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AL-TI-B细化剂是提高铝及其合金铸锭质量的重要途径,介绍了AL-TI-B-RE晶粒细化剂的生产和应用效果“,”Al-Ti-B-RE grain refiner is important to improving the ingot quality of aluminium and its alloys.The production and effectiveness of Al-Ti-B-RE grain refiner is presented.