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Zirconium (Zr) has a hexagonal close-packed crystal structure, which exhibits elastic and plastic anisotropy. Internal stresses can be easily generated in the rolling process and the subsequent plastic deformation process. It is critical to evaluate the internal stresses and the deformation mechanisms of Zr alloy materials. The deformation behaviors of Zr alloy influence directly its service life and safety. In this work, compression deformation behaviors of zircaloy-4 (Zr-4) alloy have been studied by the in situ neutron diffraction technique combined with the elastic-plastic self-consistent (EPSC) simulation. A compressive external load is applied along the thickness direction of the rolled plate, which is called through-thickness compression. Electron back-scattered diffraction is used to analyze the texture evolution during the plastic deformation. Transmission electron microscopy (TEM) is used to measure the distribution of the defects in the deformed sample. The EPSC simulation provides the deformation mechanism quantitatively by fitting the in situ neutron diffraction data, and the simulated results is confirmed by the TEM observations. Results show that when the true strain is small (less than 0.55%), prismatic {1010}20> (a> type) slip dominates; however, as the plastic strain is increased, the percentage of pyramidal {1011}23> (c+a> type) slip becomes larger than that of prismatic {1010}20> (a> type) slip, and the pyramidal {1011}20> (a> type) slip and pyramidal {1012}20> (a> type) slip may exist.
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Keywords:
- zirconium alloy /
- in situ neutron diffraction /
- elastic-plastic self-consistent simulation /
- deformation mechanism
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[2] Fisher E S, Renken C J 1964 Phys. Rev. 135 A482
[3] Tome C N, Maudlin P J, Lebensohn R A, Kaschner G C 2001 Acta Mater. 49 3085
[4] McCabe R J, Cerreta E K, Misra A, Kaschner G C, Tome C N 2006 Philos. Mag. 86 3595
[5] Beyerlein I J, Tome C N 2008 Int. J. Plast. 24 867
[6] Noyan I C, Cohen J B 1987 Residual Stress Measurement by Diffraction and Interpretation (New York: Springer)
[7] Pang J W L, Holden T M, Turner P A, Mason T E 1999 Acta Mater. 47 373
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[9] Wei B 2013 Chin. Phys. B 22 087405
[10] Allen A, Andreani C, Hutchings M T, Windsor C G 1981 NDT Int. 14 249
[11] Withers P J 2007 Comptes. Rendus. Phys. 8 806
[12] Albertini G, Bruno G, Carrado A, Fiori F, Rogante M, Rustichelli F 1999 Meas. Sci. Technol. 10 R56
[13] Stone H J, Withers P J, Holden T M, Roberts S M, Reed R C 1999 Metall. Mater. Trans. A 30 1797
[14] Jia N, Peng L R, Brown D W, Clausen B, Wang Y D 2008 Metall. Mater. Trans. A 39 3134
[15] Muránsky O, Sittner P, Zrnik J, Oliver E C 2008 Metall. Mater. Trans. A 39 3097
[16] Davydov V, Lukas P, Strunz P, Kuzel R 2009 J. Phys.: Condens. Matter 21 095407
[17] Proust G, Kaschner G C, Beyerlein I J, Clausen B, Brown D W, McCabe R J, Tome C N 2010 Exp. Mech. 50 125
[18] Ma D, Stoica A D, An K, Yang L, Bei H, Mills R A, Skorpenske H, Wang X L 2011 Metall. Mater. Trans. A 42 1444
[19] Eshelby J D 1957 Proc. R. Soc. Lond. A 241 376
[20] Hill R 1965 J. Mech. Phys. Solids 13 89
[21] Hutchinson J W 1976 Proc. R. Soc. Lond. A 348 101
[22] Lebensohn R A, Tome C N 1993 Acta Metall. Mater. 41 2611
[23] Proust G, Tome C N, Kaschner G C 2007 Acta Mater. 55 2137
[24] Gloaguen D, Berchi T, Girard E, Guillen R 2007 Acta Mater. 55 4369
