金属学报  1982, Vol. 18 Issue (6): 696-702

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金属玻璃的粘度及粘滞性流变激活能

高逸群;郑福前;刘雄;廖宗尧

冶金工业部贵金属研究所;冶金工业部贵金属研究所;冶金工业部贵金属研究所;冶金工业部贵金属研究所

VISCOSITY OF METALLIC GLASSES PdCu_6Si_(16.5), PdNi_6Si_(16.5) AND CuZr_(43) AND THEIR ACTIVATION ENERGIES OF VISCOUS FLOW

Gao Yiqun; Zheng Fuqian; Liu Xiong; Liao Zongyao (Institute of Precious Metals; Kunming)

高逸群;郑福前;刘雄;廖宗尧. 金属玻璃的粘度及粘滞性流变激活能[J]. 金属学报, 1982, 18(6): 696-702.
, , , . VISCOSITY OF METALLIC GLASSES PdCu_6Si_(16.5), PdNi_6Si_(16.5) AND CuZr_(43) AND THEIR ACTIVATION ENERGIES OF VISCOUS FLOW[J]. Acta Metall Sin, 1982, 18(6): 696-702.

摘要 参考文献 相关文章 Metrics 全文: PDF(570 KB)   摘要: 用蠕变法测量了PdCu_6Si_(16.5),PdNi_6Si_(16.5)和CuZr_(43)三种金属玻璃在玻璃转变温度附近的粘度-温度依赖关系。在Newtonian粘度范围内,三种玻璃的粘度-温度依赖关系均可用Fulcher-Vogel方程进行描述。方程中的常数由实验曲线所确定,并由此计算出这些玻璃的粘滞性流变的表观激活能。同时用差热分析测定了金属玻璃PdNi_6Si_(16.5)和CuZr_(43)的热转变激活能。结果发现,PdNi_6Si_(16.5)合金的粘滞性流变激活能同热转变激活能的差别很小,而CuZr_(43)合金的差别则比较大。 Abstract：The temperature dependence upon the viscosity of three metallic glasses PdCu_6Si_(16.5), PdNi_6Si_(16.5) and CuZr_(43) has been determined by the creep method near the vitrification temperature tange. Under the Newtonian viscous region, this dependence may be described by the Fulcher-Vogel equation. The constants of this equation were determined experimentally and the apparent activation energy of viscous flow for these three glasses was calculated therefrom. The activation energies of thermal transformation of the glasses PdNi_6Si_(16.5) and CuZr_(43) were also determined by differential scanning calorimetry. It was found that there is no appreciable difference in activation energy between viscous flow and thermal transformation for PdNi_6Si_(16.5), but marked for CuZr_(16.5). 收稿日期: 1982-06-18      服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 高逸群 郑福前 刘雄 廖宗尧 44.8K 链接本文: https://www.ams.org.cn/CN/      或      https://www.ams.org.cn/CN/Y1982/V18/I6/696 1 Chen, H, S.; Turnbull, D., J. Chem. Phys., 48(1968) , 2560． 2 Chen, H, S.; Goldstein, M., J. Appl. Phys., 43(1972) , 1642． 3 Chen, H. S.; J. Non-Cryst. Solids, 22(1976) , 135． 4 Turnbull, D.; Cohen, M. H., J. Chem. Phys., 52(1970) , 3038． 5 Spaepen, F., Acta Metall., 25(1971) , 407． 6 Ramachandrarao, P.; Cantor, B.; Cahn, R. W., J. Mater. Sci., 12(1977) , 2488． 7 Chen, H. S., J. Non-Cryst. Solids, 29(1978) , 223． 8 Chen, H. S., ibid., 27(1978) , 257． 9 Anderson, P. M., Ⅲ; Lord, A. E., Jr., ibid., 37(1980) , 219． 10 Gao Yi-Qun; Zheng Fu-Qian; Liu Xiong; Ning Yuan-Tao, Proc. 4th Int. Conf. on Rapidly Quenched Metals, Sendai, 1981, Eds. Masumoto, T.; Suzuki, K., JIM, 1981, p. 727． 11 Chen, H. S., Appl. Phys. Lett., 29(1976) , 12． No related articles found! Viewed Full text Abstract Cited   Shared      Discussed