1·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。
2·The effect of a kind of efficient grain refiner on the macrostructure of aluminum alloy was investigated.
本文研究了一种强有效的晶粒细化剂对铝合金宏观晶粒组织的影响。
3·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。
4·The result showed that after adding grain refiner, the hardness of magnesium alloys changed little while the impact toughness increased.
结果表明，添加细化剂后，镁合金的硬度变化不大，而冲击韧性提高。
5·The new preparation method of Al-Ti-C grain refiner was studied with aluminium ingot, potassium hexafluorotitanate, aluminium powder, hexachloroethane and carbon powder.
提出了利用铝锭、氟钛酸钾、铝粉、六氯乙烷和碳粉制备铝钛碳晶粒细化剂的新方法。
6·The improvement of the PTC characteristics was induced by the more oxide of the grain boundary of the refiner particle size and an increase of the Barium vacancy.
在高温下，由于钡空位的增加、晶粒较细晶界较多和晶界的氧化作用等增加了材料的PTC效应。