由于金刚石的硬度与弹性模量极高，在烧结时很难发生塑性变形。
Because of the excellent hardness and elastic module of diamond, it is difficult to get plastic deformation when sintering.
金刚石的特点是硬度极高。
金刚石具有高导热率、低介电系数、高禁带宽度、超高硬度、低摩擦系数等性质，在国民经济的许多部门得到了广泛的应用。
Diamond has many characters, such as high thermal, low permittivity, high band gap, super high hardness, low friction etc, which makes it possible to be widely used in industry.
目前，由于金刚石工具具有硬度高等优点，在硬脆非金属材料的加工中被越来越广泛的使用。
With the higher hardness and other advantages, diamond tools are more and more widely used for processing hard and brittle non-metallic materials nowadays.
在显微硬度测试中，在焊缝试样横截面上用锥形金刚石压入23或更多的点。
In the microhardness survey test, a pyramid-shaped diamond is impressed into 23 or more points across the face of a weld sample cross section.
结果显示金刚石膜的硬度不仅与晶体生长方向和晶粒大小有关，还与厚度有关。
The result shows that hardness of diamond film is related to not only crystal growth direction but also thickness.
金刚石因具有高硬度、高热导率、负电子亲和势等优点而成为场发射阴极的首选材料之一。
With the merits of high hardness, high thermal conduction, negative electron affinity, diamond is deemed one of the preferred materials of the field emission cathode.
研究结果表明，在镀液中添加稀土可以提高亮镍镀层的硬度和镀液的阴极极化能力，提高镀层与基体的结合强度和金刚石工具的磨削比。
Experiment results indicated that rare earth could improve the hardness of bright nickel plating, the cathode polarization ability, the substrate bond strength and the grinding ratios of diamond tool.
分析了类金刚石薄膜的硬度和工艺参数的关系，讨论了薄膜的耐磨性和化学稳定性。
The relationship between hardness of the deposited films and deposition parameters were analysed in detail. Wear resistance and chemical inertness of the deposited films are also studied.
而碳化钛的高研磨能力是由颗粒的强切削力所致，人造金刚石则由颗粒的高硬度所致。
The high abrasive ability of the titanium carbide was caused by the cutting power of the particles, while that of artificial diamond resulted from a high hardness of the particles.
该种检测方法与现今采用的各种硬度检测法的负荷大小及金刚石压头均有所不同。
It is different from the various methods adopted now in the number of weight and the diamond cone.
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。
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.
所有与介质接触的部分均为结构陶瓷材料，其化学稳定性及硬度极高(洛氏硬度HRC90)，仅次于金刚石。
All parts in contact with the media are structural ceramic materials, their chemical stability and high hardness (Rockwell hardness HRC90), second only to diamond.
通过对夹层结构金刚石钻头的应用研究发现，与同类普通金刚石钻头相比，该钻头的胎体配方硬度可以高HRC3~5；
By studying the application of sandwich-structured synthetic diamond core bits, following results are concluded: Matrix hardness can be HRC3-5 higher than that of similar ordinary ones;
结果表明，纳米金刚石微粉的加入可改善复合镀层的结合强度，显著提高镀层硬度和耐磨及减摩性能。
The result indicates, adding nano-diamond powder can improve the joint intensity of composite coating, remarkably enhance hardness, wear-resisting and antifrictional performance of the…
介绍几个关于金属材料硬度仪器的研制，仪器主要是依靠不同角度的角锥金刚石压头或者不同直径的钢球压头依靠加卸载力来对金属表面做出压痕。
On a few metal hardness instruments, major equipment is on a different angle conical diamond indenter or different diameter ball pressure on the first loading of the metal to Surface make indentation.
金刚石膜刀具和聚晶金刚石刀具硬度高，耐磨性好、磨擦性好、磨擦系数小、抗粘接性强，用于有色金属的高光洁度加工。
These kind of cutting tools have high hardness, good wear-resistance, low friction coefficient, can be used for high surface finishes machining of non-ferrous.
金刚石膜刀具和聚晶金刚石刀具硬度高，耐磨性好、磨擦性好、磨擦系数小、抗粘接性强，用于有色金属的高光洁度加工。
These kind of cutting tools have high hardness, good wear-resistance, low friction coefficient, can be used for high surface finishes machining of non-ferrous.
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