2014-T6铝合金挤压棒材工艺研究  

Study on Process of 2014-T6 Aluminum Alloy Extruded Bar

作　　者：周京辉 万里 杨荣 ZHOU Jing-hui;WAN Li;YANG Rong(Guangdong Fenglu Aluminum Co.,Ltd.,Foshan 528133,China)

机构地区：[1]佛山市三水凤铝铝业有限公司,佛山528133

出　　处：《铝加工》2020年第2期40-42,共3页Aluminium Fabrication

摘　　要：采用电子万能试验机、钨灯丝扫描电子显微镜、ZEISS金相显微镜分析比较了2014铝合金挤压棒材在挤压态、固溶淬火态、不固溶直接时效状态、固溶时效状态下的组织和性能的区别。并对固溶淬火态的棒材,采用多种时效工艺进行试验,以期为在实际生产中如何选择合适的时效制度提供参考与帮助。对Ф38 mm 2014铝合金挤压棒材进行502℃固溶淬火,经160℃×12 h时效处理后,其抗拉强度Rm、屈服强度Rp0.2和断后伸长率A分别达到564 MPa、515 MPa和10.5%。The microstructure and properties of extrusion,solution quenching,direct aging and solution aging of 2014 aluminium alloy extruded bars were analyzed and compared by electronic universal testing machine,tungsten filament scanning electron microscope,digital Brinell hardness tester and ZEISS metallographic microscope. To guide the actual production to choose the appropriate aging system,a variety of aging processes should be adopted for bars of solution. The tensile strength,yield strength and elongation of the extruded 38 mm bar of 2014 aluminium alloy can reach 564 MPa,515 MPa and 10.5% respectively after solution quenching at502℃ and aging at 160℃ for 12 h.

关 键 词：2014铝合金 固溶淬火态 时效 组织 性能 

分 类 号：TG379[金属学及工艺—金属压力加工]