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Abstract:
使用V元素增强Ni基耐磨激光熔覆涂层及其制备方法,属于激光涂层技术领域。向镍基自熔性合金粉末中加入一定比例的钒铁粉、B4C粉和Y2O3粉,在高能激光束的照射下,使复合粉末与基材表面快速熔化,在熔池中原位生成VC陶瓷硬质相,并快速凝固形成熔覆层。本发明原位反应生成的VC陶瓷硬质相与基体呈良好的冶金结合,熔覆层组织致密、均匀,无气孔、夹渣、裂纹等缺陷。熔覆层的硬度达到了1000HV以上,耐磨性比镍基自熔性合金熔覆层提高4倍以上,用于修复轧辊可大大延长轧辊的使用寿命。
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Patent Info :
Type: 发明申请
Patent No.: CN202210732255.1
Filing Date: 2022-06-23
Publication Date: 2023-12-15
Pub. No.: CN115074724B
Applicants: 北京工业大学
Legal Status: 授权
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 10
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