采用阴极发光显微镜对Ti-IF钢水口结瘤物进行了研究,发现结瘤物的阴极光主要有红色、绿色和蓝色,红色物质为Al2O3,绿色物质为MgO·Al2O3·(TiOx)或CaO·Al2O3·TiOx,蓝色物质为Al2TiO5.Ti-IF钢水口结瘤物中存在大量含钛结瘤物,生成这种低熔点含钛结瘤物是Ti-IF钢结瘤严重的根源.
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