Low Temperature Specific Heat and Thermal Stability of Fe–B Ultrafine Amorphous Alloy Particles |
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| Authors: | Wang L Tan Z C Meng S H Liang D B Ji S J Hei Z K |
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| Institution: | (1) Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China;(2) Environmental Engineering Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China;(3) Institute of Material and Technology, Dalian Maritime University, Dalian, 116026, China |
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| Abstract: | Fe–B ultrafine amorphous alloy particles (UFAAP) were prepared by chemical reduction of Fe3+ with NaBHO4 and confirmed to be ultrafine amorphous particles by transmission electron microscopy and X-ray diffraction. The specific
heat of the sample was measured by a high precision adiabatic calorimeter, and a differential scanning calorimeter was used
for thermal stability analysis. A topological structure of Fe-B atoms is proposed to explain two crystallization peaks and
a melting peak observed at T=600, 868 and 1645 K, respectively.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | DSC Fe– B amorphous alloy specific heat thermal stability ultrafine particle |
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