3D printing special alloy powder and preparing method thereof

An alloy powder and 3D printing technology, applied in the field of 3D printing, can solve the problems that restrict the promotion and popularization of 3D metal forming technology, the powder shape is uncontrollable, and the powder quality is uncontrollable, so as to improve the physical and chemical properties and surface finish. , Improve the effect of powder purity
CN108941596AInactive Publication Date: 2018-12-07湖南伊澍制造股份有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
湖南伊澍制造股份有限公司
Publication Date
2018-12-07
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a preparing method of 3D printing special alloy powder. The preparing method comprises the following steps that tungsten carbide powder, cobalt powder, chromium powder, aluminite powder and titanium powder are mixed to be subjected to ball milling, and mixed metal powder is obtained; and the mixed metal powder is subjected to induction plasma spheroidization treatment, and the 3D printing special alloy powder is obtained. According to the preparing method, high temperature of plasmas is used as a heat source to melt and evaporate raw material powder, the spheroidizationprocess of the irregular raw material powder can be achieved, and the physical and chemical characteristics of the powder can be effectively improved and are mainly showed in improving the liquidity of the alloy powder, reducing the powder porosity, improving the powder density, reducing powder brittleness, improving particle surface smoothness, improving powder purity and accurately controlling the oxygen content. According to the embodiment, the 3D printing special alloy powder prepared through the method has the high powder density, good liquidity and the accurate oxygen content.
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Description

technical field

[0001] The invention relates to the technical field of 3D printing, in particular to a 3D printing special alloy powder and a preparation method thereof. Background technique

[0002] Additive manufacturing (also known as 3D printing) directly manufactures three-dimensional solid parts by accumulating materials layer by layer under the drive of the three-dimensional data of the parts. It has the characteristics of full flexibility, networking, and intelligence. "Third Industrial Revolution".

[0003] At present, dozens of additive manufacturing technologies have been developed, such as selective light curing (SLA), fused extrusion deposition (FDM), layered solid manufacturing (LOM), etc. The materials used in most additive manufacturing technologies are paper, wax, plastic, polymer materials, etc., and the technology is relatively mature. The additive manufacturing technology of metal materials commonly used in industry started relatively late, and it is an...

Claims

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