Several methods for refining grains including annealing, adding grain refiner and quenching were discussed.

讨论了细化晶粒的几种方法:退火 、 添加晶粒细化剂和激冷.

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Built two product lines of metal powder and aluminum alloy additive 、 metal additive, grain refiner.

建立了金属粉末和铝熔铸业用熔剂、金属添加剂 、 细化剂两套生产线.

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The review about the recent research results and the development status of grain refiner is presented.

综述近些年来铝合金晶粒细化剂的研究与应用状况.

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