The polycrystalline diamond (PCD) compact is composed of polycrystalline diamond layer and hard alloy layer.
PCD复合片由聚晶金刚石层和硬质合金层组成。
Layer can be used to connect steel stamping forming diamond-shaped network, with gas shielded welding spot on the plate.
连接层可用冲压成型的钢质菱形网，用气体保护焊接方法点焊于钢板上。
Seen from layer structure the using condition of well section and region distribution, diamond bit has ideal market prospect.
从地层结构、井段使用情况、地域分布情况等来看，金刚石钻头具有理想的市场前景。
Through the carbide layer, metallurgical binding is produced between matrix materials and diamond.
通过碳化物层，胎体材料与金刚石之间产生冶金结合。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
The results have shown that a carbide layer is formed as a result of the reaction between carbide forming elements and graphite or diamond.
结果表明，碳化物形成元素与石墨或金刚石发生反应而形成碳化物层。
The results indicated that carbon balls were consisted of three layers, which were diamond film, mixed layer and outermost graphite.
结果表明，碳球由金刚石层、混合层和最外面的石墨层构成。
Diamond film is coated with a thin layer of conductive material in advance, and then EDM method is used to machine the coated surface.
CVD金刚石膜表面被预先涂覆一层导电金属，然后采用电蚀方法对该表面进行加工，使金刚石膜突起的尖峰被迅速去除。
There are four layer coal in Huafeng coal mine of Xinwen coal group company, it is mined layer by layer, artificial roof is used by diamond metal net over a long period of time.
新汶矿业集团华丰煤矿四层煤分层开采，长期以来全部采用金属菱形网作假顶。
Obviously, the composition, structure and properties of the intermediate layer play an important role in some main properties of the sintered polycrystalline diamond.
显然，这种中间层的组分、结构和性质对于烧结多晶金刚石的某些主要性质有着重要作用。
A new method for measuring bonding strength between electroplated layer and substrate of diamond tool is proposed.
提出一种新的电镀金刚石工具镀层与基体结合强度测试方法。
Because the composite electroplating layer containing diamond grains must be distributed on the hole surface of die, it brings some difficulties to the process.
由于含有金刚石颗粒的复合镀层要镀在胎具的内孔孔壁上，所以给电镀工艺带来一定的困难。
The utility model relates to a rope saw for diamond, which is suitable for cutting seafloor single and double layer oil gas pipelines and seafloor pipe frames.
一种金刚石绳锯机，特别适用于海底单双层油气管道和海底导管架的切割。
The utility model relates to a rope saw for diamond, which is suitable for cutting seafloor single and double layer oil gas pipelines and seafloor pipe frames.
一种金刚石绳锯机，特别适用于海底单双层油气管道和海底导管架的切割。
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