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公开(公告)号：US20050019205A1
公开(公告)日：2005-01-27
申请号：US10921660
申请日：2004-08-19
申请人： Tom Davisson , Sadashiv Nadkarni , Dave Wilbur
发明人： Tom Davisson , Sadashiv Nadkarni , Dave Wilbur
摘要： The present invention provides an aluminum alloy foil for fins used in heat exchangers. The aluminum alloy composition consists essentially of about 0.25% to about 0.6% by weight of Si; about 0.15% to about 0.50% by weight of Fe; about 0.20% to about 0.70% by weight of Mn; less than about 0.05% Cu; and less than about 0.05% Mg, with the balance aluminum including unavoidable impurities. The alloy composition may also contain less than 0.10% Zn or 0.50-2.00% Zn. The invention also provides a method for making an aluminum alloy wherein during cold rolling interanneal is carried out at a gauge such that the cold work after internanneal is between about 30-70%.
摘要翻译： 本发明提供一种用于热交换器的翅片用铝合金箔。 铝合金组合物基本上由约0.25％至约0.6％重量的Si组成; 约0.15重量％至约0.50重量％的Fe; 约0.20％至约0.70重量％的Mn; 小于约0.05％的Cu; 和小于约0.05％的Mg，其余的铝包括不可避免的杂质。 合金组成还可含有小于0.10％的Zn或0.50-2.00％的Zn。 本发明还提供了一种制造铝合金的方法，其中在冷轧过程中进行中间膜，以使得内切后的冷加工在约30-70％之间。
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公开(公告)号：US20070023115A1
公开(公告)日：2007-02-01
申请号：US11472201
申请日：2006-06-20
IPC分类号： C22F1/04
摘要： A method of treating a surface of a metal foil or sheet to make the surface wettable. The method comprises obtaining a metal foil or sheet having an oil-coated surface to be treated, applying a solution of phosphoric acid in a polar, non-aqueous, water-free solvent evenly to the surface at a rate of application in a range of at least 10 mg/ft2, the phosphoric acid being contained in the solution at a concentration such that the phosphoric acid contacts the surface in an amount of 0.5 to 2.0 mg/ft2; and removing the solvent by either drying the surface or heating the foil or sheet at an elevated temperature above ambient to evaporate the oil from the surface to be treated with the proviso that the elevated temperature does not fall in the range between 130 to 240° C. The resulting foil has a wettable surface and can be used, for example, for coating with a layer of another material (e.g. polymer or adhesive) and achieve high peel strength.
摘要翻译： 一种处理金属箔或片的表面以使表面可润湿的方法。 该方法包括获得具有待处理的油涂层表面的金属箔或片材，在极性，非水性，无水溶剂中将磷酸溶液以适用的速度均匀地施加到表面上， 至少10mg / ft 2，磷酸以浓度使得磷酸以0.5-2.0mg / ft 2的量与表面接触， SUP>; 并且通过干燥表面或者在高于环境温度的高温下加热箔或片来除去溶剂，以便从被处理表面蒸发油，条件是升高的温度不在130-240℃的范围内 所得到的箔具有可润湿表面，并且可以用于例如用另一种材料（例如聚合物或粘合剂）层涂覆并实现高剥离强度。
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公开(公告)号：US20070009666A1
公开(公告)日：2007-01-11
申请号：US11471171
申请日：2006-06-19
申请人： Thomas Davisson , Sadashiv Nadkarni
发明人： Thomas Davisson , Sadashiv Nadkarni
CPC分类号： 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
摘要： 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.
摘要翻译： 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10mg / ft 2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。
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公开(公告)号：US5618358A
公开(公告)日：1997-04-08
申请号：US397604
申请日：1995-03-01
摘要： A new aluminum based alloy having properties which mimic homogenized DC cast 3003 alloy and a low-cost method for manufacturing it are described. The alloy contains 0.40% to 0.70% Fe, 0.10% to less than 0.30% Mn, more than 0.10% to 0.25% Cu, less than 0.10% Si, optionally up to 0.10% Ti and the balance Al and incidental impurities. The alloy achieves properties similar to homogenized DC cast 3003 when continuously cast followed by cold rolling and if desired annealing at final gauge. Suprisingly no other heat treatments are required.
摘要翻译： 描述了具有模拟均质DC铸造3003合金的性能的新型铝基合金和用于制造它的低成本方法。 该合金含有0.40％至0.70％的Fe，0.10％至小于0.30％的Mn，大于0.10％至0.25％的Cu，小于0.10％的Si，任选至多0.10％的Ti，余量为Al和附带的杂质。 当连续铸造，然后冷轧后，如果需要在最终规格下退火，该合金实现类似于均质DC铸件3003的性能。 令人惊讶的是，不需要其他热处理。
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公开(公告)号：US4990471A
公开(公告)日：1991-02-05
申请号：US262605
申请日：1988-10-26
申请人： Mukesh K. Jain , Sadashiv Nadkarni
发明人： Mukesh K. Jain , Sadashiv Nadkarni
IPC分类号： C01B21/068
CPC分类号： C01B21/0685
摘要： A process for forming silicon nitride containing little or no silicon carbide. The process involves producing a uniform dispersion of finely divided silica particles in a polymer, heating the polymer/silica dispersion in a non-oxidizing atmosphere to carbonize the polymer, and heating the resulting carbonized product to a temperature in the range of 1300.degree.-1800.degree. C. in a non-oxidizing nitrogen-containing atmosphere. This latter heating step is carried out in the presence of a metal oxide (preferably alumina which is capable, in the reaction conditions, of reducing the amount of silicon carbide formed as an undesired by-product.
