一种激光-电弧复合增材制造制备钛合金零件的方法

By using a laser-arc composite additive manufacturing method, titanium alloy parts are divided into contours and cores, which are then shaped separately using a laser beam and an electric arc. This solves the problems of efficiency and precision in the manufacturing of titanium alloy parts, achieving a high-efficiency and low-cost manufacturing effect.

CN117600485BActive Publication Date: 2026-07-17SHENYANG AEROSPACE UNIVERSITY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHENYANG AEROSPACE UNIVERSITY
Filing Date
2023-10-31
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing technologies cannot simultaneously achieve high forming efficiency, high surface precision, and high mechanical properties for titanium alloy parts, and traditional manufacturing processes suffer from material waste and high costs.

Method used

The laser-arc composite additive manufacturing method is used to divide titanium alloy parts into two parts: contour and core. The laser beam and electric arc are used to form the contour and the electric arc to fill the core, respectively. Combining the advantages of LDM and WAAM, high-efficiency and high-precision manufacturing is achieved.

Benefits of technology

It improves the manufacturing efficiency of titanium alloy parts, reduces production costs, and enhances the surface precision and mechanical properties of the parts, making it suitable for manufacturing large titanium alloy parts.

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Abstract

本发明公开了一种激光‑电弧复合增材制造制备钛合金零件的方法,该方法包括:将钛合金零件分成轮廓和芯部两部分,以激光束为热源,粉末为原材料成形钛合金零件的轮廓;以电弧为热源,丝材为原材料在已成形的轮廓内部进行填芯,即先采用LDM沉积钛合金零件的轮廓,再利用WAAM沉积轮廓内的芯部从而得到完整的钛合金零件。本发明在满足内轮廓与芯部结合良好的条件下,实现钛合金零件的高效高表面质量制造,除此之外,由于激光沉积制造形成的细小组织也能够提高钛合金零件的综合性能,本发明所述方法原理简单,成本可控,在增材制造制备钛合金零件领域有可观的前景。
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