Characterization of intermetallic compound layer thickness at aluminum–steel interface during overlaying

Yongchao Su,Yixiong Wu,Yong Zhang,Yazhou Guo,Xueming Hua

doi:10.1016/j.matdes.2015.04.025

Characterization of intermetallic compound layer thickness at aluminum–steel interface during overlaying

Yongchao Su, Yixiong Wu + Show 3 more

https://doi.org/10.1016/j.matdes.2015.04.025

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Journal: Materials & Design	Publication Date: Apr 15, 2015
Citations: 18

Affiliation: Baosteel (China), Shanghai Jiao Tong University, SAIC Motor (China)

#Aluminum Steel Interface #Bead Welds + Show 8 more

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Abstract

Abstract In this research, the thicknesses of Fe2Al5 sub-layer (lFe2Al5) in bead welds were roughly calculated according to the formula l = Kt1/2. The values of constant K and residence time t were obtained through recording welding pools temperature. Fe2Al5 sub-layers were also observed and their thicknesses were measured by SEM and EDS analysis. The calculated results were in close agreement with measured results, demonstrating the accuracy of these calculated Fe2Al5 sub-layer thicknesses.

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