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首页> 外文期刊>International Journal of Machine Tools & Manufacture: Design, research and application >Experimental study on abrasive waterjet polishing for hard-brittle materials
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Experimental study on abrasive waterjet polishing for hard-brittle materials

机译：硬质材料的磨料水射流抛光实验研究

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摘要

The rapid growth of hard-brittle materials necessitates the development of compatible machining techniques, especially for the precision machining. The abrasive waterjet (AWJ) machining is a powerful tool in processing hard-brittle materials. In the last decades, some of AWJ machining technologies, such as AWJ cutting, AWJ milling and AWJ drilling have gradually become mature and steady. However, a few investigations on precision surface machining for hard-brittle materials by AWJ had been carried out. In this research, the ductile erosion mechanism of hard-brittle materials by AWJ in small erosion angle has been analyzed. In theory, the ductile erosion can achieve micromaterial removal and the surface eroded is smooth and without any fracture. Based on the ductile erosion mechanism, the feasibility of polishing for hard-brittle materials by the AWJ has been investigated. A group of polishing experiments is performed. The polished surfaces of workpieces were observed with scanning electron microscope (SEM) and measured by atomic force microscopy (AFM). The results of these polishing experiments indicate that AWJ has a great potential to be used as a precision surface machining technology.
机译：硬质脆性材料的快速发展需要开发兼容的加工技术，尤其是精密加工。磨料水射流（AWJ）加工是处理脆性材料的有力工具。在过去的几十年中，一些AWJ加工技术，例如AWJ切割，AWJ铣削和AWJ钻孔已逐渐成熟和稳定。但是，已经进行了一些有关AWJ对硬脆性材料进行精密表面加工的研究。在这项研究中，分析了在小腐蚀角下AWJ对硬脆性材料的延性腐蚀机理。从理论上讲，韧性腐蚀可以去除微材料，并且被腐蚀的表面光滑，没有任何断裂。基于韧性腐蚀机理，研究了AWJ抛光硬脆性材料的可行性。进行了一组抛光实验。用扫描电子显微镜（SEM）观察工件的抛光表面，并用原子力显微镜（AFM）测量。这些抛光实验的结果表明，AWJ具有巨大的潜力，可以用作精密表面加工技术。

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