thermomechanical modelling of refractory mortarless
Modeling of Thermal Stress Cycling in Refractory Materials
experimentally validated thermomechanical model that considers refractory strength degradation under repeated thermal cycling. A thermo-mechanical model has been developed with ABAQUS to predict thermal stress and damage in a refractory specimen subjected to
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ESR6 (PhD)"Coupling of slag infiltration and resulting
Refractories are heat-resistant materials used as inner linings of high temperature furnaces reactors and processing units. ATHOR (Advanced THermomechanical multiscale mOdeling of Refractory linings) is an innovative collaborative and interdisciplinary project that brings together 6 academic beneficiaries and 8 private partners.
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Thermomechanical Modelling of Refractory Mortarless
In the present study 3D thermomechanical models have been developed to analyze the effects of joints reopening on the thermomechanical behavior of mortarless masonry walls. Four joint patterns with their corresponding equivalent elastic properties have been defined based on the state of head and bed joints (open or closed).
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Numerical Modelling of the in Service Thermomechanical
Numerical Modelling of the in Service Thermomechanical Behaviour of Refractory Parts Used in Continuous Steel Making p.1651. Oxidation of Silicon Nitride Bonded Silicon Carbide Refractory Material in Air and Carbon Dioxide p.1655. Test and Numerical Simulation of the Mechanical Behaviour of Silicon Carbide-Based Refractories
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ATHOR Refractory LiningsETN ATHOR
ATHOR is an innovative research project dedicated to Advanced THermomechanical multiscale mOdelling of Refractory linings. Welcome to ATHORa Marie Skłodowska-Curie Action European Training networkInnovative Training Network (ETN ITN).
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Objective . Refractories are heat-resistant materials used as inner linings of high temperature furnaces reactors and processing units. ATHOR (Advanced THermomechanical multiscale mOdelling of Refractory linings) is an innovative collaborative and interdisciplinary project that brings together 6 academic beneficiaries and 8 private partners.
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Steel Ladle Linings— Key Issues Regarding
refractory material. Residual elastic strain after compressive failure is calculated from the quotient of the refractory s compressive strength /. and Young s modulus E. The max imum irreversible strain was determined using thermal strain results from the previous studies a value of 10 MPa was selected for the wear lining compressive strength.
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THERMO-MECHANICAL DESIGN OPTIMIZATION OF
thermomechanical analysis method on which a rational design approach for the refractory can be based is complicated by many factors. These factors include loading conditions material modelling behavioural knowledge for the refractory complex non-linear
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Session Program (Tentative)UNITECR2019
Refractory Engineering Systems and Design 16 00-18 00 Chairpersons Eiji Ishihara Martin Geith 14-E-16 Modeling of Nonlinear Behavior at High Temperature of Refractory Masonries Without Mortar Nassima Yahmi Alain Gasser Eric Blond 14-E-17 Thermomechanical Modelling of Refractory Mortarless Masonry Wall Subjected to Biaxial Compression
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Advanced THermomechanical multiscale mOdelling of
Advanced THermomechanical multiscale mOdelling of Refractory linings Recruitment Procedure ATHORFull description Initially the search for the appropriate candidates is based on normal recruitment strategies (i.e. publication on ecropa/euraxess Researchgate Linkdin ads etc. personal and professional contacts).
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Modeling of Thermal Stress Cycling in Refractory Materials
experimentally validated thermomechanical model that considers refractory strength degradation under repeated thermal cycling. A thermo-mechanical model has been developed with ABAQUS to predict thermal stress and damage in a refractory specimen subjected to
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Experimental Characterization and Thermomechanical
models53 54 55 56 to calculate the effect of thermal shock it was only possible to describe very simple-shaped re-fractories using the finite element method 57 58 59 60 61 the evolution of thermally induced stresses by modelling refractory components and parts of them was possible. Hence with the help of finite element analysis the design
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Thermomechanical Modelling of a Steel Ladle Using
Sep 05 2017 · Thermomechanical Modelling of a Steel Ladle Using Periodical Homogenisation for the Refractory Masonries A. Gasser E. Blond N. Yahmi L. B. Teixeira S. Sinnema To determine the influence of different ma-sonry designs on the stresses in the struc-ture it is necessary to be able to build a finite element model of an industrial vessel
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Thermomechanical Modelling for Refractory Lining of a
coupled structural analysis. Thermomechanical stresses and strains on the refractory wall of the ladle after the ladle was lifted by a crane had to be taken into account as additional boundary conditions in the coupled structural analysis. For this analysis the same FE-basis model figure 3b) was used but the element types switched to
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THERMO-MECHANICAL DESIGN OPTIMIZATION OF
thermomechanical analysis method on which a rational design approach for the refractory can be based is complicated by many factors. These factors include loading conditions material modelling behavioural knowledge for the refractory complex non-linear
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Mahmoud ALIEarly Stage ResearcherEU Marie-Curie
Thermomechanical Modelling of Refractory Mortarless Masonry Wall Subjected to Biaxial Compression Unified International Technical Conference of Refractories 2019 Yokohama Japan Mortarless refractory masonry is widely used in the steel industry for the linings of high-temperature components such as steel ladles and furnaces.
