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Acta Metall Sin  1994, Vol. 30 Issue (4): 150-154    DOI:
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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)
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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). FORMATION AND STABILITY OF QUASICRYSTALLINE PHASE IN RS Al-Fe BASED ALLOY RIBBON. Acta Metall Sin, 1994, 30(4): 150-154.

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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     
Received:  18 April 1994     
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