Showing 121 - 140 results of 215 for search '"micromechanics"', query time: 0.07s Refine Results
  1. 121

    A Numerical Study on the Progressive Failure of 3D Four-Directional Braided Composites by Kun Xu

    Published 2013-01-01
    “…Then, based on the periodical boundary conditions, a RVE-based micromechanical model by using the nonlinear finite element method has been presented to predict the progressive damage and the strength of 3D braided composites subjected to tensile loading. …”
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    Article
  2. 122

    Size Effects of Finite Element Model for Three-Dimensional Microstructural Modeling of Asphalt Mixture by Kuanghuai Wu, Qingzi Deng, Naiming Deng, Xu Cai, Wenke Huang

    Published 2019-01-01
    “…The computed tomography (CT) image-based finite element approach is used as an effective method to simulate micromechanical response of asphalt mixture. For finite element analysis, the accuracy of the finite results is determined by the size of the finite element. …”
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    Article
  3. 123

    Free vibration optimization of 2D tri-axial braided composite fan blade with ANN-Anal-FEM-GA integrated model by Mortaza Salehian, Hamid Reza Ovesy, Hadi Dabiryan

    Published 2024-11-01
    “…The mechanical properties of the 2DTBC were determined through the micromechanical modeling, and the thin-shell analysis was applied to describe the blade’s displacement and strain characteristics. …”
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    Article
  4. 124

    PARAMETRIC AMPLIFICATION OF THE SIGNALS IN THE ELECTROSTATIC GRAVIINERTIAL SENSOR by I. Z. Gilavdary, S. N. Mekid, N. N. Riznookaya

    Published 2017-06-01
    “…This design and the constructed theory can serve as a basis for creating a wide range of graviinertial devices operating on a movable base, for example, linear and angular accelerometer, gravity gradiometer, gravimeters, and inclinometers, which can be realized in the hybrid and in the micromechanical versions.…”
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  5. 125

    Finite element analysis of the interface defect in ceramic-metal assemblies: Alumina-Silver by Lamia Hadid, Farida Bouafia, Boualem Serier, Sardar Sikandar Hayat

    Published 2020-07-01
    “…In the present work, the finite element analysis was employed to study the distribution of mechanical stress generated in metal-ceramic bimaterial. A micromechanical model is proposed to explain a phenomenon of defect observed in the metal-ceramic interface. …”
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    Article
  6. 126

    Quaternion modeling of the helical path for analysis of the shape of the DNA molecule by A. F. Muterko

    Published 2018-01-01
    “…The characteristic shape into which a DNA molecule folds under certain conditions is a manifestation of its micromechanical and structural features, which are sequence­dependent. …”
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  7. 127

    Correlation between macroscopic and microscopic mechanical behavior of tuff material under uniaxial compression by Jin Linlin, Ma Hongfa, Yu Jiang, Wang Feng, Yin Dawei, Qu Xiao, Yang Yingsong, Tao Minghao

    Published 2025-03-01
    “…The micromechanical properties and structures of minerals play a crucial role in shaping the macro-mechanical behaviors of rocks. …”
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  8. 128

    Role of the microstructure on the mechanical properties of fully pearlitic eutectoid steels by J. Toribio, B. González, J.C. Matos, F.J. Ayaso

    Published 2014-10-01
    “…This paper analyses how the microstructure of an eutectoid pearlitic steel affects its conventional mechanical properties (obtained by means of a standard tension test) and the associated micromechanisms of fracture. Results show how the yield strength, the ultimate tensile strength (UTS) and the ductility, increase as the continuous cooling rate rises, whereas on the other hand the strain at UTS decreases. …”
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  9. 129

    Crack tip fields and mixed mode fracture behaviour of progressively drawn pearlitic steel by J. Toribio, B. González, J.C. Matos

    Published 2015-07-01
    “…To this end, fracture tests under axial loading were performed on steel wires with different drawing degree (from a hot rolled bar to a commercial prestressing steel wire), transversely pre-cracked by fatigue, analyzing in detail the changes in fracture micromechanisms. The deflection angles of the fracture path were measured by longitudinal metallographic sections and the characteristic parameters of the loaddisplacement plot were related to different fracture events. …”
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    Article
  10. 130

    Crack tip fields and mixed mode fracture behaviour of progressively drawn pearlitic steel by J. Toribio, B. González, J.C. Matos

    Published 2015-06-01
    “…To this end, fracture tests under axial loading were performed on steel wires with different drawing degree (from a hot rolled bar to a commercial prestressing steel wire), transversely pre-cracked by fatigue, analyzing in detail the changes in fracture micromechanisms. The deflection angles of the fracture path were measured by longitudinal metallographic sections and the characteristic parameters of the loaddisplacement plot were related to different fracture events. …”
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    Article
  11. 131

