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Title: Crystallization kinetics of Nix Ti100-x (x=35,40) glasses before and after high energy heavy ion irradiation
Authors: Jain, Rohit
Saxena, N S
Bhandari, Deepika
Sharma, S K
Keywords: Amorphous alloys;Crystallization;Crystallization kinetics;Glasses
Issue Date: Jun-2003
Publisher: NISCAIR-CSIR, India
Abstract: Non-isothermal crystallization process in amorphous alloys Ni35Ti65 and Ni40Ti60 before and after high-energy heavy ion irradiation with 150 MeV Ni+11 ions have been investgated using differential scanning calorimetry (DSC). The alloys have been irradiated with fluences varying between 1 ×1011 and 1 × 1013 ions/ cm-2. DSC traces have been analyzed in terms of activation energy for crystallization, Avrami exponent dimensionality of growth by using four different models viz. Kissinger equation [J Res NBS, 57 (1956) 2 17], Ozawa equation [Bull Chem Soc Jpn , 35 (1956) 881], Matusita equation [J Mater Sci, 19 (1986) 291] and Gao and Wang equation [J Non-Cryst Solids, 87 (1980) 129]. No effect of heavy ion irradiation of above mentioned energy, on the crystallization kinetics has been found.
Page(s): 457-461
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.41(06) [June 2003]

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