6A02铝合金异型管成分调控及试制生产工艺研究  

Study on Composition Reguletion and Trial Production Technology of 6A02 Aluminum alloy Special-shaped Tube

作　　者：李恩波 王渊 樊晨 马多 李美玲 LI En-bo;WANG Yuan;FAN Chen;MA Duo;LI Mei-ling(Liaoning Zhongwang Group Co.,Ltd.,Liaoyang Liaoning 111003,China)

机构地区：[1]辽宁忠旺集团有限公司,辽宁辽阳111003

出　　处：《热处理技术与装备》2022年第4期19-23,共5页Heat Treatment Technology and Equipment

摘　　要：研究了合金成分调控及生产工艺对6A02铝合金异型管组织和性能的影响。结果表明,化学成分在内控范围内,同时生产工艺条件选择均匀化处理制度为525~540℃×12 h、铸棒加热温度为490±10℃、挤压速度为4.5~5.0 m/min、挤压系数为37、人工时效制度为175℃×9 h,所获得6A02铝合金异型管的力学性能、低高倍组织和产品质量均符合技术要求。The effect of the alloy composition reguletion and production technology on the microstructure and properties of 6 A02 aluminum alloy special-shaped tube was studied. The results show that when the chemical composition is within the internal control range, and that the homogenization treatment system is in the range of 525 to 540 ℃ for 12 h, the heating temperature is 490±10 ℃, the extrusion rate is 4.5 to 5.0 m/min, the extrusion coefficient is 37 and the aging system is 175 ℃ for 9 h, the mechanical properties, macrostructure and product quality of 6 A02 special-shaped tube all meet the technical requirements.

关 键 词：6A02铝合金 Mg_(2)Si相 均匀化处理 挤压工艺参数 时效 

分 类 号：TG166.3[金属学及工艺—热处理]