Formation Mechanism of Hercynite Contained in Ceramic Layer of Ceramic Lined Steel Pipe
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摘要: 通過理論分析和試驗,研究了內襯陶瓷復合鋼管陶瓷層中鐵鋁尖晶石(FeO·Al2O3)的含量、分布和形成機理,結果表明:陶瓷層中鐵鋁尖晶石含量降低到5.6%,并孤立分布于Al2O3晶界,從而顯著提高了陶瓷層的耐蝕性能。Abstract: An investigation on the amount, the distribution, and the formation mechanism of hercynite (FeO. Al2O3) contained in the ceramic layer of ceramic lined steel pipes is performed by means of theoretical analysis and experiment. As a result,the amount of hercynite is decreased to 5.6%, and hercynite is isolated in Al2O3 grain boundary to improve the corrosion resistance of ceramic layers.
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Key words:
- SHS /
- hercynite /
- steel pipe /
- ceramic lined
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