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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 17    No. 2    April 2007

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Crystallographic research of spangle on hot dip galvanized steel sheets
LU Jin-tang(卢锦堂), WANG Xin-hua(王新华), CHE Chun-shan(车淳山),
KONG Gang(孔 纲), CHEN Jin-hong(陈锦虹), XU Qiao-yu(许乔瑜)

College of Materials Science and Engineering, South China University of Technology, Guangzhou 510640, China

Abstract: The spangles on hot dip galvanized steel sheet were investigated on an X-ray diffraction(XRD) meter by the rotating crystal method. The correlations between the crystallographic orientations of spangles and their morphologies were analyzed. The results show that the correlation can be classified into three types: β=0˚, 0˚<β<90˚ and β=90˚ by β. Crystallographic model of single spangle under the ideal condition was established based on the experimental results. The correlation between α and β can be deduced by their geometric relation as an equation.

 

Key words: hot dip galvanizing; crystal growth; solidification; spangle

ISSN 1672-7029
CN 43-1423/U

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