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发明公开
CN102517478A 热交换器用铝合金包覆材 失效 - 权利终止

热交换器用铝合金包覆材
摘要：
本发明提供一种具有优异的钎焊性并且耐孔蚀性优异的热交换器用铝合金包覆材。热交换器用铝合金包覆材(1a)具备：芯材(2)、形成于该芯材(2)的一面侧的牺牲材(3)、形成于该芯材(2)的另一面侧的由Al-Si系合金构成的钎料(4)，其特征在于，芯材(2)含有Si：0.15～1.6质量％、Mn：0.3～2.0质量％、Cu：0.1～1.0质量％、Ti：0.02～0.3质量％，余量由Al及不可避免的杂质构成，牺牲材(3)含有Zn：4.0～10.0质量％、Cr：0.01～0.5质量％，余量由Al及不可避免的杂质构成。
摘要（英）：

An aluminum alloy clad sheet for heat exchangers includes a core layer, a sacrificial layer disposed on one side of the core layer, and a brazing layer of an Al-Si alloy disposed on the other side of the core layer, wherein the core layer contains Si: 0.15% to 1.6% by mass, Mn: 0.3% to 2.0% by mass, Cu: 0.1% to 1.0% by mass, Ti: 0.02% to 0.30% by mass, and the remainder of Al and incidental impurities, and the sacrificial layer contains Zn: 4.0% to 10.0% by mass, Cr: 0.01% to 0.5% by mass, and the remainder of Al and incidental impurities.

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