polycrystalline diamond 中文意思是什麼

polycrystalline diamond 解釋
多晶金剛石
  • polycrystalline : 多結晶體
  • diamond : n 1 金剛鉆，金剛石，鉆石。2 菱形；菱飾；（紙牌的）方塊。3 【棒球】內野；棒球場。4 【印刷】鉆石體...
  1. Moreover, by adjusting the technological parameters, polycrystalline diamond films grown preferentially along the different crystal orientations can be prepared

    而且通過調節工藝參數，可制備出沿不同晶向擇優生長的多晶金剛石薄膜。
  2. Polycrystalline diamond films with preferred orientation by adopting assisted - bias hfcvd technique are prepared, and the mechanisms of the nucleation and growth of the films are studied. in addition, application of the film to the heat sink of power electron device is discussed

    採用輔助偏壓熱絲cvd技術，制備擇優生長的多晶金剛石薄膜，研究了金剛石薄膜的成核及生長機理，並將其應用於功率電子器件的熱沉。
  3. Abnormal grain growth and its countermeasure in sintering of fine grained polycrystalline diamond compacts

    細粒度金剛石燒結體中異常粒成長及其對策
  4. V. improve the material of substrate to improve its adaptability to polycrystalline diamond

    改進硬質合金基體的材料，使其與聚晶層的硬度和熱膨脹系數具有更好的適配性。
  5. Polycrystalline diamond compact bit ( pdc bit ) is one of facilities in the drilling of petroleum and natural gas, and its capability, especially the rationality of the placing of cutting is very important to the speed and cost of drilling

    Pdc鉆頭是油氣鉆井的重要工具，該鉆頭對地層的敏感性強，結構變化多、設計靈活，其性能（尤其是切削齒的布置合理性）對鉆井速度和成本影響很大。
  6. But polycrystalline cvd diamond films have rough and non - uniform thickness which can adversely affect their application. furthermore, it is difficulty to machining the cvd diamond thick - film

    但是， cvd金剛石膜為多晶材料，表面為雜亂分佈的晶粒的堆積，顯露出明顯的稜角，表面粗糙度大，后續加工比較困難。
  7. Polycrystalline diamond compact non - core bit

    金剛石復合片不取心鉆頭
  8. Polycrystalline diamond compact core bit

    金剛石復合片取心鉆頭
  9. Polycrystalline diamond compact ( pdc ) has been widely used in earth drilling, cutting of various materials such as non - ferrous metal and their alloy, hard metal alloy, graphite, plastics, rubber, ceramics. it ' s faced with polycrystalline diamond sintered from diamond powder

    聚晶金剛石復合片（ polycrystallinediamondcompact ）已廣泛應用於地質鉆探、非鐵金屬及合金、硬質合金、石墨、塑料、橡膠、陶瓷、木材等材料的切削加工等用途中。
  10. It has extremely high hardness, abrasion resistance and serving life. it ' s usually supported by tungsten carbide that has good toughness. the substrate provides good support for polycrystalline diamond and can be easily brazed to various tools

    它的表層為金剛石粉末燒結而成的多晶金剛石，具有極高硬度、耐磨性和工作壽命；底層一般為鎢鈷類硬質合金，它具有較好的韌性，為表層聚晶金剛石提供良好的支撐，且容易通過釬焊焊接到各種工具上。
  11. Grey relationship analysis of the thermal stability of polycrystalline diamond compacts

    復合片熱穩定性的灰色關聯分析
  12. Selective growth of polycrystalline diamond film by selectively seeding with nanocrystalline diamond powder

    在不同襯底上用納米引晶法選擇性生長金剛石薄膜
  13. Polycrystalline diamond inserts, tipped - dimensions, types

    多晶金剛石鑲刃插件.尺寸類型
  14. Polycrystalline diamond inserts, tipped - dimensions, types iso 16463 : 2004

    鑲片多晶體金剛石鑲齒.尺寸類型
  15. Polycrystalline diamond films were deposited on n - type si substrates. in order to achieve a better distribution of the implanted element, boron ions were implanted by two steps. the i - v curves were studied, the p - n junction effect is very evident

    在n型引襯底上沉積一層連續的金剛石膜，通過二次離子注入的方法使b離子比較均勻的分佈在金剛石膜中，通過測量i - v曲線，可以明顯的看出p - n結效應的存在。
  16. B - doped diamonds were obtained under the condition of 1250 ~ 1350 and 5gpa ~ 6gpa. color of diamond became deep with boron contents increasing, till becoming black. b - doped diamond was polycrystalline, and crystal surface was developed incompletely

    利用這些gics ，在1250 1350 、 5 6gpa下合成了含硼金剛石，金剛石顏色隨著硼含量增加而加深直至黑色，含硼金剛石生長成多晶顆粒，晶面發育不完整。
  17. Microstructure and performance of gradient polycrystalline diamond compact

    梯度復合片的組織與耐熱性
  18. Polycrystalline diamond coatings for tools are laid down using chemical vapor deposition

    工具用的復晶鉆石塗層，則是使用化學氣相沉積法製造的。
  19. Carbide - backed polycrystalline diamond or polycrystalline cubic boron nitride blanks species, dimensions

    金剛石或立方氮化硼與硬質合金復合片品種尺寸
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