    Ductile cast irons: microstructure influence on fatigue crack propagation resistance by Francesco Iacoviello, Vittorio Di Cocco, Mauro Cavallini

    Published 2013-04-01
    “…Results were compared with an austempered DCI. Damaging micromechanisms were investigated according to the following procedures: - “traditional” Scanning Electron Microscope (SEM) fracture surfaces analysis; - SEM fracture surface analysis with 3D quantitative analysis; - SEM longitudinal crack profile analysis - Light Optical Microscope (LOM) transversal crack profile analysis;…”
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  12. 132

    PROBABILISTIC ANALYSIS FOR SCHMIDT FACTOR OF POLYCRYSTALS by ZHOU JinYu, ZHU FuXian, CHEN Zhen

    Published 2016-01-01
    “…The probabilistic distribution of the Schmidt factor of grains group in fatigue crack initiation zone is obtained,which can provide theoretical basis and effective engineering method for fatigue reliability analysis of the mechanical structure,especially micromechanical and micro electromechanical structures.…”
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  13. 133

    Ductile cast irons: microstructure influence on fatigue crack propagation resistance by Mauro Cavallini, Vittorio Di Cocco, Francesco Iacoviello

    Published 2010-07-01
    “…Results were compared with an austempered DCI. Damaging micromechanisms were investigated according to the following procedures: - “traditional” Scanning Electron Microscope (SEM) fracture surfaces analysis; - SEM fracture surface analysis with 3D quantitative analysis; - SEM longitudinal crack profile analysis - Light Optical Microscope (LOM) transversal crack profile analysis;…”
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    Article
  14. 134

    Ductile cast irons: microstructure influence on fatigue crack propagation resistance by Francesco Iacoviello, Vittorio Di Cocco, Mauro Cavallini

    Published 2013-04-01
    “…Results were compared with an austempered DCI. Damaging micromechanisms were investigated according to the following procedures: - “traditional” Scanning Electron Microscope (SEM) fracture surfaces analysis; - SEM fracture surface analysis with 3D quantitative analysis; - SEM longitudinal crack profile analysis - Light Optical Microscope (LOM) transversal crack profile analysis;…”
    Get full text
    Article
  15. 135

    Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading by Mahmoud Shariati, Masoud Mahdizadeh Rokhi, Hassan Rayegan

    Published 2016-12-01
    “…It is assumed that the mechanical properties vary with a power law in the radial direction of cylinders. Micromechanical models for conventional composites are used to estimate the material properties of functionally graded cylinders. …”
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    Article
  16. 136

    Numerical modelling in non linear fracture mechanics by Viggo Tvergaard

    Published 2013-04-01
    “…In the present review this procedure is illustrated for micromechanically based material models, such as a ductile failure model that accounts for the nucleation and growth of voids to coalescence, and a model for intergranular creep failure with diffusive growth of grain boundary cavities leading to micro-crack formation. …”
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    Article
  17. 137

    Nondestructive Damage Evaluation in Ceramic Matrix Composites for Aerospace Applications by Konstantinos G. Dassios, Evangelos Z. Kordatos, Dimitrios G. Aggelis, Theodore E. Matikas

    Published 2013-01-01
    “…IRT and AE parameters are specifically used for the characterization of the complex damage mechanisms that occur during CMC fracture, and they enable the identification of the micromechanical processes that control material failure, mainly crack formation and propagation. …”
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  18. 138

    Quantitative Anisotropic Damage Mechanism in a Forged Aluminum Alloy Studied by Synchrotron Tomography and Finite Element Simulations by Yang Shen, Thilo F. Morgeneyer, Jérôme Garnier, Lucien Allais, Lukas Helfen, Jérôme Crépin

    Published 2019-01-01
    “…The damage mechanism has been validated by finite element simulations based on the Gurson–Tvergaard–Needleman micromechanical damage model with different sets of damage parameters for the two loading configurations obtained from quantitative void volume fraction analysis on SRCT data, in situ SEM experiments, and SRCT microstructural analysis.…”
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  19. 139

    Investigation of stress intensity factor for internal cracks in FG cylinders under static and dynamic loading by Mahmoud Shariati, Masoud Mahdizadeh Rokhi, Hassan Rayegan

    Published 2017-01-01
    “…It is assumed that the mechanical properties vary with a power law in the radial direction of cylinders. Micromechanical models for conventional composites are used to estimate the material properties of functionally graded cylinders. …”
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    Article
  20. 140

    Study on the Hydro-Thermal-Mechanical Characteristics of the Lime-Soil Compaction Pile in the Forming Process by Fengchuan Zhang, Jianhua Dong, Xiaoyu Yang, Bo Lian, Xuelang Wang

    Published 2021-01-01
    “…According to the macroprocess and micromechanism of lime-soil compaction pile treatment of collapsible loess foundation, the qualitative law of water-heat-force change in the process of pile forming is obtained. …”
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    Article