechanisms and provides a theoretical basis for the development of grinding fluid that machines ceramic materials with high efficiency but at low cost.
出处
《机械科学与技术》
CSCD
北大核心
2006年第8期949-952,983,共5页
Mechanical Science and Technology for Aerospace Engineering
基金
国家自然科学基金重点项目(50375158)资助
