Additive manufacturing metal powder and methods of making and using the same
By introducing a composite reinforcing phase of VC and Nb5Si3 into 3D printing mold steel powder, and optimizing the component ratio and preparation process, the problems of insufficient high-temperature strength, poor wear resistance and poor molding stability were solved, and a balance between the 3D printing formability and mechanical properties of high-end precision molds was achieved.
CN122428210APending Publication Date: 2026-07-21TEPUCHUANG LASER TECHNOLOGY (HANGZHOU) CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TEPUCHUANG LASER TECHNOLOGY (HANGZHOU) CO LTD
- Filing Date
- 2026-06-23
- Publication Date
- 2026-07-21
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Figure CN122428210A_ABST
Abstract
The application relates to an additive manufacturing metal powder and a preparation method and application thereof, the additive manufacturing metal powder comprises, in percentage by weight, C: 0.35-0.40%, Si: 0.5-1.0%, Mn: 0.4-0.7%, Cr: 13.0-14.0%, Ni: 1.0-1.5%, Mo: 1.5-2.0%, V: 0.2-0.5%, Nb: 0.05-0.1%, S <= 0.01%, P <= 0.015% and the balance of Fe; the additive manufacturing metal powder comprises a composite reinforcing phase of VC and Nb5Si3, the particle size of the VC reinforcing phase is 50-200 nm, and the particle size of the Nb5Si3 reinforcing phase is 200-500 nm. The additive manufacturing metal powder has excellent mechanical properties, wear resistance and 3D printing formability, the formed part is not prone to cracking, has good stability, and can meet the manufacturing requirements of high-end precision molds.
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