液相淬火二元非晶态合金形成条件的实验探讨

金属学报

1984, Vol. 20

Issue (1): 78-86

论文

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液相淬火二元非晶态合金形成条件的实验探讨

刘志毅

中国科学院物理研究所

EXPERIMENTAL STUDY OF CONDITION FOR BINARY AMORPHOUS ALLOYS FORMATION BY LIQUID QUENCHING

LIU Zhiyi(Institute of Physics; Academia Sinica; Beijing)(Manuscript received 2 August; 1982; revised manuscript 19 November; 1982)

引用本文:

刘志毅. 液相淬火二元非晶态合金形成条件的实验探讨[J]. 金属学报, 1984, 20(1): 78-86.
. EXPERIMENTAL STUDY OF CONDITION FOR BINARY AMORPHOUS ALLOYS FORMATION BY LIQUID QUENCHING[J]. Acta Metall Sin, 1984, 20(1): 78-86.

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摘要: 本文从实验出发,着重对过渡金属二元合金系非晶态形成问题进行了探讨,发现在二元系中深共晶点附近存在着熔点T_m与深共晶温度接近的、由包晶(或包析)反应形成或固、液同组分Laves相、A_3B型等化合物的合金体系,非晶态形成倾向较大。由深共晶点与这种化合物(一个或多个)组分之间形成“深共晶峡谷”,其组分都有较大的非晶态形成倾向,非晶态新合金系应当扩展到平衡相具有上述特征的化合物,如包晶反应形成的化合物的合金体系中去寻找,而不应当被判据所约束。本文报道了Hf-Pd新非晶态合金系的制备。并在Sm-Fe二元系中获得了典型的非晶态结构。对上述类型化合物增大其非晶态形成倾向的原因进行了探讨。

Abstract：An experimental study was carried out on the formation condition of the amorphous state of binary alloys of transition metals. Intermediate phase (incongruent-melting compounds of lower melting temperature and congruent-melting compounds of lower melting temperature)might affect the formation of the amorphous state. A so called "deep eutectic gorge" composition tends more strongly to form an amorphous state. A new amorphous state of binary alloys Hf-Pd has been prepared.A typical structure of amorphous state in binary alloys Sm-Fe was obtained.

收稿日期: 1984-01-18

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