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公开(公告)号:US20150041027A1
公开(公告)日:2015-02-12
申请号:US14454208
申请日:2014-08-07
申请人: Andrew D. Howells , Kevin Michael Gatenby , Hany Ahmed , Jyothi Kadali , Derek William Aluia , John Michael Baciak, III
发明人: Andrew D. Howells , Kevin Michael Gatenby , Hany Ahmed , Jyothi Kadali , Derek William Aluia , John Michael Baciak, III
CPC分类号: C22F1/053 , B22D7/005 , C22C1/026 , C22C21/00 , C22C21/10 , C22F1/04 , F28F21/084 , F28F2215/00
摘要: The present invention provides an aluminum alloy fin stock material with higher strength, and improved sag resistance for use in heat exchangers, such as automotive heat exchangers. The aluminum alloy fin stock material is produced from an aluminum alloy comprising about 0.8-1.4 wt % Si, 0.4-0.8 wt % Fe, 0.05-0.4 wt % Cu, 1.2-1.7 wt % Mn and 1.20-2.3 wt % Zn, with the remainder as Al. The aluminum alloy fin stock material is made by a process comprising direct chill casting the aluminum alloy into an ingot, preheating the ingot, hot rolling the preheated ingot, cold rolling the ingot and inter-annealing at a temperature of 275-400° C. After inter-annealing, the aluminum alloy fin stock material is a cold rolled in a final cold rolling step to achieve % cold work (% CW) of 20-35%.
摘要翻译: 本发明提供一种具有较高强度的铝合金散热片原材料,并提供用于诸如汽车热交换器的热交换器中的抗下垂性。 铝合金翅片原料由铝合金制成,包括约0.8-1.4重量%的Si,0.4-0.8重量%的Fe,0.05-0.4重量%的Cu,1.2-1.7重量%的Mn和1.20-2.3重量%的Zn, 剩余部分为Al。 铝合金翅片原料通过将铝合金直接冷铸成锭,预热锭,热轧预热锭,冷轧锭,并在275-400℃的温度进行相互退火的方法制成。 在相互退火之后,铝合金翅片原料在最终冷轧步骤中冷轧,以达到20-35%的%冷加工(%CW)。