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    Aluminum alloy composition and method of manufacture
    1.
    发明授权
    Aluminum alloy composition and method of manufacture 有权
    铝合金组成及其制造方法

    公开(公告)号：US06350532B1

    公开(公告)日：2002-02-26

    申请号：US09381882

    申请日：2000-01-18

    Applicant: Thomas L. Davisson ,  Luc Montgrain ,  Daniel Pulliam ,  Sadashiv Nadkarni

    Inventor： Thomas L. Davisson ,  Luc Montgrain ,  Daniel Pulliam ,  Sadashiv Nadkarni

    IPC: B21C3700

    CPC classification number: C22F1/04 ,  B21B3/003 ,  B21B2003/001 ,  C22C21/00 ,  Y10T428/12431

    Abstract: The invention relates to a recyclable aluminum foil. The foil is made of an alloy containing 0.2%-0.5% Si, 0.4%-0.8% Fe, 0.1%-0.3% Cu, and 0.05%-0.3% Mn by weight. with the balance aluminum and incidental impurities. The foil contains at least about 2% by weight of strengthening particulates and has at least about 0.1% by weight of the copper and/or manganese retained in solid solution. The invention also relates to a method of manufacturing a sheet of aluminum based on an alloy which involves continuously casting an alloy of the above composition to form a sheet of alloy, coiling said sheet of alloy, cold rolling the sheet of alloy, interannealing the alloy after a first pass of the cold rolling; and further cold rolling the alloy to a final desired gauge. The foil, which is suitable for household use, has improved strength due to a larger quantity of dispersoids fortified by elements in solid solution, and can be recycled with other alloy scrap.

    Abstract translation: 本发明涉及可回收的铝箔。 箔由含有0​​.2％-0.5％Si，0.4％-0.6％Fe，0.1％-0.3％Cu和0.05％-0.3％Mn的合金制成。 余量为铝和杂质。 箔包含至少约2重量％的强化颗粒，并且具有保留在固溶体中的至少约0.1重量％的铜和/或锰。 本发明还涉及一种制造基于合金的铝片的方法，该方法包括连续铸造上述组成的合金以形成合金片，卷绕所述合金片，冷轧合金片，将合金中间退火 经过第一次冷轧; 并进一步将合金冷轧至最终所需的规格。 适用于家庭用途的箔片由于固溶体中的元素强化而分散质量较大，因而具有改善的强度，并可与其他合金废料一起回收利用。

    Method of imparting non-stick property to metal surface
    2.
    发明授权
    Method of imparting non-stick property to metal surface 有权
    赋予金属表面不粘性的方法

    公开(公告)号：US07547463B2

    公开(公告)日：2009-06-16

    申请号：US11471171

    申请日：2006-06-19

    Applicant: Thomas L. Davisson ,  Sadashiv Nadkarni

    Inventor： Thomas L. Davisson ,  Sadashiv Nadkarni

    IPC: B05D1/00

    CPC classification number: B05D5/08 ,  B05D1/02 ,  B05D3/0254 ,  B05D3/0272 ,  B05D7/16 ,  B05D2202/25 ,  B05D2252/00 ,  B05D2252/02 ,  B05D2518/10 ,  C09D183/04 ,  C21D1/70 ,  C22F1/04 ,  Y10T428/2956 ,  Y10T428/31663

    Abstract: A method of imparting a non-stick coating to a surface of an aluminum foil sheet, and the resulting foil sheet. The method involves coating at least part (preferably at least 40%) of an area of a surface of a metal sheet article (preferably an aluminum foil sheet) with a substantially solvent-free silicone oil at an average coating application rate in a range of 1.5 to 10 mg/ft2 of the coated surface area. The coated sheet article is then preferably coiled. The coated sheet article is then heated in the presence of air or oxygen at a temperature of 250° C. or higher for a period of time of at least 10 minutes. The treated surface is both non-stick and food-friendly.

