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作者：KAORU AOKI;YUSUKE DATE;YOSHIMASA MIYAGISHI;

作者單位：Department of Materials Science, Yonago College of Technology 4448, Hikona-cho, Yonago-shi, Tottori-ken 683-8502

刊名：Journal of the Technical Association of Refractories

ISSN：0285-0028

出版年：2003-01-05

卷：23

期：1

起頁：20

止頁：21

分類號：TQ175

語種：英文

關鍵詞：

內容簡介

Using the crucible method, the corrosion of refractories was tested in the lab with a simulated incinerator ash under dry or wet 1.86 percent HCl gas at 1000 deg C. In the corrosion test in ash, a glass phase of Na-K-Si-O composition formed on the surface of samples, and the mass of samples was higher after test. Basic oxides included in the ash and the refractories changed to chloride when exposed to HCl gas. But because the formed chloride volatilized, the glass formation was inhibited. When there was no ash, the basic oxides present in the refractory grain boundaries were easily volatilized, and embrittlement occurred.