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一种破碎机承载结构表面冷喷涂层强化工艺
InventionUnknown
9Claims · 1 independent
§ Ⅰ
Dossier Overview
Inventor
蔡军; 许可安; 何志勇
Filing Date
Aug 27, 2026
Publication Date
Oct 16, 2026
IPC Classification
C23C 24/04 (2006.01)C22C 30/00 (2006.01)C22C 29/08 (2006.01)C22C 29/06 (2006.01)B22F 1/00 (2022.01)B22F 1/052 (2022.01)B22F 9/02 (2006.01)
本发明涉及金属表面冷喷涂技术领域,公开了一种破碎机承载结构表面冷喷涂层强化工艺,包括:将纯镍粉末与具有相同化学组成及粒径分布但单颗粒抗压强度分立的第一与第二碳化钨‑镍金属陶瓷团聚粉末混合;将混合粉末以预混单相流送入高压氮气冷喷涂气流中,在经喷砂粗化与预热的破碎机承载结构表面连续沉积形成复合涂层,本发明利用两类团聚颗粒的烧结结合强度差异,使较低强度的第一团聚颗粒撞击破裂并协同塑性镍相紧密充填孔隙,较高强度的第二团聚颗粒保持完整以构建硬质骨架,在均一飞行惯性下实现碎裂填隙与硬质骨架保留的协同,获得高致密与强耐磨结合的复合涂层。
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