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发明公开
CN108018473A 固溶体及其制成的金属陶瓷刀具材料 有权

固溶体及其制成的金属陶瓷刀具材料
摘要：
本发明固溶体（W，Ti，Ta）C0.55N0.45及其制成的金属陶瓷刀具材料，解决金属陶瓷刀具材料中存在大量（W，Ti，Ta）CN的结构相，影响刀具材料的稳定性的问题。为由WC为W源,TiO2作为Ti源，Ta2O5作为Ta源，再配以炭黑粉末，在H2、N2气氛下进行还原碳化‑固溶反应，制得的固溶体粉末，固溶体平均粒度为2‑3微米。按照配方，将平均粒径分别为1μm的Co、Ni，1‑2μm的Mo2C、TiC0.5N0.5以及2‑3μm的固溶体（W，Ti，Ta）C0.55N0.45按比例混合，制成金属陶瓷刀具材料。
摘要（英）：

The invention provides a solid solution (W, Ti, Ta) C0.55N0.45 and a metal ceramic cutter material prepared through same, and aims at solving the problem that a large amount of structure phases of (W,Ti, Ta) CN are in the metal ceramic cutter material and influence the stability of the cutter material. The solid solution is characterized in that WC is treated as a W source; TiO2 is treated as a Ti source; Ta2O5 is treated as a Ta source; the carbon black powder is added; and on that basis, the reduction carburizing-solution treatment reaction is carried out under H2 and H2 atmosphere to obtain solid solution powder; the average particle size of the solid solution is 2-3 microns. According to the formula, Co and Ni with the average particle size of 1 micron, Mo2C with the average particlesize of 1-2 microns, TiC0.5N0.5 with the average particle size of 1-2 microns, and solid solution (W, Ti, Ta) C0.55N0.45 with the average particle size of 2-3 microns are mixed based on ratio to prepare the metal ceramic cutter material.

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