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In the alloy with solute content higher than the limiting solubility, the solute atoms failing to dissolve will precipitate from the solid solution and form precipitations. In this study, the Portevin-Le Chatelier (P-LC) effects in annealed 5456 and 5052 aluminum alloys with different precipitation content are investigated under different applied strain rates respectively. The findings suggest that precipitations have a significant effect on the P-LC effect and different precipitation content has different effects. Furthermore, the solute diffusion is pipe diffusion in 5052 alloy with lower precipitation content. However, for 5456 alloy with higher precipitation content, the diffusion is no longer the case but more complex.
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Keywords:
- Portevin-Le Chatelier effect /
- dynamic strain aging /
- Al-Mg alloys
[1] Portevin A, Le Chatelier F 1923 Comp. Rend Acad Sci. Paris 176 507
[2] Mulford R A, Kocks U F 1979 Acta Metall. 27 1125
[3] Pink E, Grinberg A 1981 Mater. Sci. Eng. A. 51 1
[4] Lebyodkin M, Dunin-Barkovskii L, Bréchet Y, Estrin Y, Kubin L 2000 Acta Mater. 48 2529
[5] Chihab K, Estrin Y, Kubin L P, Vergnol J 1987 Scrip. Metall. 21 203
[6] Zhang Q C, Jiang Z Y, Jiang H F, Chen Z J, Wu X P 2005 Int. J. Plasticity 21 2150
[7] Lebedkina T A, Lebyodkin M A 2008 Acta Mater. 56 5567
[8] Xiang G F, Zhang Q C, Liu H W, Jiang H F, Wu X P 2006 Chin. Phys. 15 2378
[9] Cottrell A H 1953 Dislocations and Plastic Flow in Crystals(London: Oxford University Press) p134
[10] Estrin Y, Kubin L P 1986 Acta Metall. 34 2455
[11] Ananthakrishna G, Sahoo D 1981 J.Phys. D: Applied Phys. 14 2081
[12] Rizzi E, Hähner P 2004 Int. J. Plasticity 20 121
[13] Jiang H F, Zhang Q C, Chen X D, Chen Z J 2007 Acta Mater. 55 2219
[14] Tong W, Tao H, Zhang N, Hector Jr L G 2005 Scr. Mater. 53 87
[15] Benallal A, Berstad T, Brvik T, Hopperstad O S, Koutiri I, Nogueira de Codes R 2008 Int. J. Plasticity 24 1916
[16] Lu J Y, Jiang Z Y, Zhang Q C, Jiang H F, Liu H W 2006 Acta Phy. Sin. 55 3558(in Chinese)[卢俊勇、蒋震宇、张青川、江慧丰、刘颢文 2006 55 3558]
[17] Cao P T, Zhang Q C, Xiao R, Xiong S M 2009 Acta Phy. Sin. 58 5591(in Chinese) [曹鹏涛、张青川、肖 锐、熊少敏 2009 58 5591]
[18] Brechet Y, Estrin Y 1995 Acta Metall. 43 955
[19] Thevenet D, Mliha-Touati M, Zeghloul A 1999 Mater. Sci. Eng. A 266 175
[20] Sun L, Zhang Q C, Cao P T 2009 Chin. Phys. B 18 3500
[21] Sun L, Zhang Q C, Yan S P, Jiang H F, Liu H W, Lu J Y, Wu X P 2007 Acta Phy. Sin. 56 3411(in Chinese)[孙 亮、张青川、晏顺平、江慧丰、刘颢文、卢俊勇、伍小平 2007 56 3411]
[22] Jiang H F, Zhang Q C, Sun L, Wu X P 2006 Chin. Phys. 15 1051
[23] Murray J L 1982 Bulletin of Alloy Phase Diagrams 3 60
[24] Zhang S, McCormick P G, Estrin Y 2001 Acta Mater. 49 1087
[25] McCormick P G, Ling C P 1995 Acta Metall. 43 1969
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[1] Portevin A, Le Chatelier F 1923 Comp. Rend Acad Sci. Paris 176 507
[2] Mulford R A, Kocks U F 1979 Acta Metall. 27 1125
[3] Pink E, Grinberg A 1981 Mater. Sci. Eng. A. 51 1
[4] Lebyodkin M, Dunin-Barkovskii L, Bréchet Y, Estrin Y, Kubin L 2000 Acta Mater. 48 2529
[5] Chihab K, Estrin Y, Kubin L P, Vergnol J 1987 Scrip. Metall. 21 203
[6] Zhang Q C, Jiang Z Y, Jiang H F, Chen Z J, Wu X P 2005 Int. J. Plasticity 21 2150
[7] Lebedkina T A, Lebyodkin M A 2008 Acta Mater. 56 5567
[8] Xiang G F, Zhang Q C, Liu H W, Jiang H F, Wu X P 2006 Chin. Phys. 15 2378
[9] Cottrell A H 1953 Dislocations and Plastic Flow in Crystals(London: Oxford University Press) p134
[10] Estrin Y, Kubin L P 1986 Acta Metall. 34 2455
[11] Ananthakrishna G, Sahoo D 1981 J.Phys. D: Applied Phys. 14 2081
[12] Rizzi E, Hähner P 2004 Int. J. Plasticity 20 121
[13] Jiang H F, Zhang Q C, Chen X D, Chen Z J 2007 Acta Mater. 55 2219
[14] Tong W, Tao H, Zhang N, Hector Jr L G 2005 Scr. Mater. 53 87
[15] Benallal A, Berstad T, Brvik T, Hopperstad O S, Koutiri I, Nogueira de Codes R 2008 Int. J. Plasticity 24 1916
[16] Lu J Y, Jiang Z Y, Zhang Q C, Jiang H F, Liu H W 2006 Acta Phy. Sin. 55 3558(in Chinese)[卢俊勇、蒋震宇、张青川、江慧丰、刘颢文 2006 55 3558]
[17] Cao P T, Zhang Q C, Xiao R, Xiong S M 2009 Acta Phy. Sin. 58 5591(in Chinese) [曹鹏涛、张青川、肖 锐、熊少敏 2009 58 5591]
[18] Brechet Y, Estrin Y 1995 Acta Metall. 43 955
[19] Thevenet D, Mliha-Touati M, Zeghloul A 1999 Mater. Sci. Eng. A 266 175
[20] Sun L, Zhang Q C, Cao P T 2009 Chin. Phys. B 18 3500
[21] Sun L, Zhang Q C, Yan S P, Jiang H F, Liu H W, Lu J Y, Wu X P 2007 Acta Phy. Sin. 56 3411(in Chinese)[孙 亮、张青川、晏顺平、江慧丰、刘颢文、卢俊勇、伍小平 2007 56 3411]
[22] Jiang H F, Zhang Q C, Sun L, Wu X P 2006 Chin. Phys. 15 1051
[23] Murray J L 1982 Bulletin of Alloy Phase Diagrams 3 60
[24] Zhang S, McCormick P G, Estrin Y 2001 Acta Mater. 49 1087
[25] McCormick P G, Ling C P 1995 Acta Metall. 43 1969
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