FORMATION AND STABILITY OF QUASICRYSTALLINE PHASE IN RS Al-Fe BASED ALLOY RIBBON

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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https://www.ams.org.cn/EN/ OR https://www.ams.org.cn/EN/Y1994/V30/I4/150

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