| Autor: |
Tao, Ping Jun, Yang, Yuan Zheng, Bai, Xiao Jun, Wen, Jian Guo, RU, Qiang |
| Zdroj: |
Advanced Materials Research; October 2010, Vol. 146 Issue: 1 p615-618, 4p |
| Abstrakt: |
A Cu55Zr40Al5 bulk metallic glass (BMG) was prepared by using copper-mold suction-casting and the structure and thermal stabilities of the amorphous alloy as well as the effect of isothermal annealing on its micro-hardness and friction property were studied. The results showed the glass transition temperature, onset temperature of exothermic reaction, and temperature interval of supercooled liquid region are 746.8 K, 793.5 K and 46.7 K, respectively. The BMG exhibits a micro-hardness value of 483.5 Hv and an average friction coefficient of 0.495. After isothermal annealing treatment, the micro-hardness has been enhanced and presents an upward trend with increasing the annealing temperatures. Meanwhile, the friction coefficients can be significantly decreased and the anti-wear property has been enhanced evidently. |
| Databáze: |
Supplemental Index |
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