摘要翻译： 一种形成少量或不含碳化硅的氮化硅的方法。 该方法包括在聚合物中产生细分二氧化硅颗粒的均匀分散体，在非氧化气氛中加热聚合物/二氧化硅分散体以使聚合物碳化，并将所得碳化产物加热至1300-11800℃的温度 在非氧化性含氮气氛中。 后一加热步骤在金属氧化物（优选氧化铝）的存在下进行，氧化铝在反应条件下能够减少作为不期望的副产物形成的碳化硅的量。
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公开(公告)号：US4816511A
公开(公告)日：1989-03-28
申请号：US171692
申请日：1988-03-22
申请人： Lise Castonguay , Sadashiv Nadkarni , Mukesh Jain
发明人： Lise Castonguay , Sadashiv Nadkarni , Mukesh Jain
CPC分类号： C04B37/005 , C04B26/122 , C04B2237/086 , C04B2237/363 , C04B2237/708 , Y10S524/906
摘要： A cement for bonding carbon blocks, particularly the cathode blocks of electrolytic cells, e.g. Hall-Heroult cells used for the production of aluminum. The cement comprises a carbonaceous aggregate of particle size smaller than 48 Tyler mesh, a curable water-soluble liquid polymeric resin (preferably a phenol-formaldehyde resin), water and normally a curing agent for the resin. The water is used in such an amount that the proportion of the resin can be reduced without adversely affecting the viscosity of the cement at ambient temperature. The cement carbonizes when the carbon blocks are subjected to high temperatures and has a linear shrinkage of less than 5%, which reduces the tendency of the carbonized cement to crack.
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公开(公告)号：US06350532B1
公开(公告)日：2002-02-26
申请号：US09381882
申请日：2000-01-18
IPC分类号： B21C3700
CPC分类号： C22F1/04 , B21B3/003 , B21B2003/001 , C22C21/00 , Y10T428/12431
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US07172664B2
公开(公告)日：2007-02-06
申请号：US10297941
申请日：2001-07-04
IPC分类号： C22F1/04
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US06533877B1
公开(公告)日：2003-03-18
申请号：US09622488
申请日：2000-12-06
IPC分类号： C22F104
CPC分类号： C22C21/00 , B21B1/40 , B21B3/003 , B21B2003/001 , C22F1/04
摘要： 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).
摘要翻译： 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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公开(公告)号：US4948573A
公开(公告)日：1990-08-14
申请号：US355033
申请日：1989-05-16
申请人： Sadashiv Nadkarni , Mukesh Jain , Jean-Paul Huni
发明人： Sadashiv Nadkarni , Mukesh Jain , Jean-Paul Huni
CPC分类号： C01B31/36 , C01B31/30 , C01B31/303 , C01B31/305 , C01B31/34 , C30B25/005 , C30B29/36 , C01P2004/03 , C01P2004/10 , C01P2004/52 , C01P2004/54 , C01P2004/62
摘要： A process for forming carbides of silicon or metals in fine powder or whisker form. The process comprises forming a substantially uniform and non-agglomerated dispersion of a microfine powder of an oxide of silicon or a carbide-forming metal within a matrix of a polymer, carbonizing the oxide-containing polymer in an inert atmosphere and heating the carbonized product at high temperature to cause the oxide to react with carbon to form a carbide. The polymer must have a molecular weight of at least 10,000, a high carbon yield of at least 30% by weight, and a chemical structure which is infusible or capable of being rendered infusible. The preferred polymers are polyacrylonitrile, cellulose and polyvinyl alcohol, but other polymers with similar characteristics can be employed. The process is relatively inexpensive and gives an extremely finely divided product of high purity.
摘要翻译： 一种以细粉末或晶须形式形成硅或金属的碳化物的方法。 该方法包括在聚合物的基体内形成硅或碳化物形成金属的氧化物的微细粉末的基本均匀和非附聚的分散体，在惰性气氛中碳化含氧化物的聚合物，并将碳化产物加热 高温使氧化物与碳反应形成碳化物。 聚合物必须具有至少10,000的分子量，至少30重量％的高碳产率，以及不熔或能够变得不可熔的化学结构。 优选的聚合物是聚丙烯腈，纤维素和聚乙烯醇，但是可以使用具有相似特性的其它聚合物。 该方法相对便宜并且产生了高纯度的极细分产品。
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