Analysis of Reactions in the Fe-Zn System through X-rays Diffraction Image Processing

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In this study, the MAXIM (MAterials X-rays IMaging) technique was used to identify the phases present in previously galvanized steel samples, and to clarify the phase transformation sequence that occurs during <i>in situ</i> annealing of galvanized samples. A diffractometer equipped with a novel imaging system comprising a Micro-Channel Plate in front of a CCD camera was used. The galvanized samples were produced under typical industrial conditions, with effective aluminum content of 0.147 wt%. The experiments involved two sets of conditions: (1) experiments based on the observation, at room temperature, of previously galvannealed samples. (2) <i>in-situ</i> annealing experiments, where the phase evolution was recorded in real time. It can be concluded that, coupled to <i>in-situ</i> heat treatment, MAXIM is an efficient method to observe the phase distribution and the evolution of the phases present in galvanized/galvannealed samples.


  • Transactions of the Iron and Steel Institute of Japan  

    Transactions of the Iron and Steel Institute of Japan 46(11), 1674-1678, 2006-11-15 

    The Iron and Steel Institute of Japan

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