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P-RE-Sr复合变质对A390合金组织的影响
引用本文:王毅坚,姜峰,索忠源,张广安. P-RE-Sr复合变质对A390合金组织的影响[J]. 吉林化工学院学报, 2011, 0(9): 56-60
作者姓名:王毅坚  姜峰  索忠源  张广安
作者单位:吉林化工学院机电工程学院;辽宁工业大学材料科学与工程学院;
摘    要:通过加入P+RE+Sr对A390合金进行复合变质处理,并探讨了不同变质剂的不同变质工艺对该合金显微组织的影响.研究结果表明:当变质剂加入顺序采用先加P,变质温度为825℃,变质时间20min,接着加入RE,变质温度为825℃,变质时间10 min,再后加入Sr,变质温度为760℃,变质时间为30min,所得初晶硅尺寸为...

关 键 词:A390合金  组织细化  复合变质

Effects of P-RE-Sr composite modification on microstructure of A390Alloy
WANG Yi-jian,JIANG Feng,SUO Zhong-yuan,ZHANG Guang-an. Effects of P-RE-Sr composite modification on microstructure of A390Alloy[J]. Journal of Jilin Institute of Chemical Technology, 2011, 0(9): 56-60
Authors:WANG Yi-jian  JIANG Feng  SUO Zhong-yuan  ZHANG Guang-an
Affiliation:WANG Yi-jian1,JIANG Feng1,SUO Zhong-yuan1,ZHANG Guang-an2(1.College of Mechanical and Electrical Engineering,Jilin Institute of Chemical Technology,Jilin City 132022,China,2.College of Materials Science & Engineering,Liaoning University of Technology,Jinzhou 121001,China)
Abstract:The A390 alloy was refined by composite modification with P+RE+Sr.The effects of different modification technologies on microstructure were discussed.The results show that when the temperature is 825℃,the inoculant P is added firstly and the inoculant time is 10min.And then RE is added at 825℃ and the holding time is 10min.At last,Sr is added at 760℃ and the holding time is 30min.The primary silicon size obtained is from 25 to 30μm,double modification effects can be deserved;When this alloy is modificated with the casting temperature of 820℃,the primary silicon was distributed uniformly and non-segregation in the matrix structure.
Keywords:A390 alloy  structure refinement  composite modification  
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