航空学报 > 1994, Vol. 15 Issue (11): 1395-1397

熔体热历史对快凝铝铁基合金显微组织不均匀性的影响

关绍康1, 汤亚力1, 沈宁福1, 胡汉起2   

  1. 1. 郑州工学院材料科学与工程系,郑州,450002;2. 北京科技大学冶金系,北京,100083
  • 收稿日期:1993-05-19 修回日期:1993-09-16 出版日期:1994-11-25 发布日期:1994-11-25

EFFECT OF THERMAL HISTORY IN MELT ON THE INHOMOGENEITY OFMICROSTRUCTURE IN RS Al-Fe BASED ALLOY

Guan Shaokang1, Tang Yali1, Shen Ningfu1, Hu Hanqi2   

  1. 1. Department of Materials science and Engineering, Zhengzhou Institute of Technology,Zheng zhou 450002;2. Department of Metallurgy, University of Scienee and Technology Beijing,Beijing,100083
  • Received:1993-05-19 Revised:1993-09-16 Online:1994-11-25 Published:1994-11-25

摘要: 研究合金熔体热历史对快凝Al一Fe基合金显微组织不均匀性的影响。结果表明:在熔体温度为1250~1350℃,保温时间为10min的热历史条件下,快凝显微组织中可得到在过饱和固溶体a-Al基体上均匀分布着20~40nm的bccAl12(Fe,V)Si弥散相组织。

关键词: 熔体, 快速固化, 铝合金, 微观结构

Abstract: Effect of thermal history in meit on inhomogeneity of microstructure in RS Al-Fe based alloy is studied. It is showp tha t the microstructure of welledistri buted 20~40nm bec Al12(Fe,V)3 Si dispersion phase on a supersatu ratedo-Al solid solution matrix is obtained at melt temperature l250~1350℃for l0 minutes in RS microstructure.

Key words: melts, rapid solidification, aluminum alloys, microstructure

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