The contour and microstructures of the carbon or quartz ceramic rollers used in the continuous annealing furnaces in the Silicon Steel Sheet Mill and the Cold Rolling Mill are analyzed.

• 对硅钢厂、冷轧厂连续退火炉所用碳套辊、石英陶瓷辊的形貌与显微结构进行了分析,认为表面的光洁平整程度与孔洞的形状影响辊子的使用寿命;