Methods for constructing parts with improved properties using metallic glass alloys

    公开(公告)号:US10161025B2

    公开(公告)日:2018-12-25

    申请号:US14690239

    申请日:2015-04-17

    Applicant: Apple Inc.

    Abstract: Described herein are methods of constructing a part having improved properties using metallic glass alloys, layer by layer. In accordance with certain aspects, a layer of metallic glass-forming powder is deposited to selected positions and then fused to a surface layer (i.e. layer below) by suitable methods such as laser heating or electron beam heating. The deposition and fusing are then repeated as need to construct the part, layer by layer. In certain embodiments, one or more sections or layers of non-metallic glass-forming material can be included as needed to form a composite final part. In certain aspects, the metallic glass-forming powder may be crystalized during depositing and fusing, or may be recrystallized during subsequent processing to provide selectively crystalized sections or layers, e.g., to impart desired functionality. In other aspects, non-metallic glass-forming materials may be deposited and fused at selected positions, e.g., to provide selective shear banding to impart improved ductile properties and plasticity. In yet other aspects, the metallic glass-forming powder or metallic glass material and non-metallic glass-forming material are deposited and fused to form a foam-like, bellow or similar structure, which is able to crumple under high stress to absorb energy under impact.

    ZIRCONIUM (ZR) AND HAFNIUM (HF) BASED BMG ALLOYS
    5.
    发明申请
    ZIRCONIUM (ZR) AND HAFNIUM (HF) BASED BMG ALLOYS 审中-公开
    ZIRCONIUM(ZR)和HAFNI(HF)基BMG合金

    公开(公告)号:US20160032435A1

    公开(公告)日:2016-02-04

    申请号:US14813862

    申请日:2015-07-30

    Applicant: Apple Inc.

    CPC classification number: C22C45/10 C22C1/002

    Abstract: The disclosure is directed to Zr and Hf bearing alloys that are capable of forming a metallic glass, and more particularly metallic glass rods with diameters at least 1 mm and as large as 5 mm or larger. The disclosure is further directed to Zr and Hf bearing alloys that demonstrate a favorable combination of glass forming ability, strength, toughness, bending ductility, and/or corrosion resistance.

    Abstract translation: 本发明涉及能够形成金属玻璃的Zr和Hf载体合金,更具体地说是直径至少为1mm且大至5mm或更大的金属玻璃棒。 本发明还涉及显示玻璃形成能力,强度,韧性,弯曲延展性和/或耐腐蚀性的有利组合的Zr和Hf轴承合金。

    Mold materials for formed ceramic

    公开(公告)号:US11207795B1

    公开(公告)日:2021-12-28

    申请号:US16137434

    申请日:2018-09-20

    Applicant: Apple Inc.

    Abstract: A mold apparatus to form a ceramic (or glass) includes a first mold portion having a first coefficient of thermal expansion and a second mold portion having a second coefficient of thermal expansion. In some embodiments, the first mold portion and/or the second mold portion are substantially immiscible with the ceramic material, such as silicon oxide, at a temperature greater than 600° C. In some embodiments, the first coefficient of thermal expansion and the second coefficient of thermal expansion are substantially similar to that of the glass or ceramic material. In some embodiments, the first coefficient of thermal expansion is different from the second coefficient of thermal expansion. In some embodiments, the first mold portion and the second mold portion contain a surface coating and a passivation layer.

    METHODS FOR IMPARTING COMPRESSIVE STRESS ON METALLIC GLASS PARTS
    9.
    发明申请
    METHODS FOR IMPARTING COMPRESSIVE STRESS ON METALLIC GLASS PARTS 有权
    在金属玻璃部件上施加压缩应力的方法

    公开(公告)号:US20150314566A1

    公开(公告)日:2015-11-05

    申请号:US14690269

    申请日:2015-04-17

    Applicant: Apple Inc.

    Abstract: Described herein are methods of constructing a part using metallic glass-forming alloys, layer by layer, as well as bulk metallic glass-forming materials designed for use therewith. In certain embodiments, a layer of metallic glass-forming alloy powder, wire, or a sheet of metallic glass material is deposited to selected positions and then fused to a layer below by suitable methods such as laser heating or electron beam heating. The deposition and fusing are then repeated as need to construct the part, layer by layer. One or more sections or layers of material that is not a metallic glass can be included as needed to form composite parts.

    Abstract translation: 这里描述的是使用金属玻璃形成合金逐层构造部件以及为此使用设计的块状金属玻璃形成材料的方法。 在某些实施例中,将一层金属玻璃形成合金粉末,金属丝或一片金属玻璃材料沉积到选定位置,然后通过诸如激光加热或电子束加热之类的合适方法将其熔合到下面的层。 然后根据需要重复沉积和熔化以逐层构造部分。 可以根据需要包括不是金属玻璃的一个或多个部分或多层材料以形成复合部件。

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