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-Li alloy during creep age forming ZHOU Chang(周畅)1, ZHAN Li-hua(湛利华)1, 2, 3, LI He(李贺)1,ZHAO Xing(赵兴)1, 2, 3, HUANG Ming-hui(黄明辉)1, 2, 3 1. College of Mechanical and Electrical Engineering, Central... behaviour. Key words: Al-Cu-Li alloys; creep age forming; mechanical properties; microstructure; precipitation Cite this article as: ZHOU Chang, ZHAN Li-hua, LI He, ZHAO Xing, HUANG Ming-hui......
relaxation or creep-forming occurred during the age forming. Fig. 3 OM images of 2A12 aluminum alloy after artificial aging (a) and age forming (b) The TEM morphology of the precipitates in 2A12... the flowability of dislocations. Although previous researches have obtained substantial achievements, there are few reports about the age forming of 2A12 aluminum alloy which is an important material used......
置 Fig. 1 Four-point-bend creep age forming tester 1.2 蠕变时效试验过程 将板材试样在盐浴炉中进行493 ℃保温45 min的固溶处理,淬火后分别进行1%,2%,2.5%,3%,3.5%,4%,5%,6%的预拉伸变形,无预拉伸变形试样作为参照.然后将试样装载到单曲率弯曲装置上并加载到半径1000 mm后,置于加热炉中进行... for age-forming[J]. Materials Science Forum, 2002, 396(1): 601-606. [4] JESHVAGHANI R A, ZOHDI H, SHAHVERDI H R, BOZORG M, HADAVI S M. Influence of multi-step heat treatments in creep age forming......
变时效成形;有限元仿真;回弹 中图分类号:TG146.21 文献标志码:A Finite element simulation for creep age forming of 7055 aluminum alloy... developed by the large scale commercial finite element software MSC.Marc, and 7055 aluminum alloy stiffened panel creep age forming process simulations were completely conducted. Then springback......
Trans. Nonferrous Met. Soc. China 23(2013) 1922-1929 Creep age forming of 2124 aluminum alloy with single/double curvature Jin ZHANG, Yun-lai DENG, Si-yu LI, Ze-yu CHEN, Xin-ming ZHANG School..., the variation characteristics of physical property and microstructure in bending creep age forming process, a series of creep forming tests of 2124 aluminum alloy were conducted based on three kinds of single......
Abstract: Creep age forming techniques have been widely used in aerospace industries. In this study, we investigated the effect of aging temperature (143 °C-163 °C) on the creep behavior of Al-Li-S4... of the development of creep age forming: Experimentation, modelling and applications [J]. International Journal of Machine Tools and Manufacture, 2011, 51(1): 1-7. DOI: 10.1016/j.ijmachtools.2010.......
with the experimental data, which validates the proposed model. Key words: constitutive modelling; Al-Li-S4 alloy; creep age forming; microstructures; numerical algorithms 1 Introduction Creep age forming is an advanced... and mechanical performance of large complex components, the creep age forming (CAF) process has been widely studied in recent years [3-6]. During the CAF process, stress-induced deformation and artificial......
Microstructure, tensile properties and compressive creep resistance of Mg-(5-8.5)%Sn-2%La alloys ZHANG Xiao-ping(章晓萍), CHEN Yun-gui(陈云贵), XIAO Su-fen(肖素芬), TANG Yong-bai(唐永柏..., tensile properties and compressive creep resistance of permanent-mould cast Mg-(5-8.5)%Sn-2%La (mass fraction) alloys were investigated. The results show that Mg-(5-8.5)%Sn-2%La alloys are all composed......
Trans. Nonferrous Met. Soc. China 25(2015) 3048-3055 Constitutive modeling and springback simulation for 2524 aluminum alloy in creep age forming You-liang YANG1,2, Li-hua ZHAN1,2, Jie LI2,3 1. State... and springback simulation for AA2524 sheet in creep age forming (CAF) process were presented. A series of creep aging tests were performed on AA2524 at the temperature of 180-200 °C and under......
Age hardening characteristics and mechanical properties of Mg-3.5Dy-4.0Gd-3.1Nd-0.4Zr alloy LI De-hui(李德辉)1, DONG Jie(董 杰)1, ZENG Xiao-qin(曾小勤)1, LU Chen(卢 晨)1, DING Wen-jiang(丁文江)1 National Engineering Research Center for Light Alloy Net Forming, Shanghai Jiao Tong University, Shanghai 200030, China Received 28 July 2006; accepted 15 September 2006 Abstract: Age hardening characteristic......