The invention relates to the technical field of aluminum alloy production, in particular to a high-strength and high-precision superconductive aluminum alloy conductor rail profile and a preparation method thereof. The preparation method comprises the steps that raw materials are heated and melted according to the proportion that Si ranges from 0.35% to 0.45%, Fe ranges from 0.1% to 0.15%, Cu ranges from 0% to 0.005%, Mn ranges from 0% to 0.005%, Mg ranges from 0.4% to 0.6%, Cr ranges from 0% to 0.005%, Zn ranges from 0% to 0.05%, Ti ranges from 0% to 0.05%, the balance is Al and impurities, the single impurity is smaller than or equal to 0.05%, and the total amount of the impurities is smaller than or equal to 0.15%, molten aluminum is obtained and refined, and standing is carried out; online refining, degassing and filtering are carried out on the molten aluminum after standing; the filtered molten aluminum is cast and homogenized; and the homogenized product is subjected to extrusion, quenching, stretching, saw cutting and artificial aging treatment, and finally the aluminum alloy with high strength, high precision and superconductivity is manufactured and can be applied to rail transit high-end projects.

    本发明涉及铝合金生产技术领域,涉及一种高强、高精、超导铝合金导电轨型材及其制备方法,所述制备方法包括:将原材料按照Si0.35~0.45%,Fe0.1~0.15%,Cu0~0.005%,Mn0~0.005%,Mg0.4~0.6%,Cr0~0.005%,Zn0~0.005%,Ti0~0.05%,余量为Al和杂质,单个杂质≤0.05%,杂质总量≤0.15%的比例加热熔化,得到铝液并精炼、静置;将静置后的铝液在线细化、除气、过滤;过滤后的铝液进行铸造并进行均质处理;均质之后的产品进行挤压、淬火、拉伸、锯切和人工时效处理,最终制造出高强、高精、超导电率的铝合金,可应用于轨道交通高端项目中。


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    Title :

    High-strength and high-precision superconductive aluminum alloy conductor rail profile and preparation method thereof


    Additional title:

    一种高强、高精、超导铝合金导电轨型材及其制备方法


    Contributors:
    WANG CHENGGANG (author) / FANG TAO (author) / ZHAO SHUFENG (author) / SU BENXIAN (author) / CAI WENZONG (author) / LIU QIULING (author) / WANG CHUNHUA (author)

    Publication date :

    2021-10-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / C21D Veränderung der physikalischen Struktur von Eisenmetallen , MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS / C22B PRODUCTION OR REFINING OF METALS , Gewinnen oder Feinen von Metallen / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen / H01B CABLES , Kabel



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