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Chemical vapor deposition diamond
Engraving Tools-Guangzhou Jeefoo Cnc Tools / 2015-09-28

Chemical vapor deposition diamond
PCD, PCBN and synthetic single crystal diamond are synthesized under high temperature and high pressure, while CVD diamond is prepared under low pressure. Carbon based gases and hydrogen mixtures are decomposed into diamond deposition on the substrate at high temperature and under the pressure of atmospheric pressure. The deposited polycrystalline diamond is an excellent interactive growth, it is very dense and columnar structure. With different growth conditions, CVD diamond also exhibits different grain sizes and structures. The thermal stability of CVD diamond is close to that of natural diamond.
Can be based on the need for grain size and deposition technology to choose. For example, the performance requirements of CVD diamond are obviously different from the cutting tools, such as heat control and optical windows, for the application of non cutting tools. Grain size and surface morphology of the difference between a lot of polycrystalline diamond can be produced by a selection of different CVD process according to different application requirements. Because of the requirements for the performance of the tool is a variety of, it may be a variety of different grain sizes of CVD diamond to meet the needs of a variety of applications.

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