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)11-4034-10 Effect of two-step ageing treatment on microstructure and properties of Al-Zn-Mg-Zr alloy containing Sc HUANG Xing1, PAN Qinglin1, LI Bo1, SHI Yunjia1, HUANG Zhiqi2, LIU Zhiming2 (1. School..., intergranular corrosion resistance, exfoliation corrosion resistance, mechanical properties, electrical conductivity and microstructure of Al-Zn-Mg-Zr alloy containing Sc after two-step ageing......
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; AlFeSi phase; electrical conductivity; ageing treatment 由电导率≥58.5%(IACS),抗拉强度≥230 MPa 的Al-Mg-Si系铝合金单丝绞制成的中强度全铝合金导线是国家电网公司推广的节能导线[1-3].该Al-Mg-Si系铝合金导体材料由α(A1),亚稳态Mg2Si相和AlFeSi相组成.根据w(Mg)/w(Si)比值,可将Al...-xSi-0.32Mg合金线中的Al-Fe-Si相形貌 Fig. 2 Micrographs of AlFeSi phase in Al-xSi-0.32Mg drawn wire 表3 时效温度对合金b~d抗拉强度和电导率的影响 Table 3 Effect of ageing temperature on tensile strength and electrical......
; 文献标志码:A Effect of interrupted ageing on mechanical property and microstructure of AA2024 alloy YIN Mei-jie, CHEN Jiang-hua, LIU Chun-hui (College of Materials Science and Engineering, Hunan University, Changsha 410082, China) Abstract: The effect of interrupted ageing(IA) on the mechanical property and microstructure of AA2024 alloy, in which the S phase serves as the main......
with high-temperature pre-precipitation treatment are 500MPa, 13.0% and 10.2MPa·m1/2, respectively. Key words: Al-Zn-Mg series; aluminum alloy; stress corrosion; pre-precipitation; ageing  ..., pre-precipitation and ageing treatment of 7A52 alloys 1.3 性能测试 用HBRVU-187.5型布洛维硬度计测量洛氏硬度HRB, 实验加载力为980N; 用 SX1931数字式微欧计和四探针法测定矩形试样的电阻率, CSS-44100型电子拉伸机上测定板材拉伸性能. 应力腐蚀实验参照GB12445.1-90......
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Zhi-qing, WU Sai-nan, HUANG Guang-jie. Effect of pre-straining and pre-ageing on bake hardening response of Al-Mg-Si alloy[J]. The Chinese Journal of Nonferrous Metals, 2013, 23(3): 623-627. [4] 纪艳丽... and after paint bake cycle for a 6016 aluminum alloy[J]. Journal of Chinese Electron Microscopy Society, 2012, 31: 461-467. [7] BIROL Y, KARLIK M. The interaction of natural ageing with straining......