Chin. Phys. Lett.  2006, Vol. 23 Issue (2): 417-419    DOI:
Original Articles |
Crystallization Kinetics of Co48Cr15Mo14C15B6Er2 Bulk Metallic Glass with High Thermal Stability
MEN Hua;PANG Shu-Jie;LI Ran;ZHANG Tao
Department of Materials Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083
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MEN Hua, PANG Shu-Jie, LI Ran et al  2006 Chin. Phys. Lett. 23 417-419
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Abstract We investigate the crystallization kinetics of Co48Cr15Mo14C15B6Er2 bulk metallic glass. It is found that Co48Cr15Mo14C15B6Er2 alloy shows extraordinary glass-forming ability, and a fully glassy rod with a diameter of 10,mm can be formed. Thermal analysis exhibits that this glassy alloy has a high thermal stability. Johnson--Mehl--Avrami analysis of isothermal differential scanning calorimetry demonstrates that the crystalline phases homogeneously nucleates at a constant rate and grows linearly at a constant rate in three dimensions in the supercooled liquid of the glassy alloy.
Keywords: 61.43.Dq      64.70.Pf      65.60.+a     
Published: 01 February 2006
PACS:  61.43.Dq (Amorphous semiconductors, metals, and alloys)  
  64.70.Pf  
  65.60.+a (Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc.)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y2006/V23/I2/0417
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