    Abstract translation: 对铝箔片的表面赋予不粘涂层的方法和所得到的箔片。 该方法包括用基本上无溶剂的硅油将金属片制品（优选铝箔片）的表面的至少一部分（优选至少40％）涂覆在平均涂布施用率范围内 1.5至10 mg / ft2的涂层表面积。 然后优选将涂覆的片材制品卷绕。 然后在空气或氧气的存在下，在250℃或更高的温度下加热涂覆的片材制品至少10分钟的时间。 处理过的表面既不粘，又适合食用。

    Method of making aluminum foil for fins
    3.
    发明授权
    Method of making aluminum foil for fins 有权
    翅片铝箔的制造方法

    公开(公告)号：US07172664B2

    公开(公告)日：2007-02-06

    申请号：US10297941

    申请日：2001-07-04

    Applicant: Thomas L. Davisson ,  Luc Montgrain ,  Sadashiv Nadkarni

    Inventor： Thomas L. Davisson ,  Luc Montgrain ,  Sadashiv Nadkarni

    IPC: C22F1/04

    CPC classification number: C22F1/04 ,  C22C21/00 ,  C22C21/02 ,  C22F1/043

    Abstract: A method is described for making an aluminum alloy foil suitable for application to fins used in heat exchangers. The method comprises providing an aluminum alloy composition containing about 0.27% to about 0.55% by weight of iron, about 0.06% to about 0.55% by weight of silicon and optionally up to about 0.20% by weight of copper; continuously casting a coiled strip from the molten aluminum alloy; cold rolling the continuously cast coil to a final gauge of about 0.076 mm to about 0.152 mm and partially annealing the aluminum alloy sheet at a temperature below about 260° C., with a maximum overheat of about 10° C. to anneal the aluminum alloy foil substantially without any recrystallization.

    Abstract translation: 描述了一种制造适合应用于热交换器中使用的翅片的铝合金箔的方法。 该方法包括提供含有约0.27％至约0.55％的铁，约0.06％至约0.55％的硅和任选的至多约0.20％的铜的铝合金组合物; 从熔融铝合金连续铸造卷绕带; 将连续铸造线圈冷轧至约0.076mm至约0.152mm的最终规格，并在低于约260℃的温度下部分退火铝合金板，最大过热约10℃以退火铝合金 基本上没有任何重结晶。

    Process of manufacturing high strength aluminum foil
    4.
    发明授权
    Process of manufacturing high strength aluminum foil 有权
    制造高强度铝箔的工艺

    公开(公告)号：US06533877B1

    公开(公告)日：2003-03-18

    申请号：US09622488

    申请日：2000-12-06

    Applicant: Thomas L. Davisson ,  Luc M. Montgrain ,  Sadashiv Nadkarni

    Inventor： Thomas L. Davisson ,  Luc M. Montgrain ,  Sadashiv Nadkarni

    IPC: C22F104

    CPC classification number: C22C21/00 ,  B21B1/40 ,  B21B3/003 ,  B21B2003/001 ,  C22F1/04

    Abstract: High strength foil having dead fold foil characteristics is produced without the rolling and other production problems encountered with prior high strength foils by controlling manganese content, interannealing temperatures and, optionally, final annealing temperatures. The alloy contains 0.05 to 0.15 %, preferably 0.095 to 0.125%, manganese by weight. Cold worked sheet is interannealed at a temperature of about 200° C. to about 260° C., preferably 230° to 250 ° C., to produce substantially fully recrystallized sheet while maintaining most of the manganese in solid solution. The interannealed sheet is rolled to final gauge and finally annealed, preferably at a temperature of about 250° C. to about 325° C., more preferably about 260° C. to about 325° C., to produce dead fold aluminum foil with a yield strength of at least 89.6 MPa (13 ksi), and ultimate tensile strength of at least 103.4 MPa (15 ksi) and a Mullen rating of at least 89.6 kPa (13 psi) at a gauge of 0.0015 cm (0.0006 inch).

    Abstract translation: 通过控制锰含量，中和退火温度和任选的最终退火温度，产生具有死折箔特性的高强度箔，而不会产生现有高强度箔遇到的轧制和其它生产问题。 合金含有0.05〜0.15重量％，优选为0.095〜0.125重量％。 冷加工片材在约200℃至约260℃，优选230℃至250℃的温度下进行脱水，以产生基本上完全重结晶的片材，同时将大部分锰保持在固溶体中。 将退火后的片材轧制成最终规格，最后退火，优选在约250℃至约325℃，更优选约260℃至约325℃的温度下进行退火，以产生具有 屈服强度至少为89.6MPa（13ksi），极限拉伸强度至少为103.4MPa（15ksi），马伦等级为0.006cm（0.0006英寸），至少为89.6kPa（13psi）。

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