2024合金反向挤压型材生产工艺  

Production technology of 2024 alloy backward extrusion profile

作　　者：陆宏韬 王力颢 丁昊 王睿 杨明 Lu Hongtao;Wang Lihao;Ding Hao;Wang Rui;Yang Ming(Yingkou Zhongwang Aluminum Co.,Ltd.,Yingkou 115000,China)

机构地区：[1]营口忠旺铝业有限公司,营口115000

出　　处：《铝加工》2022年第2期52-55,共4页Aluminium Fabrication

基　　金：辽宁省科技重大专项资助(2019JH1/10100012)。

摘　　要：采用20 MN卧式反向挤压机对2024合金进行挤压生产,通过工艺试验找到合适的挤压生产工艺。研究结果表明,当进行490℃×1.5 h淬火处理后,型材T4状态的屈服强度为390 MPa,抗拉强度为560 MPa,断后延伸率为15%,剥落腐蚀达到N级。A 20MN horizontal inverse extruder was used to produce 2024 alloy extruded profiles,and a suitable extrusion production process was found through process tests.The research results show that after quenching at 490℃×1.5h,the yield strength of the profile in T4 is 390 MPa,the tensile strength is 560 MPa,the elongation after fracture is 15%,and the exfoliation corrosion reaches N level.

关 键 词：2024合金 反向挤压 型材 挤压工艺 

分 类 号：TG379[金属学及工艺—金属压力加工]