Dislocation Mechanism-Based Crystal Plasticity

Theory and Computation at the Micron and Submicron Scale

Häftad, Engelska, 2019

Av Zhuo Zhuang, Zhanli Liu, Yinan Cui, China) Zhuang, Zhuo, Professor (Department of Engineering Mechanics, Tsinghua University, Beijing, China) Liu, Zhanli (Department of Engineering Mechanics, Tsinghua University, Beijing, USA) Cui, Yinan (Postdoctoral Researcher, University of California, Los Angeles

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Dislocation Based Crystal Plasticity: Theory and Computation at Micron and Submicron Scale provides a comprehensive introduction to the continuum and discreteness dislocation mechanism-based theories and computational methods of crystal plasticity at the micron and submicron scale. Sections cover the fundamental concept of conventional crystal plasticity theory at the macro-scale without size effect, strain gradient crystal plasticity theory based on Taylar law dislocation, mechanism at the mesoscale, phase-field theory of crystal plasticity, computation at the submicron scale, including single crystal plasticity theory, and the discrete-continuous model of crystal plasticity with three-dimensional discrete dislocation dynamics coupling finite element method (DDD-FEM).

Three kinds of plastic deformation mechanisms for submicron pillars are systematically presented. Further sections discuss dislocation nucleation and starvation at high strain rate and temperature effect for dislocation annihilation mechanism.

Covers dislocation mechanism-based crystal plasticity theory and computation at the micron and submicron scale
Presents crystal plasticity theory without size effect
Deals with the 3D discrete-continuous (3D DCM) theoretic and computational model of crystal plasticity with 3D discrete dislocation dynamics (3D DDD) coupling finite element method (FEM)
Includes discrete dislocation mechanism-based theory and computation at the submicron scale with single arm source, coating micropillar, lower cyclic loading pillars, and dislocation starvation at the submicron scale

Produktinformation

Utgivningsdatum2019-04-12
Mått191 x 235 x 26 mm
Vikt950 g
FormatHäftad
SpråkEngelska
Antal sidor450
FörlagElsevier Science
ISBN9780128145913

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Zhuo Zhuang is Professor and Co-director of the Advanced Mechanics and Materials Center in the School of Aerospace Engineering, at Tsinghua University in China. He has published over 260 papers in leading scientific journals. He is General Council member for IACM, and APACM, and President of the Chinese Association of Computation Mechanics (CACM), Vice-director of the Supervision Committee on Mechanics at the Ministry of Education, and serves as an editor on both national and international journals. He received his PhD from University College Dublin in Ireland, and an Honorary Doctorate Degree (EngD) from Swansea University in the UK. Zhanli Liu is Associate Professor in the School of Aerospace Engineering at Tsinghua University in China. He has published over 60 papers, mostly relating to computational multi-scale mechanics, plasticity, damage and fracture mechanics. He received his PhD from Tsinghua University, and was a winner of the prestigious China Thousand Young Talents Program. Postdoctoral researcher at the University of California Los Angeles. Her research interests include computational mechanics of materials, mechanics and physics of material defects, discrete and continuum dislocation-based plasticity, and materials behaviour in extreme environments. She has published widely in leading journals. Yinan Cui received her PhD from Tsinghua University in China.

1. Introduction2. Conventional constitutive theory of plasticity3. Crystal plasticity theory4. Strain gradient crystal plasticity theory at micron-scale5. Dislocation based crystal plasticity theory and size effect6. Size-dependent deformation morphology of micropillars7. Micro-scale crystal plasticity model based on phase field theory8. Discrete-continuum model of crystal plasticity at submicron scale9. Single arm dislocation source controlled plasticity flow in FCC micropillars10. Confined plasticity in micropillars11. Mechanical annealing under low amplitude cyclic loading in micropillars12. Strain rate effect on the deformation of crystal at submicron scale13. Temperature effect for dislocation annihilation mechanism