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Akademický článek

Applicability of local approaches to assessment of cleavage fracture in complex constraint and load history cases

Autor: Beswick, J, Sarzosa, D, Savioli, R, James, P, Ruggieri, C, Jivkov, AP

Publikováno v: In Procedia Structural Integrity 2018 13:63-68

A mechanistic model for long-term nuclear waste glass dissolution integrating chemical affinity and diffusion barrier

Autor: Ma T, Jivkov AP, Li W, Liang W, Wang Y, Xu H, Han XY

Understanding the alteration of nuclear waste glass in geological repository conditions is critical element of the analysis of repository retention function. Experimental observations of glass alterations provide a general agreement on the following

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::6b9dd49c7af9ba03d95f8b7201718f5e
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:278258

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Review of pore network modelling of porous media: experimental characterisations, network constructions and applications to reactive transport

Autor: Xiong Q, Baychev T, Jivkov AP

Pore network models have been applied widely for simulating a variety of different physical and chemical processes, including phase exchange, non-Newtonian displacement, non-Darcy flow, reactive transport and thermodynamically consistent oil layers.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::c569449d61c3b9643138e7c0bc16d277
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:278248

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Non-Fickian dispersive transport of strontium in laboratory-scale columns: Modelling and evaluation

Autor: Liu D, Jivkov AP, Wang L, Si G, Yu J

In the context of environmental remediation of contaminated sites and safety assessment of nuclear waste disposal in the near-surface zone, we investigate the leaching and non-Fickian dispersive migration with sorption of strontium (mocking strontium

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::cc9ff5b172a0202a35a4fd5317734d5c
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:278244

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Multi-scale modelling of nuclear graphite tensile strength using the Site-Bond lattice model

Autor: Morrison CN, Jivkov AP, Vertyagina Ye, Marrow TJ

Failure behaviour of graphite is non-linear with global failure occurring when local micro-failures, initiated at stress-raising pores, coalesce into a critically sized crack. This behaviour can be reproduced by discrete lattices that simulate larger

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::0e92c9044e788fdcf48784ecafe06c6e

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3D meso-structural modelling of concrete for damage and failure analysis in tension and compression

Autor: Wang XF, Xiong Q, Jivkov AP

Damage and failure of concrete are analysed by synthetic meso-structures including four phases: aggregates, mortar, interfacial transaction zones (ITZs) and voids. Models generation is controlled by meso-structure characteristics â shape, size,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::5c9d7a407d08724aa057a758367bae3f
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:278212

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Micromechanical modelling of fracture processes in cement composites

Autor: Zhang M, Jivkov AP

Cement composites are the most popular and widely used construction material in the world. Understanding and predicting fracture processes in these materials is scientifically challenging but important for durability assessments and life extension de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::ace5bbeded9d6f3cfabecaa36be1b847
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:252719

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Image-based Cohesive Element Modelling of Low Temperature Crack Propagation in Alloy 82 Weld Metal

Autor: Klimaytys G, Jivkov AP, Engelberg DL

Exposure of Alloy 82 welds to hydrogen containing, de-oxygenated aqueous environments at temperatures below 150°C can result in embrittlement, manifested by a significant reduction of its resistance to cracking. The embrittlement is brought about by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::5e5e8ad27c0edf3961ed24b5952123aa
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:252715

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Engineering criterion for rupture of brittle particles in a ductile matrix including particle size and stress triaxiality effects

Autor: Abu-Muharib A, Jivkov AP, James P

Catastrophic failure due to cleavage fracture is caused by the rapid propagation of a micro-crack in the vicinity of a macroscopic flaw. Micro-cracks are initiated at second-phase brittle particles, present in the steel in different sizes and distrib

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::eccec3f6773435b80f9114a3991b3eb9
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:224808

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Fracture energy of graphite from microstructure-informed lattice model

Autor: Morrison CN, Zhang M, Jivkov AP

Graphite remains a key structural material in the nuclear industry, the integrity assessment of which in demanding reactor environments is critical for safe operation of plant. Fracture of graphite is preceded by growth and coalescence of distributed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2295::1e0da871b57c6a11c2d0cadd0051d1e3
http://www.manchester.ac.uk/escholar/uk-ac-man-scw:224810

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