Relationship Between the Strengthening Effect and the Morphology of Precipitates in Al-7.4Zn-1.7Mg-2.0Cu Alloy

金属学报(英文版), 2014, 27(6): 1070-1077. doi: 10.1007/s40195-014-0122-7

Xiubo Yang ^1, , Jizi Liu ^2, , Jianghua Chen ^3, , Caiyun Wan ^4, , Lei Fang ^5, , Ping Liu ^6, , Cuilan Wu ^7,

1.College of Materials Science & Engineering, Hunan University, Changsha 410082, China

2.College of Materials Science & Engineering, Hunan University, Changsha 410082, China;Hunan Province Key Laboratory for Spray Deposition Technology and Application, Hunan University, Changsha 410082, China

3.College of Materials Science & Engineering, Hunan University, Changsha 410082, China;Hunan Province Key Laboratory for Spray Deposition Technology and Application, Hunan University, Changsha 410082, China

4.College of Materials Science & Engineering, Hunan University, Changsha 410082, China

5.College of Materials Science & Engineering, Hunan University, Changsha 410082, China

6.College of Materials Science & Engineering, Hunan University, Changsha 410082, China

7.College of Materials Science & Engineering, Hunan University, Changsha 410082, China;Hunan Province Key Laboratory for Spray Deposition Technology and Application, Hunan University, Changsha 410082, China

基金项目: This work was financially supported by the National Basic Research Program of China (No.2009CB623704),the National Natural Science Foundation of China (Nos.51171063,10904034,51071064 and 51301064),Instrumental Innovation Foundation of Hunan Province (No.2011TTl003),the Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province and the Aid Program for Young Teachers (No.531107040548).

Relationship Between the Strengthening Effect and the Morphology of Precipitates in Al-7.4Zn-1.7Mg-2.0Cu Alloy

Keywords： Aluminum alloys

参考文献

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[2]	J.Z. Liu;J.H. Chen;X.B. Yang;S. Ren;C.L. Wu;H.Y. Xu;J. Zou .Revisiting the precipitation sequence in Al–Zn–Mg-based alloys by high-resolution transmission electron microscopy[J].Scripta materialia,2010(11):1061-1064.
[3]	T. Marlaud;A. Deschamps;F. Bley .Influence of alloy composition and heat treatment on precipitate composition in Al-Zn-Mg-Cu alloys[J].Acta materialia,2010(1):248-260.
[4]	T. Marlaud;B. Malki;C. Henon;A. Deschamps;B. Baroux .Relationship between alloy composition, microstructure and exfoliation corrosion in Al-Zn-Mg-Cu alloys[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2011(10):3139-3149.
[5]	K. Stiller;P.J. Wdrren .Investigation of precipitation in an Al-Zn-Mg alloy after two-step ageing treatment at 100°and 150℃[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(1):55-63.
[6]	P. GUYOT;L. COTTIGNIES .PRECIPITATION KINETICS, MECHANICAL STRENGTH AND ELECTRICAL CONDUCTIVITY OF AlZnMgCu ALLOYS[J].Acta materialia,1996(10):4161-4167.
[7]	J.F. Nie .Effects of precipitate shape and orientation on dispersion strengthening in magnesium alloys[J].Scripta materialia,2003(8):1009-1015.

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Relationship Between the Strengthening Effect and the Morphology of Precipitates in Al-7.4Zn-1.7Mg-2.0Cu Alloy

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