Solid State Amorphization of Ti60Si40 Alloy via Mechanical Alloying

The effect of milling time on the microstructure evolution and formation of amorphous phase of Ti60Si40 alloy produced by mechanical alloying (MA) has been investigated. Laser diffraction, Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Differe...

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Veröffentlicht in:Key engineering materials 2021-02, Vol.876, p.7-12
Hauptverfasser: Fernández, Fátima Ternero, Cintas Físico, Jesus, Urban, Petr, Lopez, Raquel Astacio, Louvier, Rosa María Aranda
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creator Fernández, Fátima Ternero
Cintas Físico, Jesus
Urban, Petr
Lopez, Raquel Astacio
Louvier, Rosa María Aranda
description The effect of milling time on the microstructure evolution and formation of amorphous phase of Ti60Si40 alloy produced by mechanical alloying (MA) has been investigated. Laser diffraction, Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM) and Differential Scanning Calorimetry (DSC) were employed to characterize the particle size, morphology and structure of mechanically alloyed Ti60Si40. When the milling time is increased to 20 h, the particle size decreases from 23.7 to 4.7 μm, the shape of the particles changes to spherical and the crystalline structure is transformed into an amorphous phase. The amorphous Ti60Si40 alloy is stable when heating up to 750oC. Above this temperature, the cold crystallization of the intermetallic compounds Ti5Si3 and/or Ti5Si4 begins.
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subjects Amorphization
Amorphous alloys
Amorphous structure
Cold crystallization
Intermetallic compounds
Mechanical alloying
Particle size
Scanning electron microscopy
title Solid State Amorphization of Ti60Si40 Alloy via Mechanical Alloying
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