3D printing method for metal material
A 3D printing and metal material technology, applied in the field of metal 3D printing, can solve the problems that affect the forming and tissue performance of metal materials, high equipment prices, and increase costs, so as to improve the effective utilization rate, improve printing efficiency, and reduce equipment costs. Effect
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[0024] 1. In order to make the present invention clearer and easier to understand, the following examples are specifically cited for detailed description, and the present invention is not limited to the following examples.
[0025] 2. The present invention relates to a 3D printing method of metal materials, which includes the following steps:
[0026] (1) Mix the metal powder, organic solvent, binder, dispersant, suspending agent and deaerator evenly to prepare a stable and fluid metal powder slurry or suspension, dispersion, complex, colloid, etc. Solid-liquid mixture;
[0027] (2) Use 3D software to establish a printing model and set the laser process parameters;
[0028] (3) Load the prepared metal powder slurry into the storage tank and perform SLM printing;
[0029] (4) Take out the printed metal products for post-processing.
[0030] 3. Among them, the preparation method of metal powder slurry is as follows:
[0031] (1) The metal powder is aluminum, cobalt, chromium, iron, nickel,...
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