本发明公开了一种抗高温轮毂用复合材料及汽车轮毂,该复合材料包括镁合金基体以及熔覆层;按重量百分比计,镁合金基体包括:Al:3.0~8.4%,Zn:1.0~3.2%,Mn:0.5~1.7%,Re:0.1~1.7%,W:0.3~2.1%,La:0.1~1.4%,Si:0.5~3.6%,余量为Mg;熔覆层包括:Al:8.0~22.5%,Fe:4.2~12.6%,Mg:7.4~21.0%,Cu:2.1‑6.5%;TaC:3.8~8.2%;石墨烯:1.3‑4.7%;余量为镍。本发明提供的抗高温轮毂用复合材料,通过激光熔覆在镁合金基体上形成增强涂层,能够获得高机械强度和抗高温性能的轮毂用复合材料。

    The invention discloses a composite material for a high-temperature-resistant hub and an automobile hub. The composite material comprises a magnesium alloy matrix and a cladding layer, the magnesium alloy matrix comprises the following components in percentage by weight: 3.0 to 8.4 percent of Al, 1.0 to 3.2 percent of Zn, 0.5 to 1.7 percent of Mn, 0.1 to 1.7 percent of Re, 0.3 to 2.1 percent of W, 0.1 to 1.4 percent of La, 0.5 to 3.6 percent of Si and the balance of Mg; the cladding layer comprises 8.0%-22.5% of Al, 4.2%-12.6% of Fe, 7.4%-21.0% of Mg, 2.1%-6.5% of Cu and the balance Fe; 3.8% to 8.2% of TaC; 1.3 to 4.7 percent of graphene; and the balance of nickel. According to the composite material for the high-temperature-resistant hub, the reinforced coating is formed on the magnesium alloy matrix through laser cladding, and the composite material for the hub with high mechanical strength and high-temperature resistance can be obtained.


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    Title :

    抗高温轮毂用复合材料及汽车轮毂


    Publication date :

    2023-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C22C Legierungen , ALLOYS / B60B VEHICLE WHEELS , Räder für Fahrzeuge / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL