Preparation method of spherical TiTa alloy powder

A technology of alloy powder and alloy powder, which is applied in the field of preparation of spherical TiTa alloy powder, can solve the problems of increased production cost, low powder purity, and susceptibility to pollution, and achieve the effects of saving raw materials, reducing the number of smelting times, and reducing the risk of pollution
CN106735280AActive Publication Date: 2017-05-31NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NORTHWEST INSTITUTE FOR NON-FERROUS METAL RESEARCH
Publication Date
2017-05-31

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Abstract

The invention discloses a preparation method of spherical TiTa alloy powder. The preparation method comprises the following steps: 1, mixing Ti powder and Ta powder in a material mixing machine to obtain mixed powder; 2, pressing the mixed powder to prepare a blank; 3, pre-sintering the pressed blank; 4, putting the pressed blank into a vacuum consumable electrode electric arc furnace for smelting to obtain a sheared billet; 5, carrying out forging peeling, perforation and tapping, and machining an alloy rod finished product for atomization powdering of a plasma rotary electrode; and 6, preparing the spherical TiTa alloy powder from the alloy rod finished product in the step 5 through a plasma rotary electrode atomization process. The preparation method is simple in operation process and high in production efficiency; the pollution risk to the prepared TiTa alloy powder is reduced, and the oxygen content is less than or equal to 0.1 percent by weight; the raw materials are saved by at least 30 percent or above; the manufacturing cost of the spherical TiTa alloy powder can be effectively reduced by 50 percent; and therefore, low-cost and large-scale production of the high-quality spherical TiTa alloy powder can be met.
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Description

technical field

[0001] The invention belongs to the technical field of powder metallurgy preparation, and in particular relates to a preparation method of spherical TiTa alloy powder. Background technique

[0002] Compared with traditional biomedical alloys such as TC4 and NiTi, TiTa alloy has become the most ideal biomedical implant material because of its better biocompatibility, excellent corrosion resistance, and low elastic modulus. One and the demand is growing rapidly. At the same time, with the rapid development of 3D printing technology (laser rapid manufacturing, electron beam selective melting technology), high-performance spherical titanium-tantalum alloy powders with good fluidity, less pore inclusions, and low impurity content will become 3D printed biomedical implants. It is expected to be more widely used as an important basic raw material.

[0003] Plasma rotating electrode atomization powder making technology is one of the main methods for preparing spher...

Claims

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