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alloy[J]. JOM, 2003, 55(1): 45-48. [5] PARK J K. Influence of retrogression and re-ageing on the strength and stress corrosion resistance of aluminium alloy 7075-T6 [J]. Mater Sci Eng A, 1988, 103(2.... However, the strength of the 7??? series Al alloys with these over-aging treatments is decreased. The 7??? series Al alloys with retrogression and re-aging (RRA) treatment possess high strength and good......
. Evolution of precipitate microstructures during the retrogression and re-ageing heat treatment of an Al-Zn-Mg-Cu alloy [J]. Acta Materialia, 2010, 58(14): 4814-4826. [11] LI J F, BIRBILIS N, LI C X, JIA... Science, 2006, 48(10): 3139-3156. [26] PENG Guo-sheng, CHEN Kang-hua, CHEN Song-yi, FANG Hua-chan. Influence of dual retrogression and re-aging temper on microstructure, strength and exfoliation......
and re-ageing heat treatment of an Al-Zn-Mg-Cu alloy[J]. Acta Materialia, 2010, 58(14): 4814-4826. [3] 张 珏. 铝合金在航空航天中的应用[J]. 铝加工, 2009(3): 50-53. ZHANG Jue. Application of aluminum alloy to aerospace... corrosion resistance in aluminum alloy 7075 through retrogression and re-aging modification[J]. Advanced Materials Research, 2013, 789: 467-475. (编辑 龙怀中) 基金项目:国家自然科学基金资助项目(50871123);中澳科技合作特别基金资助项目......
is high. Yb additions can remarkably decrease the growth rate of SCC of the alloy and enhance the critical stress intensity KISCC from 9.8 MPa·m1/2 to 17.0 MPa·m1/2. In retrogression and re-ageing state...-lin, LIU Yan-bin, ZENG Su-ming. Retrogression and re-aging treatment of Al-9.99%Zn-1.72%Cu-2.5%Mg-0.13%Zr aluminum alloy [J]. Trans Nonferrous Met Soc China, 2006, 16(5): 1163-1170. [6] TANAKA H......
of annealing process of T6 sample at 180-240 °C for 5-2400 s called as retrogression, which was followed by re-aging implementing similar conditions as used for the original T6 aging. During... are sensitive to the pre-ageing temperature and retrogression heating rate. With an intermediate pre-ageing temperature of 60 °C and a slow retrogression heating rate of 5 °C/min, RRA-treated samples can......
(3): 57-61.LI Hai, ZHENG Zi-qiao, WANG Zhi-xiu. Effect of over-ageing and re-solution and re-ageing treatment on microstructures and properties of 7055 al alloy[J]. Transactions of Materials and Heat..., 11(5): 31-27.ZHENG Zi-qiao, LI Hong-ying, MO Zhi-ming. Retrogression and reaging treatment of a 7055 type aluminum alloy[J]. The Chinese Journal of Nonferrous Metals, 2001, 11(5): 31-27. [6......
of precipitate microstructures during the retrogression and re-ageing heat treatment of an Al-Zn-Mg-Cu alloy[J]. Acta Materialia, 2010, 58(14): 4814-4826. [4] ROMETSCH P A, ZHANG Y, KNIGHT S. Heat...(5): 1234-1240. LI Guo-feng, ZHANG Xin-ming. Effect of retrogression cooling rate on mechanical properties and resistance to intergranular corrosion of 7050 aluminum alloy[J]. The Chinese Journal......
-ming, LIU Sheng-dan. Effect of non-isothermal retrogression and re-ageing on through-thickness homogeneity of microstructure and properties in7055 aluminum alloy medium thick plate[J]. The Chinese...[J]. Chinese Journal of Rare Metals, 2012, 36(2): 191-195. [13] PENG Guo-sheng, CHEN Kang-hua, CHEN Song-yi, FANG Hua-chan. Influence of dual retrogression and re-aging temper on microstructure......
[J]. Acta Metallurgica Sinica, 2015, 51(3): 257-271. [4] MARLAUD T, DESCHAMPS A, BLEY F, LEFEBVREC W. Evolution of precipitate microstructures during the retrogression and re-ageing heat treatment... Science & Engineering A, 2016, 650: 210-217. [7] LI H, XU W, WANG Z, FANG B, SONG R, ZHENG Z. Effects of re-ageing treatment on microstructure and tensile properties of solution treated and cold......
corrosion, EFC),尤其峰值时效状态(T6)下,合金常出现更为严重的局部腐蚀倾向. 为了提高7000系铝合金IGC抗力,过时效(T7)是一种常用热处理方法,但常造成合金强度下降;相比之下,回归再时效(Retrogression and re-ageing, RRA)能在不降低强度基础上提高合金IGC抗力,然而,回归处理时间窗口较窄的工艺特点限制了其在厚截面材料上的广泛应用.其实,如果在固溶处理.... Effect of over-ageing and re-solution and re-ageing treatment on microstructures and properties of 7055 Al alloy[J]. Transactions of Materials and Heat Treatment, 2004, 25(3): 57-62. [11] XU D K......