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Hard-brittle materials have been popularly used because of their excellent performances.

硬脆材料以其优良的性能在生产实践中得到了广泛应用,但其低塑性、易脆性及不导电性等使得加工十分困难,尤其是超精密表面制作更加困难。

With the development of science and technology, hard-brittle materials are widely used in comprehensive fields such as optical instrument, electronics, aeronautics and astronautics, instruments and civil industries.

随着硬脆材料在光学、电子、仪器仪表、航空航天和民用等行业的日益广泛应用,对工件的加工精度和表面质量的要求也越来越高。

Research on sawing forces during ultrasonic vibration cutting of hard and brittle materials with electroplated diamond wire saw;

硬脆材料的电镀金刚石线锯超声切割锯切力研究

The research status at home and abroad about the cutting mechanism, the cutting in plastic region of hard and brittle materials when being sawed and grinded are summarized.

对国内外有关硬脆材料锯磨去除机理及硬脆材料塑性域锯磨的研究现状进行综述 ,指出了该领域有待深入研究的问题。

The technology of ELID grinding was successfully applied to super-precision mirror surface grinding of such hard and brittle materials as hard metals, engineering caramics and optical glass.

介绍了ＥＬＩＤ磨削技术的基本原理，分析了ＥＬＩＤ技术磨削硬脆材料的加工机理，并应用该技术对硬质合金、工程陶瓷和光学玻璃等典型硬脆材料实现了超精密镜面加工。

The research actualities of the ductile machining for hard and brittle materials are reviewed.

对硬脆材料塑性加工技术的国内外研究现状进行了综合评述,分别介绍了硬脆材料塑性加工的理论研究和硬脆材料塑性加工的主要方式,分析了目前研究中尚待解决的问题,并在此基础上提出了今后特别是近期应该开展的研究工作。

The micro-Ultrasonic machining tests on different hard and brittle materials are carried out.

通过合理利用多种放电加工方法制作超声微细加工的多种微小工具头,以此为基础进行多种硬脆材料的超声微细加工基础试验,获得良好的试验效果。

The ultrasonic vibration cutting processing of electroplated diamond wire saw for hard and brittle materials was researched.

实验结果表明,该种加工方法与相同实验条件下的非施加超声振动相比,具有加工材料去除率高、表面质量好、破碎小等特点,为硬脆材料的切割提供一种新的有效加工方法。

Study on Erosion Mechanisms and Polishing Technology of Hard-Brittle Materials Machined with Precision Abrasive Waterjet;

精密磨料水射流加工硬脆材料冲蚀机理及抛光技术研究

It is widely used in machining hard-brittle materials.

固结磨料金刚石线锯具有切缝窄、锯切效率高、切片质量好、对环境污染小、能加工大直径工件和超硬材料等优点,在硬脆材料的加工方面得到了较为广泛的应用。

Supported by National Natural Science Fund, in this thesis, studies were carried out into grinding technology and morphology simulation studies of belt grinding of hard-brittle materials, aiming at providing a new, economic and efficient machining method for grinding hard-brittle materials.

硬脆材料(如瓷质砖、花岗石、大理石、工程陶瓷等)具有高强度、高硬脆等特点，广泛应用于精密加工、建筑、建材等行业，但在机械加工过程中，由于其低塑性、易硬脆破坏和产生微裂纹等特点，加工工艺性差、加工成本较高。

During the geothermal well drilling,to encounter of hard and brittle strata is very often,especially the Jurassic andesite and tuffs.

在地热井施工过程中,经常钻遇硬脆地层,特别是侏罗系安山岩、凝灰岩地层,钻进过程中产生严重跳钻现象,个别地层还产生H2S气侵,造成钻铤频繁断裂。