The invention discloses an aluminum alloy as well as a preparation method and application thereof, and the aluminum alloy comprises the following components in percentage by mass: 7.0-9.5% of Si, less than or equal to 0.5% of Ce, less than or equal to 0.2% of B, less than or equal to 0.5% of Mg, 0.6-1.0% of Fe, less than or equal to 0.5% of La and 0.01-0.06% of Sr. The rest elements are impurity elements, the content of a single impurity element is less than 0.03%, and the total amount of the impurity elements is less than 0.15%; and the balance of aluminum. In the aluminum alloy, the length range of the needle-shaped iron phase beta-Al5FeSi is 15-50 microns, and the secondary dendritic crystal spacing range is 10-50 microns.

    本发明公开了一种铝合金及其制备方法和应用,按照质量百分比计算,所述铝合金包括如下组分:Si为7.0‑9.5%,Ce≤0.5%,B≤0.2%,Mg≤0.5%,Fe为0.6‑1.0%,La≤0.5%,Sr为0.01‑0.06%;其余元素均为杂质元素,且单个杂质元素的含量小于0.03%,所述杂质元素的总量小于0.15%;余量为铝;所述铝合金中,针状铁相β‑Al5FeSi的长度范围为15‑50μm,且二次枝晶间距范围为10~50μm。


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    Title :

    Aluminum alloy and preparation method and application thereof


    Additional title:

    一种铝合金及其制备方法和应用


    Contributors:
    OU FAQIANG (author)

    Publication date :

    2024-11-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS , Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen



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