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  • 网络六方氮化硼
hbnhbn
  1. Therefore , the surface treatment of hBN becomes the key point in the preparation and application of high performance hBN / polymer composites .

    因此六方氮化硼的表面处理成为高性能六方氮化硼/聚合物基复合材料的制备与应用的关键。

  2. Catalysts are indispensable for changing hBN to CBN under high pressure and high temperature .

    在高压高温下触媒是使hBN向cBN转变所不可或缺的材料。

  3. WBN is synthesized from hBN under kinetic high pressure and high temperature .

    wBN通常是在动态超高压高温条件下由六方氮化硼(hBN)直接转变而成的。

  4. HBN was the main phase and the content did not influence the transition of cBN .

    由于各层中hBN都为主要物相,故hBN含量对cBN的转变不会产生影响。

  5. As the temperature rose , rBN was transformed into hBN .

    随着温度升高,rBN向hBN转化。

  6. Effect of hBN and Calcined Petroleum Coke on Friction and Wear Properties of Phenolic Resin-based Friction Composites

    煅烧石油焦及六方氮化硼对摩阻材料摩擦磨损性能的影响

  7. Catalytic Function of Mg_3N_2 in the Formation of hBN

    Mg3N2在生成hBN反应中的催化作用

  8. The nucleation characteristics of CBN crystals are studied using hBN as starting material and magnesium boron nitride as catalyst .

    研究了以hBN为原料,氮硼化镁作触媒合成CBN的成核特性。

  9. The effects of various parameters such as gas component , microwave power , working pressure , duration time , the growth of hBN films have been studied systematically .

    系统地研究了各种参数如气源组分、微波功率、工作气压、沉积时间等对氮化硼薄膜生长行为的影响。

  10. In this work , high quality hBN films were prepared on ( 100 ) oriented Si wafers from gas mixture of He-N2-H2-BF3 by microwave plasma chemical vapor deposition .

    本研究采用微波等离子体化学气相沉积方法以及He-N2-BF3-H2的混合气源系统在(100)取向的Si片上沉积出了高质量的六方氮化硼(hBN)薄膜。

  11. Hot-pressing using metal bond shows that as the cBN content and sintering temperature increased gradually , it was helpful to improve the performance of the sample , and hBN was not found .

    热压下烧结情况表明,随着cBN的含量及烧结温度的增高样品的性能逐渐改善,且在样品中没有出现hBN。

  12. Assembly mode influences not only the temperature and pressure distribution in the sample chamber , which ultimately affects the quality of synthesized CBN crystals , but also makes some demand on the selection of starting hBN .

    组装方式不仅可以影响高压腔内温度压力的分布,最终影响合成晶体的质量,而且也直接影响到对原料hBN的选择。

  13. The crystallinity of hBN films was characterized mainly by Raman spectroscopy . Obvious narrowing of the Raman peaks was observed for the catalytically grown hBN films comparing with that grown directly on Si substrates .

    主要利用拉曼光谱表征了hBN薄膜的结晶度,测试表明采用催化剂生长的hBN薄膜其拉曼峰半高宽比直接在硅衬底上生长的薄膜明显窄化。

  14. Boron nitride ( BN ) thin films were deposited on Si substrates using the conventional radio-frequency ( RF ) sputtering system , with hexagonal boron nitride ( hBN ) target and working gas of mixture of nitrogen and argon .

    用射频溅射(RF)方法在硅衬底上沉积了氮化硼薄膜。

  15. Cubic boron nitride ( cBN ) is transformed from hexagonal boron nitride ( hBN ) under high pressure and high temperature with the occurrence of the catalyst such as alkali metals , alkali-earth metals and their nitrides , boride and boron nitride etc.

    立方氮化硼(cBN)是在碱金属、碱土金属及它们的氮化物、硼化物、硼氮化物等触媒参与,在高压高温条件下由六方氮化硼(hBN)转变而成的。

  16. Owing to the similarity in crystal structure to hexagonal boron nitride ( hBN ) and graphite , BCN compounds are expected to possess properties intermediate between those of hBN and graphite , mainly the increased high temperature oxidation resistance and tolerable bandgap depending on the composition .

    由于六方氮化硼(h-BN)和石墨在晶体结构上的相似性,BCN化合物的性质将介于石墨碳和h-BN之间,主要是改进的高温抗氧化性和介于石墨和h-BN之间的禁带宽度。

  17. Based on the published literatures and the related thermodynamic data , Ni , Mo and Ni-Mo alloy were selected as the catalysts for growing the high-quality hBN films . It was found that Mo , and Ni-Mo have obvious catalyzing effects on the growth of hBN films .

    基于已有文献和有关热力学数据,选择镍和钼及其合金作为本实验的催化剂,研究发现钼和镍钼合金的催化效果明显。