The Effect of La on the Microstructure and Corrosion-resistance of Hot-dipped Aluminizing Steel
来源期刊：材料热处理学报2004年第5期
论文作者：WEN Jiu-ba LI Quan-an LI Xiao-yuan
关键词：rare-earth; aluminum; hot-dipped aluminum; corrosion;
摘 要：The effect of the content of rare-earth La on the microstructure and corrosion-resistance of hot-dipped aluminum was investigated in this paper. The results show that, under the same technology conditions, the thickness of hot-dipped aluminizing layer by adding the appropriate content of rare-earth La is about 2～3 times as much as that without rare-earth La, and the microstructure of hot-dipped aluminizing layer has also greatly changed ,and a great deal of phase Fe3Al was precipitated along the boundary of α phase. The corrosion resistance of the hot-dipped layer with rare-earth is greatly increased.
WEN Jiu-ba1，LI Quan-an1，LI Xiao-yuan1，ZHANG Wei2
(1.School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471003, China;
2.School of Materials Science and Engineering, Xi'an University of Technology, Xi'an 710048, China)
摘要:The effect of the content of rare-earth La on the microstructure and corrosion-resistance of hot-dipped aluminum was investigated in this paper. The results show that, under the same technology conditions, the thickness of hot-dipped aluminizing layer by adding the appropriate content of rare-earth La is about 2～3 times as much as that without rare-earth La, and the microstructure of hot-dipped aluminizing layer has also greatly changed ,and a great deal of phase Fe3Al was precipitated along the boundary of α phase. The corrosion resistance of the hot-dipped layer with rare-earth is greatly increased.
关键词:rare-earth; aluminum; hot-dipped aluminum; corrosion;
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