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Keywords: micromechanics
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Journal Articles
Article Type: Research-Article
J. Eng. Mater. Technol. October 2019, 141(4): 041009.
Paper No: MATS-18-1094
Published Online: May 28, 2019
... micromechanics Deformation occurring in a polycrystalline material at high strain rates is associated with several physical phenomena evident at different length scales. These include but are not limited to thermally activated dislocation motion, nucleation, annihilation, and drag. Others include texture...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2012, 134(3): 031003.
Published Online: May 7, 2012
...Jaehyeuk Jeon; Anastasia Muliana This study introduces a simplified micromechanical model for analyzing a combined viscoelastic–viscoplastic response of unidirectional fiber reinforced polymer (FRP) composites. The micromechanical model is derived based on a unit-cell model consisting of fiber...
Journal Articles
Article Type: Guest Editorial
J. Eng. Mater. Technol. January 2012, 134(1): 010301.
Published Online: December 12, 2011
...Dongsheng Li; Said Ahzi; Mohammad Khaleel 15 10 2011 26 10 2011 26 10 2011 12 12 2011 12 12 2011 biomedical materials calcium compounds compressibility creep crystal microstructure fibre reinforced composites finite element analysis micromechanics molecular...
Journal Articles
Article Type: Bridging Microstructure, Properties, And Processing Of Polymer-Based Advanced Materials
J. Eng. Mater. Technol. January 2012, 134(1): 010906.
Published Online: December 12, 2011
... greatest in the flow direction during molding (3-axis, C 33 ), followed by the transverse (2-axis, C 22 ) and pressing (1-axis, C 11 ) directions. Moreover, experimental measurements for the elastic anisotropy and degree of preferred orientation in the same specimen plane were correlated. A micromechanical...
Journal Articles
Article Type: Guest Editorial
J. Eng. Mater. Technol. July 2011, 133(3): 030301.
Published Online: July 18, 2011
...Said Ahzi 01 04 2011 19 04 2011 18 07 2011 18 07 2011 micromechanics molecular dynamics method nanocomposites polymers rheology solid-state phase transformations The papers represented in this edition of the Journal of Engineering Materials and Technology...
Journal Articles
Article Type: Editorial
J. Eng. Mater. Technol. January 2011, 133(1): 010201.
Published Online: December 9, 2010
...Valeria La Saponara; Assimina A. Pelegri condition monitoring elastomers fibre reinforced composites functionally graded materials micromechanics nanocomposites piezoelectric materials It is a pleasure to present to you a collection of 18 papers highlighting Recent Advances...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011014.
Published Online: December 3, 2010
... a micromechanical model of the indentation process, the effective elastic properties of the constituent tubes or rods as well as the effective properties of the forest can be deduced from load-depth curves of indentation into forests. These studies provide fundamental understanding of the mechanics of indentation...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011010.
Published Online: December 2, 2010
... cohesive method uses fundamental principles of colloidal physics and micromechanics homogenization techniques to link the atomistic binding potential with the mesoscale material properties of the cohesive zone and hence, the method can provide an effective means to describe heterogeneous material...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011008.
Published Online: December 1, 2010
... sandwich beams (no PZT crystal) and conditioned sandwich beams (with PZT crystals embedded in the center of one facesheet). Lateral deflection of the sandwich beams was monitored for more than 60 h. The model presented in this paper is composed by two parts: (a) a simplified micromechanical model...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2010, 132(2): 021010.
Published Online: February 19, 2010
... variable amplitude loading. Micromechanical simulations are conducted on a 7075-T651 Al alloy to quantify the cyclic microplasticity in the matrix adjacent to intact or cracked, life-limiting intermetallic particles. An initial overstrain followed by constant amplitude cyclic straining is simulated...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011014.
Published Online: December 1, 2009
.... Marshall , eds., BIGRAF and Woodhead , Warsaw . Bandorawalla , T. , ( 2002 ), “ Micromechanics-Based Strength and Lifetime Prediction of Polymer Composites ,” Ph.D. thesis, Virginia Polytechnic Institute and State University, VA. Gao , Z. , and Reifsnider , K. L. , 1993...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011016.
Published Online: December 1, 2009
... entanglements means an increase in the number of entanglements in the polymer. As the M e value decreases, increasing tensile strain hardening of polyethylene is observed. In addition to experimental work, parallel micromechanical modeling was carried out to study the entanglement effect in uniaxial tensile...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. January 2010, 132(1): 011002.
Published Online: November 2, 2009
...A. Abdul-Latif; M. Chadli Motivated by a micromechanical determinist-probabilistic model coupled with damage recently developed by the authors, a new generalization is proposed to describe the nonlinear elasto-inelastic cyclic strain-stress behavior of polycrystals notably under biaxial cyclic...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031015.
Published Online: June 4, 2009
... 06 2009 aluminium elasticity plasticity porosity sheet materials steel yield point perforated metals homogenization micromechanics porosity architectures Perforated metal sheets are found in a number of technologically important applications, including aircraft...
Topics: Porosity, Stress
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031012.
Published Online: June 2, 2009
... drop technique. The damage model has been applied to predict damage evolution in an axisymmetrically notched specimen using finite element analysis. A reasonably good agreement has been observed between numerically simulated and experimentally measured damage behaviors. Damage micromechanisms operative...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2009, 131(3): 031001.
Published Online: May 21, 2009
... micromechanical models from literature were compared against the FEA data. It shows that Hashin’s concentric cylinder model is the best. However, it is inconvenient for practical applications due to the amount of computation. In this study, based on the FEA data, an engineering model for predicting the transverse...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2009, 131(2): 021012.
Published Online: March 9, 2009
...Yao Koutsawa; Mohammed Cherkaoui; El Mostafa Daya The present work extends the multicoated micromechanical model of Lipinski et al. (2006, “Micromechanical Modeling of an Arbitrary Ellipsoidal Multi-Coated Inclusion,” Philos. Mag., 86(10), pp. 1305–1326) in the quasistatic domain to compute...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. October 2008, 130(4): 041005.
Published Online: September 9, 2008
...Brett A. Bednarcyk; Jacob Aboudi; Steven M. Arnold; Roy M. Sullivan The polymer spray-on foam insulation used on NASA’s Space Shuttle external fuel tank is analyzed via the high-fidelity generalized method of cells micromechanical model. This model has been enhanced to include internal pore...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. July 2008, 130(3): 031015.
Published Online: June 11, 2008
...Mahendra Gattu; Hamed Khatam; Anthony S. Drago; Marek-Jerzy Pindera The finite-volume direct averaging micromechanics (FVDAM) theory for periodic heterogeneous materials is extended by incorporating parametric mapping into the theory’s analytical framework. The parametric mapping enables modeling...
Journal Articles
Article Type: Research Papers
J. Eng. Mater. Technol. April 2008, 130(2): 021021.
Published Online: March 28, 2008
...Joel V. Bernier; Matthew P. Miller; Jun-Sang Park; Ulrich Lienert Quantitative strain analysis (QSA) provides a means for assessing the orientation-dependent micromechanical stress states in bulk polycrystalline materials. When combined with quantitative texture analysis, it facilitates tracking...