The microstructure of AlTiB refiner and a new type of AlTiBRe master alloy refiner are studied and compared by the application of OM,XRD,SEM and EDAX.

• 用OM、XRD、SEM、EDAX等对经不同制备工艺获得的AlTiB和新型AlTiBRE中间合金细化剂进行了微观组织的观察分析比较。