Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/43342
標題: Deposition of Multicomponent Alloys on Low-Carbon Steel Using Gas Tungsten Arc Welding (GTAW) Cladding Process
作者: Chen, J.H.
吳威德
Chen, P.N.
Hua, P.H.
Chen, M.C.
Chang, Y.Y.
Wu, W.
關鍵字: microstructure;cladding process;wear;multicomponent alloys;high-entropy alloys;co-based alloys;wear-resistance;stainless-steel;abrasive wear;microstructure;surface;design;composites;behavior
Project: Materials Transactions
期刊/報告no:: Materials Transactions, Volume 50, Issue 3, Page(s) 689-694.
摘要: 
In this study, multicomponent alloy fillers were deposited on low-carbon steel substrates using gas tungsten arc welding (GTAW) process. The microstructure and wear properties of Al-Co-Cr-Ni-Mo-Fe-Si multicomponent alloys were studied. The GTAW cladding layers were analyzed by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), X-ray energy dispersive spectroscopy (EDS). and transmission electron microscope (TEM). The results show that the microstructure mainly consisted of dendritic FeMoSi and interdendritic BCC phases and that the addition of Si coarsened the primary FeMoSi phase. In addition, different precipitate morphologies were found in the interdendrites. As the Si content increased from 5.92 to 14.53 at%, the microhardness also increased from 826 to 885 Hv and the wear resistance improved significantly. The FeMoSi dendrites possessed covalent-dominant strong atomic bonds that enhanced the hardness and wear resistance of claddings. [doi:10.2320/matertrans.MRP2008276]
URI: http://hdl.handle.net/11455/43342
ISSN: 1345-9678
DOI: 10.2320/matertrans.MRP2008276
Appears in Collections:材料科學與工程學系

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