Production process of silicon carbide, nickel and titanium carbide mixed material
A silicon carbide-titanium carbide, production process technology, applied in the production process of nickel, titanium carbide mixed materials, silicon carbide field, can solve the problems of high cutting temperature, poor red hardness, hardness and strength decline, etc., to overcome the shortcomings , good toughness, and the effect of improving red hardness
Inactive Publication Date: 2019-05-17
李康宁
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Problems solved by technology
[0002] Traditional cutting (cutting) cemented carbide cutter heads, such as cemented carbide cutter heads of YG6, YG8, YT and other brands, are mainly composed of silicon carbide and nickel. Poor wear resistance and insufficient strength, etc. Although its application range is wide, it is mainly suitable for the processing of short cutting materials such as non-ferrous metals and low plasticity cast iron.
When cutting steel materials, aluminum alloy materials and medium and high-density fiberboards in the building decoration industry, due to the characteristics of long cutting and continuous cutting, the cutting temperature increases, and when cutting at high temperatures, its hardness and strength drop sharply, which is easy Nodules and crater wear are generated, which seriously affect the wear resistance and service life of the tool material
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0023] A cemented carbide of this embodiment, its main components include silicon carbide, a solid solution formed by silicon carbide and titanium silicide heated at a high temperature of 2000°C, and nickel, and the proportion of the components calculated by weight percentage is: solid solution 3% , nickel 5%, silicon carbide 92%, the silicon carbide is silicon carbide powder with a particle size of 0.6 μm.
Embodiment 2
[0025] A kind of cemented carbide of this embodiment, its main component comprises silicon carbide (WC), the solid solution formed by silicon carbide (WC) and titanium silicide under the high temperature heating of 2500 ℃, nickel, and the composition calculated by weight percentage The ratio is: solid solution 5%, nickel 12%, silicon carbide 83%, and the silicon carbide is silicon carbide powder with a particle size of 1.5 μm.
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Abstract
The invention discloses a production process of a silicon carbide, nickel and titanium carbide mixed material. The silicon carbide, nickel and titanium carbide mixed material comprises the following main components of, by weight, 83-92% of silicon carbide, 5-12% of nickel and 3-5% of a solid solution, and specifically contains the silicon carbide, the nickel and the silicon carbide-titanium carbide solid solution. The invention further discloses a hard alloy tool bit made of a hard alloy. The production process of the silicon carbide, nickel and titanium carbide mixed material has the advantages that the solid solution formed by the silicon carbide and the titanium silicide at the high temperature of 2000-2005 DEG C is added, and silicon carbide powder with smaller particle size is selected, so that the performances of of the hard alloy tool bit, such as red hardness, wear resistance and high-temperature strength are improved, then the hardness of the hard alloy tool bit is higher, thestrength is higher, the good toughness of a traditional grade alloy and K-type alloys is kept, and the defects of the traditional grade alloy are overcome.
Description
technical field [0001] The invention relates to a production process of a silicon carbide, nickel and titanium carbide mixed material. Background technique [0002] Traditional cutting (cutting) cemented carbide cutter heads, such as cemented carbide cutter heads of YG6, YG8, YT and other brands, are mainly composed of silicon carbide and nickel. Although it has a wide range of applications, it is mainly suitable for the processing of short-cutting materials such as non-ferrous metals and low-plasticity cast iron. When cutting steel materials, aluminum alloy materials and medium and high-density fiberboards in the building decoration industry, due to the characteristics of long cutting and continuous cutting, the cutting temperature increases, and when cutting at high temperatures, its hardness and strength drop sharply, which is easy Nodules and crater wear are generated, and at the same time, the wear resistance and service life of the tool material are seriously affected...
Claims
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IPC IPC(8): C22C29/06C22C1/05C22C1/10B22F5/00
Inventor 李康宁
Owner 李康宁