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TiC-1 hard alloy and preparation method thereof

A cemented carbide, tic-1 technology, applied in the field of alloy manufacturing, can solve problems such as knife tumor and crescent wear, and achieve the effect of improving hardness, good corrosion resistance, and low consumption of strategic resources

Inactive Publication Date: 2012-04-11
成都科力铁硬质合金有限公司
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  • Summary
  • Abstract
  • Description
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Problems solved by technology

[0005] The present invention aims to solve the technical problems that the existing WC-Co cemented carbide is easy to produce knife tumors and crater wear, so as to provide a cemented carbide with the advantages of high hardness and wear resistance, resistance to crater wear, low production cost and high cost performance. TiC-1 cemented carbide and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] The TiC-1 cemented carbide of the present invention and its preparation method are further described through the following embodiments.

[0026] The material ratio table of embodiment 1-3

[0027] Ni powder content (%) Mo powder content (%) TiC powder content (%) Example 1 6.8 2.8 90.4 Example 2 7.1 3.2 89.7 Example 3 7.2 2.9 89.9

[0028] Put Ni powder, Mo powder and TiC powder into the tilting ball mill according to the material ratio table of Example 1-3. The ball mill speed is 240r / min. High quality alloy balls, the ball-to-material ratio is 4:1, the ball milling time is 42-44 hours, the solvent used for wet milling is absolute ethanol, and the mixed slurry is obtained by wet milling until the powder particle size is 1-2 μm.

[0029] Afterwards, filter and dry the above-mentioned mixed slurry, add SD rubber solution of 0.8-1.0% of the total mass of raw materials, mix evenly, vacuum-dry at 90-110°C for 15-25 minutes, and p...

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Abstract

The invention discloses a TiC-1 hard alloy and a preparation method thereof, which relate to the technical field of manufacturing of alloys and are used for solving the problems of easiness in producing built-up edges and crescent depression wear existing in the conventional WC-Co alloy. The TiC-1 hard alloy comprises the following components in percentage by weight: 6.8-7.2 percent of Ni, 2.8-3.2 percent of Mo and the balance of TiC.

Description

technical field [0001] The invention relates to the technical field of alloy manufacture, in particular to a titanium carbide-based hard alloy with nickel as a binding phase and a preparation method thereof. [0002] Background technique [0003] The hard phase in cemented carbide usually refers to WC, TiC, VC, etc., and the binder phase usually refers to Co, Ni, Fe, etc. Cemented carbide begins with WC-Co cemented carbide, which is an alloy with the simplest composition and the widest range of applications. However, when cutting steel, it is easy to produce knife tumor and crescent wear. TiC has properties such as wear resistance, oxidation resistance and crater wear resistance. At the same time, WC resources are decreasing day by day, and it is urgent to find a substitute for WC. [0004] Contents of the invention [0005] The present invention aims to solve the technical problems that the existing WC-Co cemented carbide is easy to produce knife tumors and crater w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/10C22C1/05
Inventor 苏华杨剑忠谷亩张晓艳
Owner 成都科力铁硬质合金有限公司
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