نتایج جستجو برای: cup diamond wheel

تعداد نتایج: 47118  

Journal: :Journal of the Japan Society for Precision Engineering 1991

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان 1389

اخیراً در آزمایشات مختلفی، ساختاری بلوری از عنصر کربن مشاهده شده که با دیگر ساختارهای کربنی، یعنی الماس، گرافیت و فولرین بسیار متفاوت است. این فاز کربنی n-diamond نامیده می شود. اگرچه بسیاری از بازتاب ها در الگوی پراش x آن، مشابه بازتاب ها در الماس است، اما پراش الکترونی این فاز، همچنین شامل بازتاب هایی قوی در (200)، (222) و (420) است که برای الماس ممنوع می باشد. در مورد نوع ساختار بلوری آن اتفا...

Journal: :Machines 2022

The grinding of superhard materials poses an important challenge to manufacturing industry, due the increased wear and high possibility fracture both wheel workpiece material. Various strategies have been proposed for effective these materials, but further research is still required, especially in cases which hardness are almost equal. In this study, role bond a diamond during processing such a...

Journal: :Journal of the Japan Society for Precision Engineering 1988

Journal: :International Journal of Materials Science and Applications 2016

Journal: :Surfaces 2022

Diamond offers great potential for use as a thermal spreader in various applications, including power electronics and radio-frequency (RF) applications. However, to be used an efficient spreader, the atomically smooth surface of diamond is critical bonded with chips. Herein, polishing technique 2-inch diameter wafer-scale bulk polycrystalline substrate proposed. In this work, 350 μm thick grown...

Journal: :Materials research express 2023

Abstract Conventional machining of super alloy Monel 400 is difficult due to its high strength, low heat conductivity, and gummy nature. In this work, the performance electrical discharge diamond face grinding (EDDFG) while processing supper assessed using abrasive diamond-coated wheels three different grit numbers. Preliminary experiments highlighted superior EDDFG as compared that (EDM) (EDFG...

Journal: :Journal of physics 2023

Abstract As one of the important functional components in optical diagnosis system, processing accuracy monocrystalline silicon cylindrical mirror directly affects overall performance entire experimental device. In order to obtain high-precision elements, coordinate transfer function models diamond wheel surface parallel grinding process were established, and forming scheme was proposed based o...

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