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7050 aluminum alloy ingot homogenizing the phase transformation process

T-phase is essentially transformed into s phase. (Continued on page 52) 52IA Wu 'Light Alloy Fabrication Technology 2007, Vo1.35, Nol (on the next page 19) [3] FRIDLYANDERJN, SENATOROVAOG. Developmentandapplicationofhigh-strengthAI-Zn-Mg-Cual-loys [J]. MaterialsScienceForum ,217-222 (1996) :1813-1818. HEIZA, HASLERA, Recentdevelopmentinaluminumalloyforaerospaceapplications [J]. MaterialsScienceandEngineering, A280 (2000) :102-107. Su Xue Chang, Xu Peiyu. Had burned 7075 alloy [J]. Light metal, 1985,78 (3) :45-48. Zhong Zhiguo, left Xiurong, Weng Yonggang, et al. Wrought Aluminum Alloy uniform application of heat treatment situation and research progress [J]. Light Alloy Fabrication Technology, 2006,34 (1): 1O a 13. Duan Bo, Tang Jian, ZENG Su Min. Stage of homogenization treatment on the degree of uniformity of 7A04 alloy and over-burning temperature [J]. Aluminum, 2003,150 (3) :23-26. Ningai Lin, Su Zeng people. Strengthen the homogenization of 7B04 aluminum alloy cast and Properties [J]. Thermal processing technology, 2o03 (6) :5-7. Land affairs. A new ultra high strength aluminum alloy homogenization process of [J]. Of Aeronautical Materials, 2001,21 (2) :14-17. Wei Liu, Effect of Sc in John Liu. Strengthening solution for 7075 Aluminum Alloy Properties [J]. Metal Heat Treatment, 2000 (9) :16-17. FANX, JGD, MENGQ,[link widoczny dla zalogowanych], ZHONGLi. ThemicrostmcturalevolutionofallAI-Zn-Mg-Cualloyduringho-mogenization [JJ. MaterialsLetters ,2006,60:1475-1479. Chen Shaokang. LC4 alloy composition and low melting point eutectic solid solution changes [J]. Aluminum, 1994,17 (6) :18-24. (Continued from page 24) Figure 4A1 �� Zn-Mg-Cu alloy equilibrium diagrams in the (Cu + Mg) = 5%, W (Zn) = 6% of the variable temperature section of the transect so 7050 alloy in the 470 ~ C uniformly After the composition of the phase at the AJ and CuMg (S) phase coexistence state. Compared to the S phase of the high melting point T, in order to CuMg (S)-phase solution to maximize the human matrix, improving the ability of alloys to strengthen the guarantee, but the premise of burning, should further improve the uniformity of ingot processing temperature. 3 Conclusion 7050 at 470 ~ C ingot homogenization,[link widoczny dla zalogowanych], the ingot of the T phase in the gradual process of uniform into S phase, than the melting point of the S-phase high-T phase,[link widoczny dla zalogowanych], the homogenization, the tissue number of S phase there needs to further improve the process, so that one solution to maximize the S-phase matrix, to achieve uniformity of the best results. References: [1] optical spectrum of studies. Deformation of aluminum alloy microstructure map [M]. Beijing: Metallurgical Industry Press, 1975. [2] Xiao Qing, XIE Shui-sheng, LIU Jing,[link widoczny dla zalogowanych], et al. Aluminum technology and practical hands Cd-[M]. Beijing: Metallurgical Industry Press, 2005. Gordon Power Group 1450mm cold rolling mill commissioned in 2006 by the end of the original board Power Group Co., Ltd. Aluminum 1 set ~ 380/1050 �� 1800mm four-high reversing cold mill is not, is being designed Yang equipment company, since 2003 production has been in normal operation . A new company, b360/960mm �� 1450mm four-high reversing cold mill is not in a successful trial run in September 2006, then enter the pilot production stage and at the end of production. The aircraft's design thickness of the thinnest strip 0.08mm,[link widoczny dla zalogowanych], but in the test successfully rolled out when the strip 0.06mm. In the future the company will use this machine mainly specialized rolling PS substrates, the mill's production of diversified products, adjust product mix and new product development has a positive role in promoting, for the company to create a new economic growth point. (WANG Zhu-tang )]]]]]] 012nnn

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