获得用于合金化高锰钢和铸铝合金的复杂母合金

M. Voron, Y. Kostetsky, Marina Fon Pruss
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引用次数: 0

摘要

该工作致力于获得一种复杂的Al-Mn-Fe母合金,用于精确合金化含铝高锰钢以及在铝合金生产过程中添加添加剂。由于铝的密度低、熔化温度低,在炼钢过程中向钢中大量添加铝是一项特别困难的任务。一种比铝密度更高、熔化温度更高的铝锰铁复合母合金可作为精密合金化金属铝的替代材料。这种母合金也可用于制备传统的铸造铝合金和特殊的抗蠕变铝基合金。本研究以锰铁和废铝等廉价原料为原料,采用电子束铸造技术(EBCT)制备了主合金。由于工艺的特殊性,有可能获得主要成分含量高、碳含量低的合金。制备的主合金Al-17Mn-4Fe的密度为3.8 g/cm3,具有特殊的结构,其相的熔点明显高于纯铝。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GETTING A COMPLEX MASTER ALLOY FOR ALLOYING HIGH-MANGANESE STEELS AND CAST ALUMINUM ALLOYS
The work is dedicated to obtaining a complex Al-Mn-Fe master alloy for precise alloying high-manganese steels with aluminum high content as well as for making additions during aluminum alloys production. The addition of aluminum large quantity to steel during steelmaking is an especially difficult task, because of the low density and melting temperature of aluminum. A complex Al-Mn-Fe master alloy with more high density and melting temperature then aluminum may be proposed as an alternative for metal aluminum at precise steel alloying. Such master alloy also may be useful for preparing traditional cast aluminum alloys and special creep-resistant Al-based alloys. In this investigation, the master alloy was prepared via electron-beam casting technology (EBCT) with using cheap raw materials like ferromanganese and aluminum scrap. It was established there is a possibility to obtain an alloy with a high content of main components and low content of carbon due to the process peculiarities. The prepared master alloy Al-17Mn-4Fe has a density of 3.8 g/cm3 and a specific structure, that contains phases with a significantly higher melting point than pure aluminum.
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