발간논문

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Vol.34, No.12, 1596 ~ 1601, 1996
Title
Research Paper - Mechanical Behavior - : Erosion Behavior of Fe - 25 at.% Al Intermetallic Alloy
김용석Yong Suk Kim, 송진화Jin Hwa Song
Abstract
The solid particle erosion behavior of Fe-25 at.% Al iron aluminides(Fe₃Al) at room temperature has been investigated. It was found that the erosion rate of the aluminide increases as the impingement angle decreases, which is ductile erosion behavior. SEM observations revealed that lip formation and its subsequent detachment from the surface is the major erosion mechanism of the aluminide. Aluminides with the B2 structure showed higher erosion resistance than those with the DO₃ structure, however, the rate difference was not significant. The different erosion resistances among the aluminides with different phases were explained by the strain-hardening-rate differences.
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