High-strength, high-anti-friction hard alloy, and manufacture method and application thereof
A technology of cemented carbide and manufacturing method, applied in the field of cemented carbide materials, can solve the problems of easy cracking or cracking, short service life, short service life, etc., and achieve improved alloy performance, improved bending strength, and improved The effect of abrasion resistance
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[0010] Take the product YWF23 (brand) of the present invention of making spectacle plate and cutting ring as example:
[0011] Tungsten carbide with a carbon content of 6.10-6.18% (free carbon 2 ), the semi-finished product pressed by the press is sent to a vacuum furnace for sintering. The sintering furnace can be a vacuum furnace produced by Zhuzhou Cemented Carbide Factory. During sintering, an 80-180 mesh emery cloth is used to separate the semi-finished product from the boat. The sintering furnace requires a vacuum degree of about 30μ, an air leakage rate of <10μ in 1 minute, a sintering temperature of 1430°C-1460°C, and a holding time of 0.5-1.5 hours. After sintering, it is cooled out of the furnace, and the finished product is made.
[0012] Taking the production of conventional general-purpose blades as an example, tungsten carbide with a particle size of FSSS2-4, a total carbon of 6.10-6.16%, and 90% of the alloy content is selected as the hard phase, and iron and co...
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