Crystallization of quasicrystals

K. F. Kelton

doi:10.1080/01411598908245710

Crystallization of quasicrystals

K. F. Kelton

Department of Physics

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

We present an overview of our work on the crystallization of the icosahedral phase in Al₁₀₀__xMn_x, Ti100-xMn, and Pd_58.8U_20.6Si_20.6alloys and compare our results with those of others. Evidence presented suggests that the icosahedral phase in Ti₆₀Mn₃₇Si3 may be stable below 1100 K. The origin of arcs of diffuse scattering in TEM diffraction patterns is discussed in light of new experimental data in i-phase Ti-Mn. A model that simulates directly the i-phase transformation under isothermal and nonisothermal conditions is presented and used to analyze kinetic data for Al₈6Mn₁₄alloys to obtain the first estimate for the interfacial energy between the i-phase and the crystal: σ_i-c= 0.03 J/m². This is similar to the interfacial energies between crystalline metals and their liquids at the interfacial melting temperature.

Original language	English
Pages (from-to)	367-381
Number of pages	15
Journal	Phase Transitions
Volume	16
Issue number	1-4
DOIs	https://doi.org/10.1080/01411598908245710
State	Published - Jun 1 1989

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10.1080/01411598908245710

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title = "Crystallization of quasicrystals",

abstract = "We present an overview of our work on the crystallization of the icosahedral phase in Al100\_xMnx, Ti100-xMn, and Pd58.8U20.6Si20.6alloys and compare our results with those of others. Evidence presented suggests that the icosahedral phase in Ti60Mn37Si3 may be stable below 1100 K. The origin of arcs of diffuse scattering in TEM diffraction patterns is discussed in light of new experimental data in i-phase Ti-Mn. A model that simulates directly the i-phase transformation under isothermal and nonisothermal conditions is presented and used to analyze kinetic data for Al86Mn14alloys to obtain the first estimate for the interfacial energy between the i-phase and the crystal: σi-c= 0.03 J/m2. This is similar to the interfacial energies between crystalline metals and their liquids at the interfacial melting temperature.",

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AU - Kelton, K. F.

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N2 - We present an overview of our work on the crystallization of the icosahedral phase in Al100_xMnx, Ti100-xMn, and Pd58.8U20.6Si20.6alloys and compare our results with those of others. Evidence presented suggests that the icosahedral phase in Ti60Mn37Si3 may be stable below 1100 K. The origin of arcs of diffuse scattering in TEM diffraction patterns is discussed in light of new experimental data in i-phase Ti-Mn. A model that simulates directly the i-phase transformation under isothermal and nonisothermal conditions is presented and used to analyze kinetic data for Al86Mn14alloys to obtain the first estimate for the interfacial energy between the i-phase and the crystal: σi-c= 0.03 J/m2. This is similar to the interfacial energies between crystalline metals and their liquids at the interfacial melting temperature.

AB - We present an overview of our work on the crystallization of the icosahedral phase in Al100_xMnx, Ti100-xMn, and Pd58.8U20.6Si20.6alloys and compare our results with those of others. Evidence presented suggests that the icosahedral phase in Ti60Mn37Si3 may be stable below 1100 K. The origin of arcs of diffuse scattering in TEM diffraction patterns is discussed in light of new experimental data in i-phase Ti-Mn. A model that simulates directly the i-phase transformation under isothermal and nonisothermal conditions is presented and used to analyze kinetic data for Al86Mn14alloys to obtain the first estimate for the interfacial energy between the i-phase and the crystal: σi-c= 0.03 J/m2. This is similar to the interfacial energies between crystalline metals and their liquids at the interfacial melting temperature.

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DO - 10.1080/01411598908245710

M3 - Article

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SN - 0141-1594

VL - 16

SP - 367

EP - 381

JO - Phase Transitions

JF - Phase Transitions

IS - 1-4

ER -

Crystallization of quasicrystals

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