Journal of The Mechanics and Physics of Solids
IF
5.47
Papers
5,346
Papers 5,704
1 page of 571 pages (5,704 results)
Newest
#1Ye Feng (Tongji University)H-Index: 1
#2Jie Li (Tongji University)H-Index: 1
Abstract null null This paper develops a thermodynamic framework of phase-field fracture modeling for cases where the toughness depends on the fracture mode. Using a delicately constructed energy density and a novel dissipation force in the thermodynamic framework, we propose a phase-field model that can implement arbitrary mixed-mode cohesive laws for cases where the mode-II fracture energy ( null null null null G null null null I null null null I null c null null null null ) is larger than the...
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#1Fengkai Liu (Xi'an Jiaotong University)
#2Zhigang Suo (Harvard University)H-Index: 135
Last. Jingda Tang (Xi'an Jiaotong University)H-Index: 15
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Abstract null null In many applications, glass fabrics are subject to cyclic forces. Here we show that a glass fabric can tear under a much lower cyclic force than monotonic force. For samples of a given width, a threshold force exists below which the fabric does not tear under cyclic load, and a critical force exists at which the fabric tears under monotonic load. For example, for 80 mm wide sample, the threshold force is 12.78 N, and the critical force is 344.73 N. Under cyclic force of amplit...
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#1Vassilios Karamitros (Royal School of Mines)
#2D.W. MacLachlan (Rolls-Royce Holdings)H-Index: 4
Last. Fionn P.E. Dunne (Royal School of Mines)H-Index: 41
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Abstract null null The mechanistic basis of microstructurally short crack paths and growth rates is investigated in Ni-based superalloy single crystals using Crystal Plasticity (CP) and eXtended Finite Element (XFEM) analyses of experimental edge-cracked samples over a range of crystal orientations. Crack paths are determined to be those along crystallographic slip systems within which the slip is highest. Crack growth rates are determined by the crack tip critical stored energy density. Experim...
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The Eshelby formalism for an inclusion in a solid is of significant theoretical and practical implications in mechanics and other fields of heterogeneous media. Eshelby's finding that a uniform eigenstrain prescribed in a solitary ellipsoidal inclusion in an infinite isotropic medium results in a uniform elastic strain field in the inclusion leads to the conjecture that the ellipsoid is the only inclusion that possesses the so-called Eshelby property. Previously, only the weak version of the con...
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#4Michel Bornert ('ENS Paris': École Normale Supérieure)H-Index: 35
This study presents a new methodology for estimating the effective properties of solids containing cracks along the inter-granular boundaries, using analytical developments and numerical simulations. The latter are based on the generation of virtual microstructures of such type obtained by superimposing a Voronoi tessellation modeling the granular network with a random dispersion of overlapping spheres in 3-D, or disks in 2-D, which serve to locate the cracks at the inter-granular boundaries. Th...
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#1Kyle Starkey (Purdue University)H-Index: 3
#2Thomas Hochrainer (Graz University of Technology)H-Index: 17
Last. Anter El-Azab (Purdue University)H-Index: 24
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Abstract null null An accurate description of the evolution of dislocation networks is an essential part of discrete and continuum dislocation dynamics models. These networks evolve by motion of the dislocation lines and by forming junctions between these lines via cross slip, annihilation and junction reactions. In this work, we introduce these dislocation reactions into continuum dislocation models using the theory of de Rham currents. We introduce dislocations on each slip system as potential...
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Abstract null null The thermal barrier coatings (TBCs) are serviced in elevated thermal conditions characterized by chemo-thermo-mechanical (C-T-M) failure mechanism and multiscale failure modes. In the present work, isothermal, cyclic thermal and mechanical induced spalling tests were carried out. Since the contribution of aluminum migration in TBCs damage evolution and failure was confirmed, the C-T-M life prediction at the micro level, TGO respiratory growth process at the meso level and the ...
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#1Zhi Zhao (UIUC: University of Illinois at Urbana–Champaign)H-Index: 3
#2Xiaojia Shelly Zhang (UIUC: University of Illinois at Urbana–Champaign)H-Index: 6
Abstract null null Hard-magnetic soft materials, which consist of soft matrix embedded with hard-magnetic particles, have attracted tremendous interests owing to their untethered control capability, rapid response, and flexible programmability. This work introduces a topology optimization framework to guide the rational design of hard-magnetic soft materials and structures with precisely programmable functionalities under large deformations. Built upon a unified design parameterization scheme, t...
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#1Sixue Zheng (University of Pittsburgh)H-Index: 1
#2Shuhei Shinzato (Osaka University)H-Index: 8
Last. Scott X. Mao (University of Pittsburgh)H-Index: 68
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Abstract null null The experimental determination of critical stresses for yielding and plastic flow is of upmost importance for the understanding of the atomic-scale mechanical behaviors of nanoscale metals, which is limited in computational molecular dynamics due to their inherent high strain rates and empirical interatomic potentials. Here, we propose an in situ atomic-scale experimental mechanics, the so-called experimental molecular dynamics, which is capable of studying the stress-strain r...
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