Effect of solution aging treatment on microstructure and properties of Fe0.5C11Cr corrosion resistant alloy by laser cladding

doi:10.1016/j.jallcom.2022.166142

	Effect of solution aging treatment on microstructure and properties of Fe0.5C11Cr corrosion resistant alloy by laser cladding
	Zhao, Fang 2,3; Guo, Tieming 2,3; Li, Qiang 4; Yin, Yan 2,3; Zhang, Ruihua 1,5; Nan, Xueli 2,3
刊名	Journal of Alloys and Compounds
	2022-11-20
卷号	922
关键词	Carbides Chromium alloys Chromium steel Corrosion resistant alloys Corrosion resistant coatings Grain boundaries Hardness Heat resistance Heat treatment Laser cladding Microstructure Morphology Scanning electron microscopy Stainless steel Steel corrosion 3Cr13 stainless steel After-heat treatment Ageing treatments Alloy coatings Cladding layer Corrosion-resistant alloys Microstructure and properties Powder feeding laser cladding Solution treatments Solution-aging
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2022.166142
英文摘要	Fe0.5C11Cr corrosion resistant alloy coating was prepared on the surface of 3Cr13 stainless steel by powder feeding laser cladding, and the microstructure of the coating layer was controlled by solution aging treatment. The microstructure of the coatings was measured by scanning electron microscopy, and phase composition was determined by X-ray diffraction. The hardness and corrosion resistance of coatings before and after heat treatment were evaluated on microhardness tester and electrochemical workstation, respectively. The results show that the morphology, size and quantity of dendrite carbides in the cladding layer of Fe0.5C11Cr alloy can be improved by solution and aging treatment. The eutectic carbides in the cladding layer can be changed from block, bone, continuous network of grain boundaries to round granular and discontinuous short rod by solution and aging treatment, which greatly improves the uniformity of the microstructure. There is a dynamic equilibrium and critical time for the melting and growth of carbides at 1050 °C. When the holding time is less than 20 min, the size of carbide decreases with time. After 20 min, fine carbides agglomerate and grow with time. The hardness of the cladding layer after heat treatment is about 9% higher than that of the cladding layer without heat treatment and the uniformity of the hardness is improved. The corrosion resistance of the sample kept for 20 min at 1050 is the superior because the pitting potential and passivation zone width of the coating kept at 1050 for 20 min increased by 21.5% and 19.2% compared with the cladding laser without heating, respectively. © 2022 Elsevier B.V.
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	Elsevier Ltd
WOS记录号	WOS:000830900500001
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/159409]
专题	材料科学与工程学院附属中学
作者单位	1.Yangjiang Hardware Knife and Scissors Industrial Technology Research Institute, Yangjiang; 529533, China; 2.School of Materials Science and Engineering, Lanzhou University of Technology, Lanzhou; 730050, China; 3.State Key Laboratory of Advanced Processing and Recycling of Non-ferrous Metals, Lanzhou University of Technology, Lanzhou; 730050, China; 4.Jiangsu XCMG Construction Machinery Research Institute Co. Ltd, Xuzhou; 221004, China; 5.Yangjiang High power Laser Application Laboratory Co. Ltd, Yangjiang; 529533, China
推荐引用方式 GB/T 7714	Zhao, Fang,Guo, Tieming,Li, Qiang,et al. Effect of solution aging treatment on microstructure and properties of Fe0.5C11Cr corrosion resistant alloy by laser cladding[J]. Journal of Alloys and Compounds,2022,922.
APA	Zhao, Fang,Guo, Tieming,Li, Qiang,Yin, Yan,Zhang, Ruihua,&Nan, Xueli.(2022).Effect of solution aging treatment on microstructure and properties of Fe0.5C11Cr corrosion resistant alloy by laser cladding.Journal of Alloys and Compounds,922.
MLA	Zhao, Fang,et al."Effect of solution aging treatment on microstructure and properties of Fe0.5C11Cr corrosion resistant alloy by laser cladding".Journal of Alloys and Compounds 922(2022).