{"id":13917,"date":"2020-03-12T08:55:52","date_gmt":"2020-03-12T08:55:52","guid":{"rendered":"https:\/\/www.meetyoucarbide.com\/?p=13917"},"modified":"2020-05-07T00:30:57","modified_gmt":"2020-05-07T00:30:57","slug":"the-efficacy-of-carbon-content-on-wc-tic-co-cemented-carbide","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/the-efficacy-of-carbon-content-on-wc-tic-co-cemented-carbide\/","title":{"rendered":"The Efficacy of Carbon Component on WC-tic-co-cemented Carbide"},"content":{"rendered":"
WC Co cemented carbides are easy to oxidize and decompose in high temperature application, which have many problems, such as brittleness, brittle fracture, processing softening and edge breaking, etc. they are still not suitable for high speed cutting of steel, so they have great limitations. WC tic co cemented carbides are known to have wear resistance, oxidation resistance and crater wear resistance.<\/strong><\/strong><\/p>\n\n\n\n However, due to the fact that tic and its solid solution are much more brittle than WC, this alloy also has relatively large defects, that is, the toughness and weldability of the alloy are poor. Moreover, when the content of TiC exceeds 18%, the alloy is not only brittle, but also difficult to weld. In addition, tic can not significantly improve the high temperature performance. <\/strong><\/strong><\/p>\n\n\n\n TAC can not only improve the oxidation resistance of cemented carbide, but also inhibit the grain growth of WC and tic. It is a practical carbide which can improve the strength of cemented carbide without reducing the wear resistance of cemented carbide. TAC can increase the strength of cemented carbide by adding TAC into WC tic co cemented carbide The addition of TAC helps to reduce the friction coefficient, thus reducing the temperature of the tool. The alloy can bear a large impact load at the cutting temperature. The melting point of TAC is as high as 3880 \u2103. The addition of TAC is very beneficial to improve the high temperature performance of the alloy. Even at 1000 \u2103, it can still maintain a good hardness and strength.<\/strong><\/strong><\/p>\n\n\n\n Tic and TAC are insoluble in WC, while WC is soluble in tic. The solubility of WC in the continuous solid solution formed by TAC is about 70wt%. The solubility of WC in the solid solution decreases with the increase of TAC content. The properties of WC tic tac Co alloys are mainly achieved by adjusting the tic + TAC, the ratio of Ti atom number to ta atom number and the content of cobalt. When the ratio of Ti atom number to ta atom number and the content of cobalt are fixed, adjusting the content of TiC + TAC to achieve the best performance has become the focus of research.<\/strong><\/strong><\/p>\n\n\n\n 1. The raw materials used in this experiment are: WC powder, compound carbide powder [(W, Ti, TA) C] powder and Co powder. The chemical composition and average particle size are shown in Table 1.<\/strong><\/strong><\/p>\n\n\n\n