[25] Li H J, Sun G A, Woo W, Gong J, Chen B, Wang Y D, Fu Y Q, Huang C Q, Xie L, Peng S M 2014 J. Nucl. Mater. 446 134
[26] Hao X P, Wang B Y, Yu R S, Wei L 2007 Acta Phys. Sin. 56 6543 (in Chinese) [郝小鹏, 王宝义, 于润升, 魏龙 2007 56 6543]
[27] Hutchinson J W 1970 Proc. R. Soc. Lond. A 319 247
[28] Turner P A, Christodoulou N, Tomé C N 1995 Int. J. Plast. 11 251
[29] Tenckhoff E 1988 Deformation Mechanisms, Texture, and Anisotropy in Zirconium and Zircaloy (Philadelphia: Special Technical Publication) pp19-23
[30] Holt R A, Causey A R 1987 J. Nucl. Mater. 150 306
[31] Wei Y L, Godfrey A, Liu W, Liu Q, Huang X, Hansen N, Winther G 2011 Scripta Mater. 65 355
[32] Caillard D, Couret A 2002 Mat. Sci. Eng. A 322 108
[33] Bacon D J, Vitek V 2002 Metall. Mater. Trans. A 33 721
[34] Monnet G, Devincre B, Kubin L P 2004 Acta Mater. 52 4317
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[1] Northwood D O 1985 Mater. Des. 6 58
[2] Fisher E S, Renken C J 1964 Phys. Rev. 135 A482
[3] Tome C N, Maudlin P J, Lebensohn R A, Kaschner G C 2001 Acta Mater. 49 3085
[4] McCabe R J, Cerreta E K, Misra A, Kaschner G C, Tome C N 2006 Philos. Mag. 86 3595
[5] Beyerlein I J, Tome C N 2008 Int. J. Plast. 24 867
[6] Noyan I C, Cohen J B 1987 Residual Stress Measurement by Diffraction and Interpretation (New York: Springer)
[7] Pang J W L, Holden T M, Turner P A, Mason T E 1999 Acta Mater. 47 373
[8] Gou C, Cheng Y F, Chen D F, Hu B P, Wang Y Z, Liu G C, Yan Q W, Zhang P L, Sun X D, Wei Y N, Sun K 1994 Chin. Phys. 3 764
[9] Wei B 2013 Chin. Phys. B 22 087405
[10] Allen A, Andreani C, Hutchings M T, Windsor C G 1981 NDT Int. 14 249
[11] Withers P J 2007 Comptes. Rendus. Phys. 8 806
[12] Albertini G, Bruno G, Carrado A, Fiori F, Rogante M, Rustichelli F 1999 Meas. Sci. Technol. 10 R56
[13] Stone H J, Withers P J, Holden T M, Roberts S M, Reed R C 1999 Metall. Mater. Trans. A 30 1797
[14] Jia N, Peng L R, Brown D W, Clausen B, Wang Y D 2008 Metall. Mater. Trans. A 39 3134
[15] Muránsky O, Sittner P, Zrnik J, Oliver E C 2008 Metall. Mater. Trans. A 39 3097
[16] Davydov V, Lukas P, Strunz P, Kuzel R 2009 J. Phys.: Condens. Matter 21 095407
[17] Proust G, Kaschner G C, Beyerlein I J, Clausen B, Brown D W, McCabe R J, Tome C N 2010 Exp. Mech. 50 125
[18] Ma D, Stoica A D, An K, Yang L, Bei H, Mills R A, Skorpenske H, Wang X L 2011 Metall. Mater. Trans. A 42 1444
[19] Eshelby J D 1957 Proc. R. Soc. Lond. A 241 376
[20] Hill R 1965 J. Mech. Phys. Solids 13 89
[21] Hutchinson J W 1976 Proc. R. Soc. Lond. A 348 101
[22] Lebensohn R A, Tome C N 1993 Acta Metall. Mater. 41 2611
[23] Proust G, Tome C N, Kaschner G C 2007 Acta Mater. 55 2137
[24] Gloaguen D, Berchi T, Girard E, Guillen R 2007 Acta Mater. 55 4369
[25] Li H J, Sun G A, Woo W, Gong J, Chen B, Wang Y D, Fu Y Q, Huang C Q, Xie L, Peng S M 2014 J. Nucl. Mater. 446 134
[26] Hao X P, Wang B Y, Yu R S, Wei L 2007 Acta Phys. Sin. 56 6543 (in Chinese) [郝小鹏, 王宝义, 于润升, 魏龙 2007 56 6543]
[27] Hutchinson J W 1970 Proc. R. Soc. Lond. A 319 247
[28] Turner P A, Christodoulou N, Tomé C N 1995 Int. J. Plast. 11 251
[29] Tenckhoff E 1988 Deformation Mechanisms, Texture, and Anisotropy in Zirconium and Zircaloy (Philadelphia: Special Technical Publication) pp19-23
[30] Holt R A, Causey A R 1987 J. Nucl. Mater. 150 306
[31] Wei Y L, Godfrey A, Liu W, Liu Q, Huang X, Hansen N, Winther G 2011 Scripta Mater. 65 355
[32] Caillard D, Couret A 2002 Mat. Sci. Eng. A 322 108
[33] Bacon D J, Vitek V 2002 Metall. Mater. Trans. A 33 721
[34] Monnet G, Devincre B, Kubin L P 2004 Acta Mater. 52 4317
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