Al2O3 adhesion on the innerface of submerged nozzles decreases the productivity greatly in continuous casting process of steel-making industry.

• 连铸工艺中Al2O3在浸入式水口内壁附着造成的堵塞严重影响了生产效率，开发防止Al2O3附着的新材料成为解决这一问题的主要方向。