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    • 4. 发明专利
    • Method of forming aluminum alloy sheet
    • 形成铝合金板的方法
    • JP2013230483A
    • 2013-11-14
    • JP2012103458
    • 2012-04-27
    • Furukawa-Sky Aluminum Corp古河スカイ株式会社Nippon Steel & Sumitomo Metal Corp新日鐵住金株式会社
    • NOGUCHI OSAMUOKADA TOSHIYATAKADA TAKESHI
    • B21D22/20
    • PROBLEM TO BE SOLVED: To provide a method of performing press forming by suppressing the rupture of a tailored blank which is obtained by butt welding of aluminum alloy sheets which are different in at least one of plate thickness and strength.SOLUTION: A tailored blank 20 is prepared by butt-welding two or more aluminum alloy sheets which are different in at least one of a sheet thickness and strength. When forming the tailored blank 20, the tailored blank 20 is heated so that the material temperature of the base metal 24 of the tailored blank 20 becomes 100-250°C in a state that the heat affected zone 23 of the tailored blank 20 by butt welding is not higher than 80°C, and the heat affected zone 23 is situated between a punch 15 and a die 16 to perform press forming.
    • 要解决的问题:提供一种通过抑制由板材厚度和强度中的至少一种不同的铝合金板的对接而获得的定制坯料的破裂来进行冲压成形的方法。解决方案:定制的坯料20 是通过对板材厚度和强度中的至少一种不同的两种以上的铝合金板进行对焊而制备的。 当形成定制的坯料20时,将定制的坯料20加热,使得定制坯料20的母材金属24的材料温度在定制的坯料20的热影响区域23的对接状态下变为100-250℃ 焊接不高于80℃,并且热影响区23位于冲头15和模具16之间以进行冲压成形。
    • 5. 发明专利
    • Al-Cu BASED ALUMINUM ALLOY FORGED OBJECT
    • 基于Al-Cu的铝合金锻造物体
    • JP2013220472A
    • 2013-10-28
    • JP2012095699
    • 2012-04-19
    • Furukawa-Sky Aluminum Corp古河スカイ株式会社
    • ICHITANI KOJISHIKAGAWA TAKAHIRO
    • B21J5/00C22C21/12C22F1/00C22F1/047C22F1/057
    • PROBLEM TO BE SOLVED: To provide an Al-Cu based aluminum alloy forged material which prevents coarse crystal grains during solution treatment after free forging and has excellent heat resistance and strength.SOLUTION: An Al-Cu based aluminum alloy is manufactured by free forging. In the Al-Cu based aluminum alloy, when a series of hot free forging processes to be started after a material is heated at a temperature of 400°C or more includes a partial large-strain forging process wherein the material is forged while a compressed strain rate on at least a part of the whole forged object exceeds 50%, a series of hot free forging processes is terminated by performing partial large-strain forging while a part of the material to be applied with at least partial large-strain is maintained at a temperature of 400°C or more. Then, a microstructure of the forged object after a solution treatment process for heating and maintaining the forged object and a subsequent quenching treatment process for rapidly quenching the forged object is a hot processed structure including minute sub-grains of an average grain size of 30 μm or below.
    • 要解决的问题:提供一种Al-Cu基铝合金锻造材料,其在自由锻造后的固溶处理期间防止粗晶粒,并且具有优异的耐热性和强度。解决方案:通过自由锻造制造Al-Cu基铝合金。 在Al-Cu系铝合金中,当在400℃以上的温度下加热材料之后开始一系列热自由锻造工序时,包括部分大应变锻造工序,其中,将材料锻造成压缩 在整个锻造物体的至少一部分上的应变率超过50%,通过进行部分大应变锻造而终止一系列热自由锻造工艺,同时一部分待施加至少部分大应变的材料被保持 在400℃以上的温度下进行。 然后,锻造对象物的加热维持用锻造对象物的微观结构以及随后的淬火处理快速淬火的热处理结构是包含平均粒径为30μm的微小亚晶粒 或以下。
    • 6. 发明专利
    • Brazing sheet made of an aluminum alloy
    • 铝合金烧结片
    • JP2013215735A
    • 2013-10-24
    • JP2012085633
    • 2012-04-04
    • Furukawa-Sky Aluminum Corp古河スカイ株式会社
    • YANAGAWA YUTAKASAKOTA MASAICHIOHASHI YUSUKE
    • B23K35/22B23K35/28C22C21/00
    • PROBLEM TO BE SOLVED: To provide an aluminum alloy brazing sheet having better and stable brazing performance and applicable industrially, in a brazing method that does not use flux using a destructive action of an oxide coating by Mg.SOLUTION: In an aluminum alloy brazing sheet for brazing that does not use flux in inert gas, an Al-Si-Mg-based alloy brazing material containing 5-15 mass% of Si, 0.2-3.0 mass% of Mg and the residue of Al and inevitable impurities is cladded on one face or both faces of a core material. In the brazing material, the number of MgSi particles having 2 μm or less of an equivalent circle diameter relative to the number of total intermetallic compounds is 60% or more.
    • 要解决的问题:提供一种具有更好和稳定的钎焊性能的铝合金钎焊片,并且在工业上适用于不使用通过Mg的氧化物涂层的破坏作用的焊剂的钎焊方法。在铝合金钎焊片 对于在惰性气体中不使用助熔剂的钎焊,含有5-15质量%的Si,0.2-3.0质量%的Mg和Al的剩余物和不可避免的杂质的Al-Si-Mg系合金钎焊材料包覆在一个 芯材的面或两面。 在钎焊材料中,相对于总金属间化合物的数目,相当于2μm以下的MgSi粒子的数量为60%以上。
    • 7. 发明专利
    • Heat dissipating resin coated aluminum material, and production process therefor
    • 热脱漆树脂涂层铝材料及其生产工艺
    • JP2013212692A
    • 2013-10-17
    • JP2013107970
    • 2013-05-22
    • Furukawa-Sky Aluminum Corp古河スカイ株式会社
    • OZAWA TAKEHIROMAEZONO TOSHIKI
    • B32B15/08C09D7/12C09D167/00C23C28/00
    • PROBLEM TO BE SOLVED: To provide a heat dissipating resin coated aluminum material excellent in conductivity and bending workability as well as in heat dissipation, and to provide its production process.SOLUTION: There are provided: a heat dissipating resin coated aluminum material that includes an aluminum material, a chemical conversion coating formed on both sides of the aluminum material and a resin coating of 0.4-1.9 μm in thickness which is formed on at least one surface of the chemical conversion coating, wherein the resin coating includes a coating material comprising a polyester resin having a benzene ring in its molecule and being 21,000-28,000 in number average molecular weight, a melamine resin, carbon black having a mean particle size of 115-140 nm, nickel and a liquid wax, and a production process thereof.
    • 要解决的问题:提供导电性,弯曲加工性以及散热性优异的散热性树脂被覆铝材料,并提供其制造方法。解决方案:提供:散热树脂被覆铝材料,其包括 铝材料,形成在铝材料的两面上的化学转化涂层和形成在化学转化涂层的至少一个表面上的厚度为0.4-1.9μm的树脂涂层,其中所述树脂涂层包括涂料,其包含 其分子中具有苯环的数均分子量为21,000-28,000的聚酯树脂,三聚氰胺树脂,平均粒径为115-140nm的炭黑,镍和液体蜡及其制备方法。