发明名称 ALUMINUM ALLOY FIN MATERIAL FOR HEAT EXCHANGER AND METHOD FOR PRODUCING SAME
摘要 An aluminum alloy fin material for heat exchangers, consisting of 0.5 to 1.5 mass% of Si; more than 1.0 mass% but not more than 2.0 mass% of Fe; 0.4 to 1.0 mass% of Mn; and 0.4 to 1.0 mass% of Zn, with the balance being Al and unavoidable impurities, wherein a metallographic microstructure before braze-heating is such that a density of second phase particles having a circle-equivalent diameter of less than 0.1 µm is less than 1×10 7 particles/mm 2 , and that a density of second phase particles having a circle-equivalent diameter of 0.1 µm or more is 1×10 5 particles/mm 2 or more, wherein a tensile strength before braze-heating, TS B (N/mm 2 ), a tensile strength after braze-heating, TS A (N/mm 2 ), and a sheet thickness of the fin material, t (µm), satisfy a relationship: 0.4‰¤(TS B -TS A )/t‰¤2.1, and wherein the sheet thickness is 150 µm or less; and a method of producing the same.
申请公布号 EP3018224(A1) 申请公布日期 2016.05.11
申请号 EP20140819584 申请日期 2014.07.04
申请人 UACJ CORPORATION 发明人 FUKUMOTO, ATSUSHI;MOCHIZUKI, JUNICHI;NIIKURA, AKIO
分类号 C22C21/00;B22D11/00;B22D11/06;C22F1/00;C22F1/04 主分类号 C22C21/00
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