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首页> 外文期刊>Materials Science and Engineering. B, Solid-State Materials for Advanced Technology >Study of rare earth elements on the physical and mechanical properties of a Cu-Fe-P-Cr alloy
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Study of rare earth elements on the physical and mechanical properties of a Cu-Fe-P-Cr alloy

机译：稀土元素对Cu-Fe-P-Cr合金物理力学性能的影响

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摘要

The influence of rare earth elements (mischtnetall, containing mainly La and Ce) on a high-strength and high-conductivity Cu-Fe-P-Cr alloy was investigated by optical microscope (OM), scanning electron microscope (SEM), transmission electron microscope (TEM), resistivity analysis, hardness analyses, and tensile tests, etc. Experimental results show that appropriate addition of rare earth elements (Re) can effectively improve the physical properties (electrical conductivity and temperature to softening) and the mechanical properties of the alloy by facilitating the precipitation of the strengthening phases, making the strengthening particles finer and well dispersed in the matrix, refining the matrix microstructure, etc. Excessive addition of Re can deteriorate the properties of the alloys. The results were discussed in relating to the metal purifying and to the strengthening mechanism in Cu-Fe-P alloy.
机译：用光学显微镜（OM），扫描电子显微镜（SEM），透射电子学研究了稀土元素（米氏合金，主要含La和Ce）对高强度高导电Cu-Fe-P-Cr合金的影响。显微镜（TEM），电阻率分析，硬度分析和拉伸试验等。实验结果表明，适当添加稀土元素（Re）可以有效地改善材料的物理性能（电导率和软化温度）和机械性能。通过促进强化相的析出，使强化颗粒更细，更好地分散在基体中，细化基体的微观结构等，使合金合金化。过量添加Re会降低合金的性能。讨论了与Cu-Fe-P合金中金属净化和强化机理有关的结果。

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