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    • 7. 发明授权
    • High strength aluminum alloy fin material and method of production of same
    • 高强度铝合金翅片材料及其生产方法
    • US08784582B2
    • 2014-07-22
    • US13532525
    • 2012-06-25
    • Hideki SuzukiYoshito OkiTomohiro SasakiMasae Nagasawa
    • Hideki SuzukiYoshito OkiTomohiro SasakiMasae Nagasawa
    • C22F1/04
    • F28F21/084
    • A heat exchanger use high strength aluminum alloy fin material having a high strength and excellent in thermal conductivity, erosion resistance, sag resistance, sacrificial anodization effect, and self corrosion resistance, characterized by containing Si: 0.8 to 1.4 wt %, Fe: 0.15 to 0.7 wt %, Mn: 1.5 to 3.0 wt %, and Zn: 0.5 to 2.5 wt %, limiting the Mg as an impurity to 0.05 wt % or less, and having a balance of ordinary impurities and Al in chemical composition, having a metal structure before brazing of a fibrous crystal grain structure, a tensile strength before brazing of not more than 240 MPa, a tensile strength after brazing of not less than 150 MPa, and a recrystallized grain size after brazing of 500 μm or more.
    • 热交换器使用具有高强度和优异的导热性,耐腐蚀性,抗流挂性,牺牲阳极氧化效果和自腐蚀性的高强度铝合金翅片材料,其特征在于,含有Si:0.8〜1.4重量%,Fe:0.15〜 0.7重量%,Mn:1.5〜3.0重量%,Zn:0.5〜2.5重量%,将Mg作为杂质限制在0.05重量%以下,其余为普通杂质和化学组成的Al,具有金属 纤维状晶粒结构钎焊之前的结构,钎焊前的拉伸强度不大于240MPa,钎焊后的拉伸强度不低于150MPa,钎焊后的再结晶粒径为500μm以上。
    • 9. 发明授权
    • High strength aluminum alloy fin material for heat exchanger and method for production thereof
    • 用于热交换器的高强度铝合金翅片材料及其制造方法
    • US08142575B2
    • 2012-03-27
    • US10587568
    • 2005-01-28
    • Yoshito OkiHideki SuzukiHaruo SugiyamaToshiya AnamiTomohiro Sasaki
    • Yoshito OkiHideki SuzukiHaruo SugiyamaToshiya AnamiTomohiro Sasaki
    • C22C21/00
    • F28F21/084B21B1/28B21B3/00B21B2003/001B22D11/003B22D11/0605C22C21/00C22C21/02C22C21/10C22F1/04C22F1/043C22F1/053
    • [PROBLEMS] To provide an aluminum alloy fin material for a heat exchanger, which has high strength and high heat conductivity after brazing, and is excellent in the resistance to sagging, erosion and self-corrosion and the in the sacrificial anode effect.[MEANS FOR SOLVING PROBLEMS] A method for producing an aluminum alloy fin material for a heat exchanger which comprises providing a molten aluminum alloy having a chemical composition, in wt %, that Si: 0.5 to 1.5%, Fe: 0.15 to 1.00%, Mn: 0.8 to 3.0%, Zn: 0.5 to 2.5%, with the proviso that the content of Mg as an impurity is limited to 0.05 wt % or less, and the balance: Al and inevitable impurities, casting the molten alloy continuously into a thin slab having a thickness of 5 to 10 mm by the use of a twin belt casting machine, winding up the slab into a roll, cold-rolling the slab into a sheet having a thickness of 0.05 to 2.0 mm, subjecting the sheet to an inter annealing at 350 to 500° C., and cold-rolling the annealed sheet with a cold reduction rate of 10 to 96%, to prepare a sheet having a final thickness of 40 to 200 μm, and optionally subjecting the final sheet to a final annealing (a softening process) at a holding temperature of 300 to 400° C.
    • 本发明提供一种用于热交换器的铝合金翅片材料,其在钎焊后具有高强度和高导热性,并且具有优异的下垂,侵蚀和自腐蚀性以及牺牲阳极效果。 解决问题的手段一种热交换器用铝合金翅片材料的制造方法,其特征在于,提供具有化学组成的熔融铝合金,重量百分比:Si:0.5〜1.5%,Fe:0.15〜1.00% Mn:0.8〜3.0%,Zn:0.5〜2.5%,条件是将Mg作为杂质的含量限制在0.05重量%以下,余量:Al和不可避免的杂质,将熔融合金连续铸造成 通过使用双带式铸造机将厚度为5〜10mm的薄板坯卷绕成卷状,将板坯冷轧成厚度为0.05〜2.0mm的片材,对该片材进行 在350〜500℃进行相互退火,以10〜96%的冷轧速度对退火板进行冷轧,制成最终厚度为40〜200μm的片材, 在300〜400℃的保持温度下进行最终退火(软化处理)