Kinetics of Overall Crystallization: Kinetic Criteria for Glass-Formation

2013 ◽  
pp. 395-415
Author(s):  
Ivan S. Gutzow ◽  
Jürn W. P. Schmelzer
Keyword(s):  
Glass Formation ◽  
Crystallization Kinetic ◽  
Kinetics Of

Kinetics of Foam Glass Formation with Different Heating Rates

2016 ◽  
Vol 73 (7-8) ◽  
pp. 237-239 ◽  
Author(s):  
V. V. Samoilenko ◽  
T. K. Uglova
Keyword(s):  
Glass Formation ◽  
Foam Glass ◽  
Heating Rates ◽  
Kinetics Of

Glass Formation Ability and Kinetics of the Gd 55 Al 20 Ni 25 Bulk Metallic Glass

2006 ◽  
Vol 23 (3) ◽  
pp. 672-674 ◽  
Author(s):  
Jo Chol-Lyong ◽  
Xia Lei ◽  
Ding Ding ◽  
Dong Yuan-Da
Keyword(s):  
Metallic Glass ◽  
Bulk Metallic Glass ◽  
Glass Formation ◽  
Glass Formation Ability ◽  
Kinetics Of

Glass Formation and Nanostructure Development in Al-Based Alloys

1999 ◽  
Vol 581 ◽  
Author(s):  
R. I. Wu ◽  
G. Wilde ◽  
J. H. Perepezko
Keyword(s):  
Metallic Glasses ◽  
Glass Formation ◽  
Amorphous Matrix ◽  
Particle Density ◽  
Number Density ◽  
Scanning Calorimetry ◽  
Cold Rolled ◽  
Fe Alloys ◽  
Rate Limiting ◽  
Kinetics Of

ABSTRACTAl-Sm and Al-Y-Fe alloys with a high number density of nanocrystalline fcc-Al homogeneously dispersed within the amorphous matrix have been synthesized by devitrifying the precursor metallic glasses produced by rapid solidification. The kinetics of metallic glass formation and the development of the nanostructure during devitrification are discussed in terms of the rate limiting mechanism. The glass transition temperature of the two metallic glasses has been successfully assessed with the application of the modulated-temperature differential scanning calorimetry (DDSC). In addition, the formation of quenched-in nuclei was investigated by a comparison study on the cold-rolled and melt-spun Al92Sm8 amorphous samples. Furthermore, the enhancement of the particle density of the fcc-Al nanocrystals in the amorphous matrix after devitrification has been demonstrated by the incorporation of nanosize Pb particles.

Crystallization Kinetics in Cu64.5Zr35.5 Binary Metallic Glass

2017 ◽  
Vol 727 ◽  
pp. 233-238 ◽  
Author(s):  
Qian Gao ◽  
Zeng Yun Jian ◽  
Jun Feng Xu ◽  
Man Zhu
Keyword(s):  
Activation Energy ◽  
Grain Growth ◽  
Crystallization Kinetics ◽  
Crystallization Process ◽  
Crystallization Kinetic ◽  
Heating Rates ◽  
Scanning Calorimetry ◽  
Growth Activation ◽  
Local Activation Energy ◽  
Kinetics Of

The crystallization kinetics of melt-spun Cu64.5Zr35.5 amorphous alloy ribbons was investigated using differential scanning calorimetry (DSC) at different heating rates. Besides, the Kissinger and isoconversional approaches were used to obtain the crystallization kinetic parameters. As shown in the results, the activation energies for glass transition and crystallization process at the onset, peak and end crystallization temperatures were obtained by means of Kissinger equation to be 577.65 ± 34, 539.86 ± 54, 518.25 ± 20 and 224.84 ± 2 kJ/mol, respectively. The nucleation activation energy Enucleation is greater than grain growth activation energy Egrowth, indicating that the nucleation process is harder than grain growth. The local activation energy Eα decreases in the whole crystallization process, which suggests that crystallization process is increasingly easy.

scholarly journals Contribution to the kinetics of glass formation from solutions

1982 ◽  
Vol 48 (1) ◽  
pp. 65-77 ◽  
Author(s):  
H Schmidt ◽  
H Scholze ◽  
A Kaiser
Keyword(s):  
Glass Formation ◽  
Kinetics Of

Comparative Investigation of Se–Te–M (M = Sb, Ge) Semiconducting Glassy Alloys: Thermal Characterization

2020 ◽  
Vol 12 (1) ◽  
pp. 65-69
Author(s):  
Vandita Rao ◽  
H. P. Pathak ◽  
Pooja Lohia ◽  
D. K. Dwivedi
Keyword(s):  
Activation Energy ◽  
Glass Transition ◽  
Crystallization Kinetic ◽  
Thermal Characterization ◽  
Comparative Investigation ◽  
Glassy Alloys ◽  
Activation Energy Of Crystallization ◽  
Thermal Measurements ◽  
Kinetics Of ◽  
Change Memory

Structural and thermal measurements have been performed in glassy Se78Te18M4 (M = Sb and Ge) alloys to study the effect of Sb and Ge additives on the kinetics of glass transition and crystallization. Kinetic parameters of glass transition and crystallization such as the activation energy of glass transition (Eg), the activation energy of crystallization (Ec) have been determined using different non-isothermal methods. It was found that Ge was more suitable dopant for phase change memory (PCM) devices due to its low activation energies as compared to Sb dopant.

Sign in / Sign up

Export Citation Format

Share Document