Distribution of aluminum in regular hot-dip galvanized steel coatings

被引：0
|
作者：
Gagne, M [1 ]
Baril, E [1 ]
Belisle, S [1 ]
L'Esperance, G [1 ]
Boutin, E [1 ]
Hong, B [1 ]
Goodwin, F [1 ]
机构：
[1] Noranda Technol Ctr, Pointe Claire, PQ H9R 1G5, Canada
来源：
ZINC-BASED STEEL COATING SYSTEMS: PRODUCTION AND PERFORMANCE | 1998年
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The final results from Ilzro project ZCO 2-2 'Study of coating aluminum distribution' are presented in the paper. Selective wet chemical stripping and electron beam metallographic techniques were evaluated and chosen for their ability to characterize the distribution of aluminum in regular hot dip galvanized steel coatings. Commercial samples were collected and examined to determine the effects of coating parameters on the distribution of aluminum in the coatings. Coating parameters investigated include steel type, line speed, strip temperature, bath temperature, bath aluminum level, and coating weight. Results of the chemical analyses and the metallographic examinations are presented. The results show that the line speed, bath aluminum level and coating weight impact on the aluminum distribution in the coating. Recommendations are made on processing conditions that lead to extremes in aluminum distribution in the coatings.
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页码：229 / 238
页数：10
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