Stability and mechanical properties of two metallic glasses.

Taş, Nilgün


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In this work, stability of graphene nanoribbons are investigated using molecular dynamics. Simulations include heating armchair and zigzag-edged nanoribbons of widths varying between one and nine hexagonal rings until the bonds between carbon atoms start to break. Breaking temperatures and binding energies per atom for different widths are presented for both armchair and zigzag-edged cases. A nontrivial relation between stability and width is observed and discussed.
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Double emulsion technology has potential effect on development of diversity and quality of functional foods by decreasing the oil and salt concentration, encapsulating and controlled release of valuable components. In this study, it was aimed to formulate stable double emulsions to be used for reduction of oil content of mayonnaise samples. W1/O ratios of primary emulsions, stabilized by polyglycerol polyricinoleate, were designed as 2:8, and 4:6, and (W1/O)/W2 ratios of double emulsions were 2:8, and 4:6. ...
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We present the precision measurement of 2824 daily helium fluxes in cosmic rays from May 20, 2011 to October 29, 2019 in the rigidity interval from 1.71 to 100 GV based on 7.6×108 helium nuclei collected with the Alpha Magnetic Spectrometer (AMS) aboard the International Space Station. The helium flux and the helium to proton flux ratio exhibit variations on multiple timescales. In nearly all the time intervals from 2014 to 2018, we observed recurrent helium flux variations with a period of 27 days. Shorter...
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The structural stability of carbon nanoonion C-20@C-60@C-240 has been investigated by performing molecular dynamics computer simulations. Calculations have been realized by using an empirical many-body potential energy function for carbon. It has been found that carbon nanoonion is not so resistive against heat treatment, nor is it as strong as isolated single carbon nanoballs. Although single nanoballs resist heat treatment up to 4300 K, nanoonion disintegrates after 2600 K.
Citation Formats
N. Taş, “Stability and mechanical properties of two metallic glasses.,” Middle East Technical University, 1983.