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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 327Ti50Fe25Ni25 Amorphous Alloy Prepared by...

Ti₅₀Fe₂₅Ni₂₅ Amorphous Alloy Prepared by Mechanical Alloying

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Abstract:

A new ternary Ti-based amorphous alloy, Ti₅₀Fe₂₅Ni₂₅, is prepared by the mechanical alloying. The milling is performed in a high-energy planetary ball mill under argon atmosphere. Fully Ti₅₀Fe₂₅Ni₂₅ amorphous alloy powder is obtained after milled 160h. The milling speed is 300rpm and the weighs ratio of ball to powder is 10:1. The structural features are studied by X-ray diffraction and field emission scanning electron microscope, and the thermal stability is investigated by a differential scanning calorimeter. The super-cooled liquid region of the amorphous alloy increases from 98K to 119K as the heating rate increasing from 10K/min to 40K/min. The effective activation energy of crystallization is estimated with modified Kissinger’s plot. The initial crystallization activation energy E_x1 and the first crystallization peak E_p1 are 155.9KJ/mol and 188.5KJ/mol, respectively.

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Advances in Materials Science (MSCS)

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Periodical:

Advanced Materials Research (Volume 327)

Pages:

76-80

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.327.76

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Online since:

September 2011

Authors:

Yu Ying Zhu, Qiang Li, Yun Hua He, Ge Wang, Xing Hua Wang

Keywords:

Amorphous Alloy, Mechanical Alloying (MA), Ti₅₀Fe₂₅Ni₂₅

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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