The initial growth process of diamond grain synthesized by HFCVD method was investigated by using XL30FEG SEM.

用XL 30feg扫描电镜对热丝化学气相沉积(HFCVD)法合成的金刚石颗粒的初期生长过程进行了研究。

Epitaxial diamond films and polycrystalline diamond grain were obtained on (100), (110) and (111) surface of synthesized single-crystal diamond substrates.

在金刚石的(100)，(110)和(111)面上分别获得了单晶金刚石膜和金刚石多晶粒子。

Scanning electron microscope (SEM) and X-ray diffraction (XRD) were used to measure the surface morphology, the crystal microstructure and the distribution of diamond grain in the film.

用扫描电镜(sem)和X射线衍射(XRD)方法检测了复合膜的表面形貌、晶体显微结构和复合膜中金刚石颗粒的分布情况。

Experimental results show that the grain size of diamond grinding wheel and grinding depth have important influence on micro-topography such as geometrical shape and surface topography etc.

实验结果表明，金刚石砂轮磨粒尺寸和磨削深度对磨削表面的微观形貌如几何形态和表面纹理具有重要影响。

Detailed analyses of the grain size distribution characteristics and the grain profile wavelength of fine diamond grinding wheel used for ultra-precision grinding are presented.

对超精密磨削所用细粒度金刚石砂轮磨粒粒径的分布特点和砂轮表面上磨粒的轮廓波长进行了分析。

A method for detecting the protrusion height of diamond abrasive grain on diamond wheel was proposed based on the digital image identification technology, and the measuring system was established.

提出一种应用数字图像识别技术检测金刚石砂轮磨粒凸出高度的检测方案，并建立了测试系统。

The results showed that grain size in diamond film, defect and the film growth mode are different to diamond films appearing different colour.

观察表明：外强颜色不同的金刚石膜，其内部晶粒尺寸、缺陷类型和生长方式也不同。

The effects of grain size and orientation on thermal conductivity of diamond film are studied in tills paper.

研究了金刚石膜内晶粒尺寸和取向程度对金刚石膜然导率的影响。

As a result, the influence of PCD of cobalt binder on the thermal stability is greater than that of the starting grain size of diamond.

结果表明：粘结剂钴含量要比金刚石原始粒度对复合片热稳定性的影响大。

The results showed that the plastic deformation played a more important role in the polishing of granite with the decrease of the grain size of the diamond bonded in the disc.

研究表明，随着金刚石磨粒粒度的减小，塑性流动变形在加工过程中起着越来越重要的作用。

To improve the quality of Ta Spinnerets with high hardness and alkali-proof corrosion, HFCVD is used to deposit crystalline diamond films with different sizes of grain on carbonized Ta spinnerets.

为改善钽喷丝头的品质，提高其硬度和耐碱腐蚀能力，利用热丝CVD制备不同粒径的金刚石薄膜，并通过对钽衬底的碳化处理，成功使之沉积于纯钽喷丝头表面，对纯钽喷丝头进行表面强化。

The presence of hexagonal BN was due to defects within the grain boundaries of the underlying polycrystalline diamond substrates.

而在含有大量缺陷的晶粒边界，存在六角氮化硼的成核与生长。

For the two kinds of abrasive grain-ordinary abrasive and ultra hard material, carborundum and diamond were chosen as samples for dispersing experiment.

针对两大类磨料微粉——普通磨料和超硬材料，选择碳化硅和金刚石为例进行分散实验。

Do heavy work is not to wear diamond diamond watch, although wear, but if according to the grain direction is likely to damage a blow.

做粗重工作时是不宜配戴钻石腕表，钻石虽耐磨，但若依其纹路方向受到重击仍有可能破损。

The shape of the NbC grain is diamond.

碳化铌形状为菱形。

The product surface may make the CD grain, the bevel edge, the bright side , the pulse, the anode, the wiredrawing, diamond knife grain processing;

产品表面可做CD纹、倒角、亮边、脉冲、阳极、拉丝、钻石刀纹处理；

The products or the mold core need optical mirror, CD pattern, wood grain, diamond pattern, drawing lines, diamond-shaped pattern surface;

对表面需求光学镜面、CD纹、木纹、钻石纹、拉丝纹、菱形纹之产品或模芯；