Immersing Treatment of Steel Plate Surface in Steel-Aluminum Solid to Liquid Bonding |
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Authors: | Peng Zhang Yunhui Du Xueping Ren Yonglin Kang Hanwu Liu Jianzhong Cui Limin Ba |
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Abstract: | The interfacial status of the steel-alu-minum solid to liquid bonding plates (their steel plate surfaces were or were not immersed in flux aqueous solution) were measured by using SEM (Scanning Electron Microscope) and X-ray diffraction. The results showed that the layer of flux (the minimum thick-ness was 15 m on the steel plate surface) could protect the steel plate surface from oxidizing effectively at high temperature in solid to liquid bonding. The melt temperature of the flux should be lower than 580 ℃ so that it could be melted and removed completely. No.1 flux (patent product made by the author) made up of halogenides could also force liquid aluminum to infiltrate into steel plate surface and thus the interfacial shear strength of the bonding plate was rather large. |
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Keywords: | steel-aluminum solid to liquid bond-ing plate steel plate surface immerse flux melt temperature interfacial shear strength |
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