Laser directional energy deposition forming quality evaluation method

By adopting a multi-stage evaluation method based on nuclear safety importance classification, the problems of comprehensiveness and reliability in laser-directed energy deposition forming quality evaluation are solved, and efficient and stable forming quality control of nuclear-grade equipment is achieved, which is suitable for mass production of nuclear-grade equipment.

CN121820699APending Publication Date: 2026-04-10NUCLEAR POWER INSTITUTE OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-25
Publication Date
2026-04-10

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Abstract

The invention provides a laser directional energy deposition forming quality evaluation method, and relates to the technical field of additive manufacturing evaluation, and the method comprises the following steps: according to the importance of nuclear safety, giving an importance grade to nuclear-grade equipment; obtaining design data of the nuclear grade equipment to be evaluated; evaluating the powder raw material for directional energy deposition printing, and recording the value or allowable change range of a key variable of the powder raw material to form powder data; printing equipment and a printing process for directional energy deposition printing are obtained; based on the importance level, carrying out printing equipment evaluation and printing process evaluation; forming a printing data packet based on the design data, the powder data, the printing equipment and the printing process; and printing the to-be-evaluated nuclear-grade equipment according to the printing data packet, and performing finished product detection on the printed to-be-evaluated nuclear-grade equipment. The method has the advantage of improving the convenience, comprehensiveness, reliability and traceability of an evaluation result.
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