Dislocations in solids
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This article is published in Acta Crystallographica Section A.The article was published on 1989-07-01 and is currently open access. It has received 345 citations till now.read more
Citations
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Role of interfaces in shock-induced plasticity in Cu/Nb nanolaminates
Weizhong Han,Amit Misra,Nathan A. Mara,Timothy C. Germann,Jon K. Baldwin,T. Shimada,Sheng-Nian Luo +6 more
TL;DR: In this article, the deformation twins in the Cu layers preferentially nucleate from the Cu(112)/Nb(112)-interface habit planes rather than the predominant Cu(111)//Nb (110) interface planes.
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Reactions between a 1/2⟨111⟩ screw dislocation and ⟨100⟩ interstitial dislocation loops in alpha-iron modelled at atomic scale
TL;DR: In this article, a molecular dynamics study of interactions between a screw dislocation and loops in iron at temperature in the range 100 to 600 K was performed, and a variety of reaction mechanisms and outcomes were observed and classified in terms of the resulting dislocation configuration and the maximum stress required for the dislocation to break away.
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Liquids with conics
TL;DR: In this article, the authors review the development of focal conic domains over the last one hundred years, firstly emphasising its importance in the appearance and broadening of the concept of order and of its singularities in liquid crystals and beyond in condensed matter physics, through the renewed notions of dislocations, disclinations, grain boundaries, kinks, and focal cone domain imperfections.
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Explanation of the discrepancy between the measured and atomistically calculated yield stresses in body-centred cubic metals
Roman Gröger,Vaclav Vitek +1 more
TL;DR: In this article, a mesoscopic model was proposed to explain the discrepancy between experimentally measured yield stresses of bcc metals at low temperatures and typical Peierls stresses determined by atomistic simulations of isolated screw dislocations.
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Phase field approach to interaction of phase transformation and dislocation evolution
TL;DR: In this article, a phase field approach to coupled evolution of martensitic phase transformations and dislocation is developed and applied to study the hysteretic behavior and propagation of an austenite-martensite interface with incoherency dislocations.
References
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The conflicts between strength and toughness
TL;DR: This work focuses on the interplay between the mechanisms that individually contribute to strength and toughness, noting that these phenomena can originate from very different lengthscales in a material's structural architecture.
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Strong crystal size effect on deformation twinning
TL;DR: A ‘stimulated slip’ model is developed to explain the strong size dependence of deformation twinning in crystals, and the sample size in transition is relatively large and easily accessible in experiments, making the understanding of size dependence relevant for applications.
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Atomistic modeling of interfaces and their impact on microstructure and properties
Yuri Mishin,Mark Asta,Ju Li +2 more
TL;DR: An overview of the most recent developments in the area of atomistic modeling with emphasis on interfaces and their impact on microstructure and properties of materials is given in this paper, along with some challenges and future research directions in this field.
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A review on fundamental of high entropy alloys with promising high–temperature properties
TL;DR: In this paper, the microstructures of HESAs consisting of γ and γ′ phases are similar to that of Ni-base superalloys and refractory HEAs.
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Heterostructured materials: superior properties from hetero-zone interaction
Yuntian Zhu,Kei Ameyama,Peter M. Anderson,Irene J. Beyerlein,Huajian Gao,Hyoung Seop Kim,Enrique J. Lavernia,Suveen N. Mathaudhu,Haël Mughrabi,Robert O. Ritchie,Nobuhiro Tsuji,Xiangyi Zhang,Xiaolei Wu +12 more
Abstract: Heterostructured materials are an emerging class of materials with superior performances that are unattainable by their conventional homogeneous counterparts. They consist of heterogeneous zones wi...