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Thermomechanical Modelling for Refractory Lining of a
coupled structural analysis. Thermomechanical stresses and strains on the refractory wall of the ladle after the ladle was lifted by a crane had to be taken into account as additional boundary conditions in the coupled structural analysis. For this analysis the same FE-basis model figure 3b) was used but the element types switched to
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Area 2K1-METMetallurgical competence center
For that purpose Finite Element simulations are planned to analyse thermally loaded refractory linings and to quantify possible damages due to thermomechanical stresses. In the submerged entry nozzle of a continuous caster the nozzle wall is equipped with carbon-bound zirconia refractory material between steel and slag (called slag band).
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(PDF) Thermomechanical Behavior of High-Alumina Refractory
J. Am. Ceram. Soc. 83 10 2481–90 (2000) journal Thermomechanical Behavior of High-Alumina Refractory Castables with Synthetic Spinel Additions Fabien Simonin † Christian Olagnon † Sandrine Maximilien and Gilbert Fantozzi Institut National des Sciences Applique´es (INSA) Groupe d Etudes de Me´tallurgie Physique et de Physique des Mate´riaux (GEMPPM) UMR 5510 F69621
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Multi-scale modeling of refractory woven fabric composites
Aug 17 2006 · Thermomechanical analysis of a refractory woven fabric composite was conducted using a multi-scale analysis technique. The composite was made of carbons and ceramic materials. The fibers were made of carbons and the outer coating was made of a ceramic material. In order to reduce the thermal stress in the carbon fibers and the ceramic material caused by mismatch of coefficients of
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Numerical modelling of the thermo-mechanical behaviour of
Modelling the thermo-mechanical behaviour of these layers under service conditions is of paramount importance to evaluate failure or cracking in order to determine their useful life. In this work the previously studied heating and holding process of linings comprising several layers of different types of refractory with different alumina
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Thermomechanical Behavior of Refractory Concrete Linings
A numerical analysis model was developed for predicting the behavior of dual‐component refractory‐lined coal‐gasification vessels. The temperature‐dependent constitutive law failure criteria creep behavior thermal expansion contraction behavior and shrinkage characteristics of
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A review of models for predicting the thermomechanical
INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS VOL 17 (1993) A REVIEW OF MODELS FOR PREDICTING THE THERMOMECHANICAL BEHAVIOUR OF SOFT CLAYS H. N. SENEVIRATNE Department of Civil Engineering University of Peradeniya Peradeniya. Sri Lnnka J. P. CARTER D. W. AIREY AND J. R. BOOKER School of Civil
Chat OnlineThermomechanical Modelling of Refractory Mortarless
Mortarless refractory masonry is widely used in the steel industry for the linings of high-temperature components such as steel ladles and furnaces. Successful design of these large-sized structures requires a proper understanding of the interaction between material discontinuity introduced by the presence of mortarless joints joints closure and reopening due to loading/unloading and their
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Thermal and thermomechanical evaluations of channel
(FE) modelling method using 2D models and combined the modelling with an orthogonal array method 5 . This method-ology permitted efficient semi-quantitative evaluation of a large lining structure or a significant quantity of lining con-cepts from the thermal and thermomechanical points of view. A thickness–thickness–temperature isothermal map
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(PDF) Thermomechanical Behavior of High-Alumina Refractory
J. Am. Ceram. Soc. 83 10 2481–90 (2000) journal Thermomechanical Behavior of High-Alumina Refractory Castables with Synthetic Spinel Additions Fabien Simonin † Christian Olagnon † Sandrine Maximilien and Gilbert Fantozzi Institut National des Sciences Applique´es (INSA) Groupe d Etudes de Me´tallurgie Physique et de Physique des Mate´riaux (GEMPPM) UMR 5510 F69621
Chat OnlineThermal and thermomechanical evaluations of channel
(FE) modelling method using 2D models and combined the modelling with an orthogonal array method 5 . This method-ology permitted efficient semi-quantitative evaluation of a large lining structure or a significant quantity of lining con-cepts from the thermal and thermomechanical points of view. A thickness–thickness–temperature isothermal map
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Three-Dimensional Finite Element Modeling of
The composition of hydroxyapatite (HA) as the ceramic phase and titanium (Ti) as the metallic phase in HA/Ti functionally graded materials (FGMs) shows an excellent combination of high biocompatibility and high mechanical properties in a structure. Because the gradation of these properties is one of the factors that affects the response of the functionally graded (FG) plates this paper is
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UNITECR 2019 Yokohama JapanETN ATHOR
ESR -10Mahmoud Ali "Thermomechanical Modelling of Refractory Mortarless Masonry Wall Subjected to Biaxial Compression" ESR-11 Rafael Oliveira " The Characterization of Joint Behaviour in Mortarless Refractory Masonry" ESR-12 Sina Darban "Thermal Shock Resistance of Fired Corundum-Spinel Brick and Spinel-containing LCC"
Chat OnlineA Method for Steel Ladle Lining Optimization Applying
Aug 09 2018 · Successful lining concept design can avoid the premature wear of refractory linings allow for more economically efficient configuration of refractories and improve the efficiency of high-temperature processes and save energy. The present paper introduces the Taguchi method combining finite element (FE) modeling for the lining optimization of a steel ladle from thermal and thermomechanical
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