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    COSMETIC ALUMINUM ALLOYS MADE FROM RECYCLED ALUMINUM SCRAP
    4.
    发明申请
    COSMETIC ALUMINUM ALLOYS MADE FROM RECYCLED ALUMINUM SCRAP 有权

    公开(公告)号：US20210087656A1

    公开(公告)日：2021-03-25

    申请号：US17020234

    申请日：2020-09-14

    Applicant: Apple Inc.

    Inventor： Katie L. Sassaman ,  Brian M. Gable ,  Herng-Jeng Jou ,  Weiming Huang ,  James A. Yurko

    IPC: C22C21/08 ,  C22C1/02

    Abstract: The disclosure is directed to aluminum alloys made from recycled components. The alloys have copper (Cu) from 0.051 to 0.10 wt %, chromium (Cr) from 0.01 to 0.10 wt %, zinc (Zn) from 0.02 to 0.20 wt %, manganese (Mn) from 0.03 to 0.10 wt %, iron (Fe) in an amount of at least 0.10 wt %, silicon (Si) in an amount of at least 0.35 wt %, magnesium (Mg) in amount of at least 0.45 wt %, and the remaining wt % being Al and incidental impurities. In other aspects, the disclosure is directed to aluminum alloys having copper (Cu) from 0.010 to 0.050 wt %, chromium (Cr) from 0.01 to 0.10 wt %, zinc (Zn) from 0.01 to 0.20 wt %, manganese (Mn) from 0.03 to 0.10 wt %, iron (Fe) in an amount of at least 0.10 wt %, silicon (Si) in an amount of at least 0.35 wt %, magnesium (Mg) in amount of at least 0.45 wt %, and the remaining wt % being Al and incidental impurities. The b* color of the alloys ranges from −2 to 2, and the L* color ranges from 70 to 100.

    Aluminum Alloys with Anodization Mirror Quality
    5.
    发明申请
    Aluminum Alloys with Anodization Mirror Quality 审中-公开
    具有阳极氧化镜面质量的铝合金

    公开(公告)号：US20150368772A1

    公开(公告)日：2015-12-24

    申请号：US14744774

    申请日：2015-06-19

    Applicant: Apple Inc.

    Inventor： Herng-Jeng Jou ,  Abhijeet Misra

    IPC: C22F1/047 ,  C22C21/08

    CPC classification number: C22C21/08 ,  C22F1/05

    Abstract: The disclosure provides an aluminum alloy comprising second phase particles having an Al(FeMn)Si phase with an (Fe+Mn):Si ratio of 0.5 to 2.5 and a mean particle diameter of 0.5 μm to 10 μm. The disclosure also provides an aluminum alloy comprising 0.02 to 0.11 wt % Fe, 0 to 0.16 wt % Mn, 0 to 0.08 wt. % Cr, 0.40 to 0.90 wt % Mg, and 0.20 to 0.60 wt % Si, wherein the aluminum alloy is homogenized at a temperature from 550 to 590° C.

    Abstract translation: 本发明提供一种铝合金，其包括具有（Fe + Mn）：Si比为0.5〜2.5，平均粒径为0.5μm〜10μm的Al（FeMn）Si相的第二相粒子。 本公开还提供了一种铝合金，其包含0.02至0.11重量％的Fe，0至0.16重量％的Mn，0至0.08重量％ ％Cr，0.40〜0.90重量％Mg和0.20〜0.60重量％的Si，其中铝合金在550-590℃的温度下均化。

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