The invention relates to the technical field of aluminum alloy, in particular to a high-strength aluminum alloy cover plate for an automobile engine and a preparation method of the high-strength aluminum alloy cover plate. According to the scheme, an aluminum alloy serves as a matrix to prepare the cover plate, the cover plate serves as an aluminum alloy matrix, an amorphous coating is sprayed on the surface of the aluminum alloy matrix, and therefore the abrasion resistance and corrosion resistance of the cover plate are improved, according to the scheme, the aluminum alloy matrix comprises the specific components of 0.8 wt%-1.2 wt% of Mg, 0.4 wt%-0.8 wt% of Si, 0.7 wt% of Fe, 0.2 wt%-0.4 wt% of Cu, 0.15 wt% of Mn, 0.25 wt% of Zn, 0.04 wt%-0.4 wt% of Cr, 0.15 wt% of Ti, 0.15 wt% of Zr and the balance Al; the aluminum alloy has high strength and comprehensive mechanical properties, can be suitable for machining of the automobile engine cover plate and has high practicability.

    本发明涉及铝合金技术领域,具体为一种用于汽车发动机的高强度铝合金盖板及其制备方法。方案以铝合金为基体制备盖板,并以其作为铝合金基体,在其表面喷涂非晶涂层,从而提高盖板的耐磨和耐腐蚀性能,方案限定铝合金成分为“所述铝合金基体具体成分为:Mg:0.8~1.2wt%、Si:0.4~0.8wt%、Fe:0.7wt%、Cu:0.2~0.4wt%、Mn:0.15wt%、Zn:0.25wt%、Cr:0.04~0.4wt%、Ti:0.15wt%、Zr:0.15wt%,其余为Al”,该铝合金具有较高的强度和综合力学性能,能够适用于汽车发动机盖板加工,具有较高的实用性。


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    Title :

    High-strength aluminum alloy cover plate for automobile engine and preparation method of high-strength aluminum alloy cover plate


    Additional title:

    一种用于汽车发动机的高强度铝合金盖板及其制备方法


    Contributors:
    WU DEYONG (author) / HUANG ZHIYUAN (author) / ZHU YIJUN (author) / SHEN MENGFEI (author)

    Publication date :

    2023-12-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B22F Verarbeiten von Metallpulver , WORKING METALLIC POWDER / B62D MOTOR VEHICLES , Motorfahrzeuge / C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / C22C Legierungen , ALLOYS



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