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金属学报  1994, Vol. 30 Issue (4): 150-154    
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快速凝固Al─Fe基合金条带中准晶相的形成及稳定性
关绍康;汤亚力;沈宁福;胡汉起
郑州工学院;北京科技大学
FORMATION AND STABILITY OF QUASICRYSTALLINE PHASE IN RS Al-Fe BASED ALLOY RIBBON
GUAN Shaokang; TANG Yali; SHEN Ningfu(Zhengzhou Institute of Technology);HU Hanqi(University of Science and Technology Beijing)(Manuscript received 8 April; 1993; in revised form 14 June; 1993)
引用本文:

关绍康;汤亚力;沈宁福;胡汉起. 快速凝固Al─Fe基合金条带中准晶相的形成及稳定性[J]. 金属学报, 1994, 30(4): 150-154.
, , , . FORMATION AND STABILITY OF QUASICRYSTALLINE PHASE IN RS Al-Fe BASED ALLOY RIBBON[J]. Acta Metall Sin, 1994, 30(4): 150-154.

全文: PDF(338 KB)  
摘要: 对快速凝固Al─Fe基合金的原始条带及退火组织进行了透射电镜分析.结果表明.原始条带截面组织按准晶形成可分成三个区域:无准晶区;准晶形成区;准晶分解区,在698K保温1h发现中间区的准晶开始晶化.组织形貌类同铸态组织的准晶分解区,说明准晶的晶化是在凝固过程中进行的、并且始于准晶与基体界面处
关键词 Al─Fe基合金快速凝固准晶相    
Abstract:The microstructures of as-cast and annealed ribbons of the RS Al-Fe based alloys have been studied by TEM and energy dispersive X-ray spectrometer. Microstructure of the cross-section ribbons revealed as three areas: with or without quasicrystalline phase and with decomposed quasicrystalline particles.The quasicrystalline in the middle area began to crystallize during annealing at 698 K for 1 h and the resultant microstructure is similar to that of as-cast free-side section,indicating that the crystallization of quasicrystalline phase occurred during solidification and at the interface between quasicrystalline phase and matrix.Correspondent: GUAN Shaokang, Research Centre for Materials, Zhengzhou Institute of Technology,Zhengzhou 450002
Key words Al-Fe based alloy    rapid solidification    quasicrystalline phase
收稿日期: 1994-04-18     
基金资助:国家863高技术资助
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