ALUMINUM ALLOY FIN MATERIAL FOR HEAT EXCHANGER, PRODUCTION METHOD THEREFOR, AND HEAT EXCHANGER

• Main Authors: YAMASHITA NAOKI, ITAYA EIJI, YAMAMOTO DAI
• Format: Patent
• Language: Chinese; English
• Published: 13.11.2020
• Subjects: ALLOYS; BLASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; FERROUS OR NON-FERROUS ALLOYS; HEAT EXCHANGE IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS

This aluminum alloy fin material for a heat exchanger is characterized by comprising an aluminum alloy containing 1.00-1.60 mass% of Mn, 0.70-1.20 mass% of Si, 0.05-0.50 mass% of Fe, 0.05-0.35 mass% of Cu, and 1.00-1.80 mass% of Zn, the remaining portion being Al and incidental impurities, wherein the matrix of the aluminum alloy has a fibrous structure, and the aluminum alloy fin material has a tensile strength of 170-230 MPa. The present invention can provide an aluminum alloy fin material that is for a heat exchanger and that has superior moldability before brazing, superior brazeability, and superior strength characteristics and corrosion resistance after brazing. 一种热交换器用铝合金翅片材，其特征在于，所述热交换器用铝合金翅片材由铝合金形成，所述铝合金含有1.00～1.60质量％的Mn、0.70～1.20质量％的Si、0.05～0.50质量％的Fe、0.05～0.35质量％的Cu以及1.00～1.80质量％的Zn，剩余部分由Al和不可避免的杂质构成，该铝合金的基体为纤维状组织，所述热交换器用铝合金翅片材的拉伸强度为170～230MPa。根据本发明，能提供一种热交换器用铝合金翅片材，其钎焊前的成型加工性优异，并且钎焊性优异，钎焊后的强度特性、耐蚀性优异。