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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >The microstructure development in Fe_(32)Cu_(20)Ni_(28)P_(10)Si_5B_5 immiscible alloy and possibilities of formation of amorphous/crystalline composite
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The microstructure development in Fe_(32)Cu_(20)Ni_(28)P_(10)Si_5B_5 immiscible alloy and possibilities of formation of amorphous/crystalline composite

机译：Fe_（32）Cu_（20）Ni_（28）P_（10）Si_5B_5不混溶合金的显微组织发展及形成非晶/晶体复合材料的可能性

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摘要

The microstructures of Fe_(32)Cu_(20)Ni_(28)P_(10)Si_5B_5 alloy representing the effects of slow cooling after arc melting and rapid cooling after melt spinning are shown. The slow cooling rate resulted in the fractal-like structures formed by the Fe-rich regions and Cu-rich regions typical for the alloying systems with a miscibility gap. The structures observed after rapid cooling were dependent on ejection temperatures of the alloy just before the melt spinning process. The lower ejection temperatures created crystalline structures separated into Fe-rich and Cu-rich regions as a result of rapid cooling within the miscibility gap. The higher ejection temperatures contributed to formation of amorphous/crystalline composite. The crystalline spherical precipitates were found to be predominantly Cu-base solid solution.
机译：显示了Fe_（32）Cu_（20）Ni_（28）P_（10）Si_5B_5合金的微观结构，代表了电弧熔化后缓慢冷却和熔融纺丝后迅速冷却的影响。缓慢的冷却速度导致由合金系统典型的富铁区域和富铜区域形成具有分相溶隙的分形结构。快速冷却后观察到的组织取决于熔体纺丝工艺之前合金的喷射温度。较低的喷射温度由于在混溶间隙内的快速冷却而产生了分成富铁和富铜区域的晶体结构。较高的喷射温度有助于非晶/晶体复合物的形成。发现结晶的球形沉淀物主要是Cu基固溶体。

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