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the coating corrosion or oxidation in the environment, closed is a content of coating design must be considered. Any kind of thermal spraying coating method, there is porosity. With flame spray coating porosity, among them the most. In general, the coating porosity range is quite large. Flame spray coating porosity sometimes as high as 15% above, and high-speed oxygen - gas spray (HVOF) layer is below 1%. Table 2 is made of different thermal spraying coating porosity. As hot spraying…Continue
Posted on December 13, 2016 at 9:27
In recent years due to the progress of science and technology and the demand of the market makes chemical fiber pbaruct yield increased rapidly. And tungsten carbide nozzle is one of the necessary components in chemical fiber pbaruction equipment, the manufacturing quality and service life of chemical fiber pbaruction efficiency and pbaruct quality have nots allow to ignore. Although materials of ceramic nozzle service life is long,but the pbaruction cost is relatively high. And…Continue
Posted on July 22, 2016 at 9:29
In recent years, China's cemented carbide industry development has made no small achievement, but compared with developed countries there is still a big gap.
Less r&d, innovation ability is poor. Cemented carbide industry in our country, yet it is not a high level of research and development institutions, due to funding, as well as the difference between talent and management, high-grade product research and development ability is weak, it is difficult to produce…Continue
Posted on July 7, 2016 at 10:24
Carbide blade edge passivation technology is also not to be a widespread attention, and again the issue is very important. The passivation of the blade can effectively improve the service life of the blade edge strength, and the stability of cutting process.
After grinding wheels and diamond grinding wheel grinding blade edge there are different degrees of micro gap, in the process of cutting micro gap to expand, to speed up the blade wear and damage. Coated carbide insert…Continue
Posted on June 30, 2016 at 3:15