一种3D打印用球形钛粉回收利用方法
By combining passivation treatment, reducing atmosphere heating, and high-energy airflow milling, the problem of high oxygen content in residual titanium powder from 3D printing was solved, enabling low-cost, low-oxygen-content spherical titanium powder recycling and improving the mechanical properties and printing stability of titanium products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 珠海城市职业技术学院
- Filing Date
- 2023-12-26
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies are unable to effectively remove the oxygen content from residual titanium powder after 3D printing, leading to deterioration of mechanical properties and instability in the printing process. Furthermore, conventional deoxidation methods may introduce the risk of raw material contamination.
A combined process of passivation treatment, reducing atmosphere heating, and high-energy airflow milling is adopted. By passivating the recovered titanium powder in an oxygen-containing atmosphere, and then heating it in a reducing atmosphere and performing high-energy airflow milling, the introduction of additional deoxidizers is avoided and the oxygen content is reduced.
It achieves low-cost, low-oxygen-content spherical titanium powder recycling, meets 3D printing requirements, improves the mechanical properties and printing stability of titanium products, and avoids raw material contamination.
Smart Images
Figure CN117753970B_ABST