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Engineering,Central South University,Changsha 410083,China)Abstract:The creep aging behavior of 2219 aluminum alloy was studied on the RWS-50 electronic creep testing machine at 438-458 K... and the related constants were determined. The constitutive relationship among steady creep strain rate,tested stress and aging temperature of 2219 aluminum alloy was obtained. The results show that the steady......
by ultrasonic is at 550 ℃ for 24 h. Key words: 2219 aluminum alloy; ultrasonic; homogenization; the second phase 2219铝合金属Al-Cu-Mn系,是析出强化型合金,可热处理强化,具有较高的室温强度及良好的高温和超低温性能,广泛应用于航空,航天及其他军民运载工具,例如贮藏液氢,液态氧的... of 2219 aluminum alloy treated by ultrasonic 图2 超声铸造2219铝合金铸态DSC分析曲线 Fig. 2 DSC curve of as-cast sample of 2219 aluminum alloy treated by ultrasonic 560.79 ℃为Al2Cu相该温度即2219铝合金铸锭的常规过烧温度,合金的均匀化热处......
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Trans. Nonferrous Met. Soc. China 22(2012) s370-s375 Effect of pre-deformation on microstructure and mechanical properties of 2219 aluminum alloy sheet by thermomechanical treatment AN Li-hui1,2, CAI... and microstructure of metal materials. The effect of pre-deformation on the microstructure and mechanical properties of 2219 aluminum alloy sheet by TMT process was investigated. The studies show that the yield......
,2219铝合金板材存在一定各向异性,轧制方向(0°)抗拉强度最高,横向(90°)最低. 图1 2219铝合金管材不同方向工程应力-应变曲线 Fig. 1 Engineering stress-strain curves of 2219 aluminum alloy sheet along different directions 表1 2219铝合金板材不同方向力学性能参数 Table 1 Mechanical properties of 2219 aluminum alloy sheet along different directions 1.2 拉伸成形实验装置 图2所示为用于2219铝合金板材拉伸成形的数控薄板拉伸成形装置,是法国阿尔斯通-ACB集团生产的FET-1500型拉伸成形机,可提供连续的拉伸成形动作.该拉伸成......
for stress aging of 2219 aluminum alloy ZHAN Lihua, ZHANG Jiao, JIA Shufeng (State Key Laboratory of High Performance Complex Manufacturing, School of Mechanical and Electrical Engineering, Central... the experiment of creep aging. Key words: stress relaxation aging; creep aging; mechanical properties; strength model; 2219 aluminum alloy 随着航空航天业的迅猛发展,针对复杂结构薄壁零件冷加工成形精度低,尺寸一致性差等难题,欧美等发达国家重点开展了应力松弛时效......
Mechanical properties of underwater friction stir welded 2219 aluminum alloy LIU Hui-jie(刘会杰), ZHANG Hui-jie(张会杰), HUANG Yong-xian(黄永宪), YU Lei(于 雷) State Key Laboratory of Advanced Welding...; Abstract: Underwater friction stir welding of 2219 aluminum alloy was carried out in order......
Trans. Nonferrous Met. Soc. China 29(2019) 1152-1160 Constitutive modeling and springback prediction of stress relaxation age forming of pre-deformed 2219 aluminum alloy Kai WANG1,2, Li-hua ZHAN1,2.... Key words: 2219 aluminum alloy; stress relaxation ageing; unified constitutive model; springback 1 Introduction As the aero-space industry develops rapidly, large integral panel components featuring......
forming process of aluminum alloy 2219[J]. Journal of Plasticity Engineering, 2018, 25(5): 284-290. [6] 宋建岭, 李超. 搅拌摩擦焊在运载火箭贮箱制造中的应用与发展[J]. 焊接, 2018(5): 21-27, 66. SONG Jianling, LI Chao. Application...搅拌摩擦焊和固溶处理的工序顺序研究[J]. 热加工工艺, 2018, 47(5): 1-4. HE Diqiu, YANG Chuanping, LIN Junyuan. Study on procedure sequence of friction stir welding and solution treatment of 2219 aluminum alloy[J]. Hot Working......
Trans. Nonferrous Met. Soc. China 27(2017) 258-271 Segregation in fusion weld of 2219 aluminum alloy and its influence on mechanical properties of weld Quan LI1,2, Ai-ping WU1,3,4, Yan-jun LI1, Guo... in the transverse direction due to the macrosegregation bands. Key words: 2219 aluminum alloy; fusion welding; macrosegregation; microsegregation; mechanical behavior 1 Introduction The 2219 (Al-Cu) heat......
