Lightweight high-strength hard alloy material and preparation method thereof
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A hard alloy, high-strength technology, applied in the direction of carbide, titanium carbide, etc., can solve the problems of TiC-based cemented carbide tool wear resistance and service life are not ideal, can not meet market demand, tool service life is equivalent, etc., Achieve the effects of less difficulty in production control, low production cost, and improved strength and hardness
Inactive Publication Date: 2021-08-27
江苏轩辕特种材料科技有限公司
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Problems solved by technology
Although TiC-based cemented carbide is used as a cutting tool material, it is suitable for high-speed cutting and dry cutting of cast iron, ordinary steel, and high-hardness steel. It is equivalent to carbide tools, especially the wear resistance and service life of TiC-based carbide tools are not ideal, which cannot meet market demand
[0003] Through the above analysis, the problems and defects of the existing technology are: the wear resistance and service life of the existing TiC-based cemented carbide cutting tools are not ideal, and they cannot meet the market demand
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[0033] Such as figure 1 As shown, the preparation method of the lightweight high-strength cemented carbide material provided by the embodiment of the present invention comprises the following steps:
[0034] S101, preparing titanium powder and using the prepared titanium powder and carbon powder to prepare titanium carbide;
[0035] S102, using a modifier to modify titanium carbide to obtain modified titanium carbide;
[0036] S103, performing pretreatment of light-weight and high-strength cemented carbide raw materials;
[0037] S104, using the processed lightweight high-strength cemented carbide raw material to prepare a lightweight high-strength cemented carbide material.
[0038] Such as figure 2 As shown, the preparation of titanium powder provided by the embodiments of the present invention and the preparation of titanium carbide using the prepared titanium powder and carbon powder include:
[0039] S201, dehydrogenating titanium hydride in a vacuum, and then perfor...
Embodiment 1
[0066] A light-weight high-strength hard alloy material, the light-weight high-strength hard alloy material is composed of 6 parts of titanium, 1 part of carbon, 3 parts of zirconium, 2 parts of silicon, 1 part of copper, 2 parts of nickel, Composed of 2 parts of manganese, 1 part of iron, 1 part of niobium and 1 part of chromium.
Embodiment 2
[0068] A light-weight high-strength hard alloy material, the light-weight high-strength hard alloy material consists of 8 parts by mass, 2 parts by carbon, 6 parts by zirconium, 5 parts by silicon, 4 parts by copper, 3 parts by nickel, Composed of 3 parts of manganese, 2 parts of iron, 2 parts of niobium and 3 parts of chromium.
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Abstract
The invention belongs to the technical field of material preparation, and discloses a lightweight high-strength hard alloy material and a preparation method thereof. The lightweight high-strength hard alloy material is prepared from the components in parts by mass: 6-8 parts of titanium, 1-2 parts of carbon, 3-6 parts of zirconium, 2-5 parts of silicon, 1-4 parts of copper, 2-3 parts of nickel, 2-3 parts of manganese, 1-2 parts of iron, 1-2 parts of niobium and 1-3 parts of chromium. The lightweight high-strength hard alloy material provided by the invention is reasonable in raw material ratio, and has the advantages of low production control difficulty and low production cost, and is beneficial to reducing the material preparation cost; in the preparation of the lightweight high-strength hard alloy material, carbon is one of effective strengthening elements for ensuring that the alloy material obtains high strength and high hardness, the strength and the hardness of steel can be remarkably improved, ferrite can be prevented from appearing in a quenching structure, and the produced high-strength alloy is high in hardness, light in weight and capable of meeting the diversified requirements of the market.
Description
technical field [0001] The invention belongs to the technical field of material preparation, and in particular relates to a lightweight high-strength cemented carbide material and a preparation method thereof. Background technique [0002] At present, TiC-based cemented carbide has very high hardness, high wear resistance, small friction coefficient, high oxidation resistance, high heat resistance and good chemical stability. However, its resistance to plastic deformation, brittle damage resistance, thermal conductivity, etc. are poor, and its resistance to abrasive wear is also low. Therefore, its application is not as wide as that of WC-based cemented carbide. Although TiC-based cemented carbide is used as a cutting tool material, it is suitable for high-speed cutting and dry cutting of cast iron, ordinary steel, and high-hardness steel. It is equivalent to cemented carbide cutting tools, especially the wear resistance and service life of TiC-based cemented carbide cutti...
Claims
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