Crystallization behavior of binary metallic glasses containing Pt |
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Authors: | Sung H Whang |
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Institution: | Barnett Institute of Chemical Analysis & Materials Science, Northeastern University, Boston, MA 02115, USA |
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Abstract: | Binary MPt glasses were made by rapid quenching from liquid, where M is Ti, Zr, and Hf. Glass forming compositions were found near eutectics in TiPt, ZrPt and HfPt. Isothermal crystallization for Zr75Pt25 was studied at a temperature range from 780 to 792 K. The non-isothermal transformation was measured by differential scanning calorimetry with heating rates from 5 to 160 K/min. Activation energy for crystallization was obtained from the non-isothermal heating, which is consistent with that from the isothermal annealing. |
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