Peierls barrier characteristic and anomalous strain hardening provoked by dynamic-strain-aging strengthening in a body-centered-cubic high-entropy alloy

作者: S. Y. Chen , L. Wang , W. D. Li , Y. Tong , K. K. Tseng

DOI: 10.1080/21663831.2019.1658233

关键词:

摘要: … The work quantifies the height of Peierls barriers in the bcc HfNbTaTiZr HEA, and reveals dynamic strain aging as the strengthening mechanism causing the anomalous strain …

参考文章(28)
M. A. Lebyodkin, Y. Brechet, Y. Estrin, L. P. Kubin, Statistics of the catastrophic slip events in the Portevin-Le Châtelier effect. Physical Review Letters. ,vol. 74, pp. 4758- 4761 ,(1995) , 10.1103/PHYSREVLETT.74.4758
Egidio Rizzi, Peter Hähner, On the Portevin–Le Chatelier effect: theoretical modeling and numerical results International Journal of Plasticity. ,vol. 20, pp. 121- 165 ,(2004) , 10.1016/S0749-6419(03)00035-4
S. M. Keralavarma, A. F. Bower, W. A. Curtin, Quantum-to-continuum prediction of ductility loss in aluminium–magnesium alloys due to dynamic strain aging Nature Communications. ,vol. 5, pp. 4604- ,(2014) , 10.1038/NCOMMS5604
R. Madec, B. Devincre, L. P. Kubin, From dislocation junctions to forest hardening. Physical Review Letters. ,vol. 89, pp. 255508- ,(2002) , 10.1103/PHYSREVLETT.89.255508
K. G. Samuel, S. L. Mannan, P. Rodriguez, Another manifestation of dynamic strain ageing Journal of Materials Science Letters. ,vol. 15, pp. 1697- 1699 ,(1996) , 10.1007/BF00636198
R.A. Mulford, U.F. Kocks, New observations on the mechanisms of dynamic strain aging and of jerky flow Acta Metallurgica. ,vol. 27, pp. 1125- 1134 ,(1979) , 10.1016/0001-6160(79)90130-5
K. Gopinath, A.K. Gogia, S.V. Kamat, R. Balamuralikrishnan, U. Ramamurty, Tensile Properties of Ni-Based Superalloy 720Li: Temperature and Strain Rate Effects Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science. ,vol. 39, pp. 2340- 2350 ,(2008) , 10.1007/S11661-008-9585-3
P Feltham, G.J Copley, Yielding and work-hardening in alpha-brasses Acta Metallurgica. ,vol. 8, pp. 542- 550 ,(1960) , 10.1016/0001-6160(60)90108-5
P. Barat, A. Sarkar, P. Mukherjee, S. K. Bandyopadhyay, Scaling behavior of the Portevin-Le Chatelier effect in an Al-2.5%Mg alloy. Physical Review Letters. ,vol. 94, pp. 055502- ,(2005) , 10.1103/PHYSREVLETT.94.055502