304-Ni60B (NiCrBSi) composite components using WAAM-LC integrated hybrid manufacturing

IF 2.9 3区工程技术 Q2 AUTOMATION & CONTROL SYSTEMS

International Journal of Advanced Manufacturing Technology Pub Date : 2024-03-12 DOI:10.1007/s00170-024-13376-3

Fangyong Niu, Weiming Bi, Zhonghai Liu, Xiong Sun, Guangyi Ma, Dongjiang Wu

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Abstract

The demand for surface wear-resistant metal components is increasing, but the current traditional preparation method of surface heat treatment for forgings and castings can hardly satisfy the trend of green development. In this study, we developed wire arc additive manufacturing laser cladding (WAAM-LC) hybrid manufacturing technology for the integrated preparation of 304 component with Ni60B reinforced coating. The microstructure and mechanical properties of 304 WAAM entity and Ni60B coating were systematically investigated. The results show that a good metallurgical bond is achieved between the Ni60B coating and 304 substrate. Both γ-Fe and δ-Fe phases appear in the 304 WAAM region, and γ-(Ni,Fe), FeNi₃, (Cr,Fe)_mC_n, and Ni_mSi_n phases are detected in the Ni60B LC coating. Slender columnar crystals and cellular crystals coexist in the 304 bonding region, while the bottom of the Ni60B coating consists of plane crystal and columnar crystals. Both molten pools appear to have a haphazardly growing dendrite structure inside. Compared to the 304 substrate, the hardness of Ni60B coating increases by 2.76 times, and the friction and wear mass loss is only 10.54% of the 304, significantly improving the wear resistance of the 304 substrate. This work indicates that WAAM-LC hybrid technology is expected to become a promising new solution for manufacturing surface wear-resistant metal components.

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利用 WAAM-LC 集成混合制造技术制造 304-Ni60B（NiCrBSi）复合材料部件

人们对表面耐磨金属部件的需求与日俱增，但目前传统的锻件和铸件表面热处理制备方法难以满足绿色发展的趋势。本研究开发了线弧快速成型激光熔覆（WAAM-LC）混合制造技术，用于 304 构件与 Ni60B 增强涂层的一体化制备。系统研究了 304 WAAM 实体和 Ni60B 涂层的微观结构和力学性能。结果表明，Ni60B 涂层与 304 基体之间实现了良好的冶金结合。在 304 WAAM 区域出现了 γ-Fe 和 δ-Fe 相，在 Ni60B LC 涂层中检测到了γ-(Ni,Fe)、FeNi3、(Cr,Fe)mCn 和 NimSin 相。细长的柱状晶体和蜂窝状晶体共存于 304 结合区域，而 Ni60B 镀层的底部则由平面晶体和柱状晶体组成。两个熔池内部似乎都有杂乱生长的枝晶结构。与 304 基体相比，Ni60B 涂层的硬度提高了 2.76 倍，摩擦磨损质量损失仅为 304 基体的 10.54%，显著提高了 304 基体的耐磨性。这项工作表明，WAAM-LC 混合技术有望成为制造表面耐磨金属部件的一种前景广阔的新解决方案。图文摘要

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来源期刊

International Journal of Advanced Manufacturing Technology 工程技术-工程：制造

CiteScore

5.70

自引率

17.60%

发文量

2008

审稿时长

62 days

期刊介绍： The International Journal of Advanced Manufacturing Technology bridges the gap between pure research journals and the more practical publications on advanced manufacturing and systems. It therefore provides an outstanding forum for papers covering applications-based research topics relevant to manufacturing processes, machines and process integration.

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