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首页> 外文会议>Proceedings of remanufacturing international forum 2012 >Research on Equipment Repair Technology Based on Optical Fiber Laser Cladding
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Research on Equipment Repair Technology Based on Optical Fiber Laser Cladding

机译：基于光纤激光熔覆的设备维修技术研究

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The functional coatings were prepared on the samples of carbon steel,casting iron,copper alloy and aluminum alloy by 700W optical fiber laser caldding machine.The microstructure was observed by SEM and EDS,and the related performance was tested by microhardness tester,tensile tester machine and ring-block wear test machine.The rusults shows that the performance of functional coatings by laser cladding technology is coherent to or superior to the subustrate.The cladding coatings are uniform in composition,which is combined with the substrate for metallurgy,and has lower dilution rates;The hardness of prepared Ni45 cladding coating is twice the hardness of the substrate(45 steel),and the hardness of Ni60 cladding coating is 5 times the hardness of the substrate(casting iron); and the hardness of chromium zirconium copper cladding coating is similar to the hardness of substrate(QA19-4),and the hardness of aluminum alloy cladding coating is similar to the hardness ofsubstrate(ZL301); The wear resistance of Ni60 coating and Ni45 coating are prior to the electroplate hard chromium (EHC) layer.The typical application verifies the feasibility of repair and strengthen by laser cladding technique,which can improve the repair ability and level; and the laser cladding technology has optical fiber transmission,flexible manufacturing and srong mobility,which provide new technical means for remote and online guarantee in the hull.
机译：用700W光纤激光压延机在碳钢，铸铁，铜合金和铝合金样品上制备功能涂层，用SEM和EDS观察显微组织，并用显微硬度仪，拉伸仪测试相关性能。结果表明，采用激光熔覆技术的功能性涂层的性能与基体一致或优于基体。熔覆层的成分均匀，与冶金基体结合使用，具有较低的性能。稀释率；制备的Ni45熔覆层的硬度是基体（45钢）的两倍，Ni60熔覆层的硬度是基体（铸铁）的5倍；铬锆铜熔覆层的硬度与基体（QA19-4）的硬度相近，铝合金熔覆层的硬度与基体（ZL301）的硬度相近； Ni60涂层和Ni45涂层的耐磨性优于电镀硬铬（EHC）层。典型的应用验证了用激光熔覆技术进行修复和强化的可行性，可以提高修复能力和水平。激光熔覆技术具有光纤传输，制造灵活，移动灵活等特点，为船体的远程和在线保证提供了新的技术手段。

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