The invention provides a FeCrNiCuTi high-entropy alloy and a preparation method and application thereof, and the composition chemical formula of the FeCrNiCuTi high-entropy alloy is FeCrNiCuTix, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 lt, 0 Xlt; 1. The FeCrNiCuTi high-entropy alloy provided by the invention has excellent comprehensive mechanical properties, and the Vickers hardness of the FeCrNiCuTi high-entropy alloy is gt; the yield strength can reach 327 HV, especially 650 HV, and the yield strength is gt; the pressure is 523 MPa, the highest pressure can reach 1464 MPa, and the compressive strength is gt; according to the invention, the prepared material has the advantages of high hardness, high strength and good wear resistance, can reach 1276MPa and up to 1947MPa, has the average friction coefficient of 0.47-0.62, and can meet the use requirements of shield tunneling machine drill bits, steamship propeller parts and other harsh working conditions; the preparation method adopts existing industrial production equipment, is easy to operate and low in cost, and can be applied to large-scale production.

    本发明提供了一种FeCrNiCuTi高熵合金及其制备方法与应用,所述FeCrNiCuTi高熵合金的组成化学式为FeCrNiCuTix,其中,0327HV,尤其可以达到650HV,屈服强度>523MPa,最高可达1464MPa,抗压强度>1276MPa,最高可达1947MPa,平均摩擦系数在0.47‑0.62,具有较高的硬度、强度和良好的耐磨性,能够满足盾构机钻头、轮船螺旋桨零件等苛刻工况条件的使用要求;制备方法采用现有工业生产设备,操作简易、成本低廉、可进行规模生产应用。


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    Title :

    FeCrNiCuTi high-entropy alloy and preparation method and application thereof


    Additional title:

    一种FeCrNiCuTi高熵合金及其制备方法与应用


    Contributors:
    MENG LONG (author) / FANG SHENG (author) / KE LINGSHENG (author) / GONG ZHIGANG (author) / YUAN HONGFENG (author)

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / E21D SHAFTS , Schächte



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