多晶金刚石

  • 网络Polycrystalline Diamond;PCD
多晶金刚石多晶金刚石
  1. 实验研究了人造多晶金刚石刀具进行镜面加工的可能性及其镜面反射率的规律。

    This Paper deals with the experimental research about the possibility of the mirror surface turning with PCD tools and the law of reflectance on the mirror surface .

  2. 而且通过调节工艺参数,可制备出沿不同晶向择优生长的多晶金刚石薄膜。

    Moreover , by adjusting the technological parameters , polycrystalline diamond films grown preferentially along the different crystal orientations can be prepared .

  3. 超高压下生长多晶金刚石中触媒金属Ni的扩散及分布

    The diffusion and distribution of catalyst metal nickel in polycrystal diamond grown under ultra high pressure

  4. PECVD多晶金刚石平面薄膜场发射特性

    Emission Characteristics of Polycrystalline Diamond Films Fabricated by PECVD

  5. 以nSi为衬底,用PECVD方法淀积了多晶金刚石薄膜。

    Polycrystalline diamond films were fabricated on n-Si substrates by PECVD .

  6. 利用X射线微区衍射,X射线光电子谱(XPS)及激光拉曼光谱等分析,对高温高压下以金刚石微粉为原料的多晶金刚石烧结过程中,金刚石晶粒表面石墨化现象进行了考察。

    The surface graphitization of diamond grains , which is induced in the process sintering polycrystalline diamond under high pressure , is studied . The results of analysis by micro-area X-ray diffraction , XPS and laser Raman spectrum etc.

  7. 研究用热灯丝化学气相沉积(HFCVD)法在M0衬底上生长多晶金刚石膜。

    In this paper , the growth of polycrystalline diamond films on M 0 substrate by HFCVD was studied .

  8. 在普通精密机床上用人造多晶金刚石(PCD)刀具加工出镜面,具有重要的实用价值和经济意义。

    In present work , mirror turning is carried out using man-made diamond cutting tool ( PCD ) and ordinary precision lathe , showing important practical value and economical benefit .

  9. 本论文采用微波等离子体化学气相沉积技术,以三甲基硼为硼源,通过控制B/C比例,在Si(100)基片上沉积了不同硼掺杂量的纳米晶和多晶金刚石薄膜。

    In this paper , boron-doped nanocrystalline and polycrystalline diamond films with different boron contents were prepared on Si ( 100 ) substrates through controlling B / C ratio in the gas by microwave plasma chemical vapor deposition using trimethyl boron as a boron source .

  10. 然后以超导多晶金刚石薄膜为例,对超导转变温度与掺杂硼浓度的关系给出重点分析,探讨了MPCVD重掺硼金刚石薄膜的超导转变温度高于高压合成的重掺硼金刚石的原因。

    Secondly , By tak-ing superconducting polycrystalline diamond films as an example , we analysed the relationship between the superconducting transition temperature and boron concentration and discussed why the superconducting transition temperature of MPCVD superconducting diamond films is higher than that of High-pressure high-temperature ( HPHT ) synthesized diamond .

  11. 硼掺杂多晶金刚石薄膜电极的电化学特性

    Electrochemical Characteristic of Boron - doped Polycrystalline Diamond Thin Film Electrodes

  12. 人造多晶金刚石刀具加工表面微观纹理的实验研究

    Experimental Research for Surface Micro Texture Manufactured with PCD Tool

  13. 烧结中的多晶金刚石表面石墨化

    The Graphitization of diamond Surfaces of Polycrystalline Diamond during Sintering

  14. 它的表层为金刚石粉末烧结而成的多晶金刚石,具有极高硬度、耐磨性和工作寿命;

    It has extremely high hardness , abrasion resistance and serving life .

  15. 多晶金刚石复合钻头铁基金属包膜界面的精细结构与金刚石单晶生长

    Fine Structure of Fe-Based Metal Film Interface and Diamond Single Crystal Growth

  16. 掺硼多晶金刚石膜的电化学性能研究

    Electrochemical Properties of Boron - doped Polycrystalline Diamond Films

  17. 用人造多晶金刚石铣刀加工铝硅合金时铣削力的研究

    Study on Milling Forces When Machining Aluminum Silicon with Artificial Polycrystalline Diamond Milling Cutters

  18. 多晶金刚石复合钻头平衡-钻中心孔机床

    Polycrystalline diamond compound bit balancing centering machine

  19. 人造多晶金刚石刀具的优越性及其加工镜面的反射率

    Advantage of Synthetic Polycrystalline Diamond ( PCD ) Tools and Reflectance of Mirror Turning with PCD

  20. 多晶金刚石复合材料的某些质量问题

    Some quality problems of PDC

  21. 本文综述了高掺杂硼复合多晶金刚石薄膜电极在电化学中的几个重要应用,包括电分析、电合成及电化学法处理废水等。

    Several important applications of BDD electrode in electroanalysis , electrosynthesis and electrochemical wastewater treatment are summarized .

  22. 高压下金刚石烧结体系中的界面结合问题和新型多晶金刚石的研究

    Investigations on the problem of interface binding in the sintering system of diamond at high pressure and a new type polycrystalline diamond

  23. 对高导热人造多晶金刚石、电镀人造金刚石及天然金刚石的二次电子发射特性进行了研究。

    An investigation of secondary electron emission properties of electrically conductive as well as highly thermally conductive sintered diamond , electroplated synthetic diamond and natural diamond is described briefly .

  24. 选用扫描电镜、显微激光拉曼、反射电子衍射对多晶金刚石膜及单晶金刚石膜的性能进行了测试。

    The crystallinity of polycrystalline diamond films and epitaxial diamond films were examined by scanning electron microscopy ( SEM ), micro laser Raman spectroscopy and reflection electron diffraction ( RED ) .

  25. 高温氧化将导致金刚石膜的力学、光学和热学性能的下降,多晶金刚石膜晶界的优先氧化损伤是造成其综合性能下降的主要原因。

    Oxidation leads to the degradation of mechanical , thermal and optical properties of diamond films at elevated temperatures , that is resulted mainly from the damage of the grain boundaries due the preferential etching .

  26. 经X光衍射、激光拉曼光谱和扫描电镜分析证明,合成膜呈多晶金刚石结构。膜的结构及生长特征与工艺条件有密切的关系。

    The results of X-ray diffraction , Raman spectrum and SEM analyses show that the films present polycrystalline diamond structure , the process of the films growth is stable and the repeatability of results is excellent .

  27. 随着硼含量增加,纳米金刚石薄膜的晶粒聚集形成大小不均的球形团簇,多晶金刚石薄膜晶粒细化、晶形变差以及缺陷增加。

    The increasing of B / C ratio resulted in the formation of ball-like clusters with inhomogeneous size of nanocrystalline diamond film grains , and the reduction of grain size and the increase of crystal defects of polycrystalline diamond films .

  28. 电火花加工人造金刚石多晶和金刚石&硬质合金复合材料用人造与天然石墨合成细颗粒金刚石

    Processing Synthetic Polycrystal Diamond and Diamond-Hard Alloys Composites with Electric Spark Investigation of Synthetic Powder Diamonds Produced by Artificial and Natural Graphites

  29. MPCVD法制备多晶和单晶金刚石及性质研究

    Preparation and Properties of Polycrystalline and Single-crystal Diamond by MPCVD

  30. 多晶烧结过程中金刚石表面石墨化研究

    On the Graphitization of Diamond Surfaces during the Sintering of polycrystalline Diamond s