Journal of Engineering Materials and Technology: Recent submissions
Now showing items 761-780 of 3257
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Transition of Crack Propagation Path Under Varied Levels of Load in Bimodal Grain Size Al-Mg Alloy
(The American Society of Mechanical Engineers (ASME), 2011)Mechanical fatigue crack nucleation and propagation is modeled in bimodal grain size aluminum alloy. A multiscale modeling approach in conjunction with a continuum based damage modeling technique, ... -
Multiphysics Approaches for the Behavior of Polymer-Based Materials
(The American Society of Mechanical Engineers (ASME), 2011)The papers represented in this edition of the Journal of Engineering Materials and Technology (JEMT) were presented at the Third International Conference on Polymer Behavior (ICPB3), which was ... -
Modeling of the Stress–Birefringence–Stretch Behavior in Rubbers Using the Gent Model
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, we discuss the application of different stress–optic laws for rubbers to predict the birefringence evolution and the stress–stretch relationship. The main focus of this work is ... -
Mechanical Behavior of Recycled Polypropylene Composites Under Tensile, Bending, and Creep Loading: Experimental and Modeling
(The American Society of Mechanical Engineers (ASME), 2011)By the 2000/53/CE directive, the European Union leads to develop the recycling process industry, specially the plastic one, for end of life vehicles (ELV). To value these recycled materials by ... -
Measuring the Influence of Temperature on the Development of Elastic Anisotropy With Compressive Plastic Flow for Glassy Polycarbonate
(The American Society of Mechanical Engineers (ASME), 2011)The development of anisotropy as a result of isothermal plastic deformation below the glass transition temperature is investigated for different deformation temperatures. Initially, isotropic ... -
Strategies for the Analysis of the Behavior of an Adhesive in Bonded Assemblies
(The American Society of Mechanical Engineers (ASME), 2011)Experimental and numerical analyses of the mechanical behavior of bonded joints can be made particularly difficult by the influence of edge effects. Therefore, understanding the stress distribution ... -
Modifications of the Polylactic Acid Surface Properties by DBD Plasma Treatment at Atmospheric Pressure
(The American Society of Mechanical Engineers (ASME), 2011)In this study, nitrogen plasma treatment at atmospheric pressure was used to modify the surface of polylactic acid (PLA), especially its low surface energy and wettability, which do not favor ... -
Quantification of Cavitation in Neat and Calcium Carbonate-Filled High-Density Polyethylene Subjected to Tension
(The American Society of Mechanical Engineers (ASME), 2011)Cavitation-induced deformation mechanisms in neat semicrystalline polymers, i.e., crazing, and in the derived composites, i.e., particle-matrix debonding, are generally activated during the transition ... -
Coupling of Nanocavitation With Cyclic Deformation Behavior of High-Density Polyethylene Below the Yield Point
(The American Society of Mechanical Engineers (ASME), 2011)The peculiarities of viscoelastic behavior of high-density polyethylene (HDPE) subjected to the uniaxial cyclic tensions and retractions below the yield point are studied. This required using three ... -
Dynamic Mechanical Properties of PMMA/Organoclay Nanocomposite: Experiments and Modeling
(The American Society of Mechanical Engineers (ASME), 2011)Similarly to unfilled polymers, the dynamic mechanical properties of polymer/organoclay nanocomposites are sensitive to frequency and temperature, as well as to clay concentration. Richeton et al. ... -
Numerical Evaluation of Stiffness and Energy Absorption of a Hybrid Unidirectional/Random Glass Fiber Composite
(The American Society of Mechanical Engineers (ASME), 2011)A finite element method is employed to numerically evaluate the stiffness and energy absorption properties of an architecturally hybrid composite material consisting of unidirectional and random ... -
Modeling Interparticle Size Effect on Deformation Behavior of Metal Matrix Composites by a Gradient Enhanced Plasticity Model
(The American Society of Mechanical Engineers (ASME), 2011)Experimental tests show that particle (inclusion or precipitate) size and interparticle spacing, besides volume fraction, have a considerable effect on the macroscopic mechanical response of metal ... -
Tensile Stress Relaxation Behavior of Thermosetting Polyurethane Solid and Foams: Experiment and Model Prediction
(The American Society of Mechanical Engineers (ASME), 2011)Stress relaxation behavior of thermosetting polyurethane (PU) solid and foams were investigated in tensile mode using a dynamic mechanical analyzer (DMA). PU solid samples were manufactured in a ... -
Mesomechanical Modeling of Polymer/Clay Nanocomposites Using a Viscoelastic-Viscoplastic-Viscodamage Constitutive Model
(The American Society of Mechanical Engineers (ASME), 2011)In this study, damage evolution in a nanocomposite containing the polymethyl methacrylate polymer (PMMA) embedded with silicate nanoclay particles is simulated by using a nonlinear viscoelastic, ... -
Mechanical Characterization of XD-Grade Carbon Nanotube/Epon 862 Processed by Dual Phase Dispersion Technique
(The American Society of Mechanical Engineers (ASME), 2011)Uniform dispersion of the constituent nanomaterial is essential in attaining optimal results for nanocomposite fabrication. In this research, a dual-phase dispersion method is studied combining a ... -
Influence of Al Particle Size and Lead Zirconate Titanate (PZT) Volume Fraction on the Dielectric Properties of PZT-Epoxy-Aluminum Composites
(The American Society of Mechanical Engineers (ASME), 2011)Two-phase PZT-epoxy piezoelectric composites and three phase PZT-epoxy-Al composites were fabricated using a poling voltage of 0.2 kV/mm. The influence of aluminum inclusion size (nano and micron) ... -
Augmented Cohesive Elements for Efficient Delamination Analyses of Composite Laminates
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, a new type of cohesive element that employs multiple subdomain integration (MSDI) for improved cohesive stress integration accuracy of bonded plate/shell elements has been formulated. ... -
Effects of Ultrasound and Strain Rate on Tensile Mechanical Behavior of Thermoplastic Poly Urethane Thin Films
(The American Society of Mechanical Engineers (ASME), 2011)Thermoplastic poly urethane (TPU) is a diblock copolymer which naturally phase segregates into thermodynamically incompatible hard (H) and soft (S) segments. The size of the segments and their ... -
Three-Dimensional Numerical Simulation of Random Fiber Composites With High Aspect Ratio and High Volume Fraction
(The American Society of Mechanical Engineers (ASME), 2011)Organic and inorganic fiber reinforced composites with various fiber orientation distributions and fiber geometries are abundantly available in several natural and synthetic structures. Inorganic ... -
Piezoelectric Wafer Active Sensors for Structural Health Monitoring of Composite Structures Using Tuned Guided Waves
(The American Society of Mechanical Engineers (ASME), 2011)Piezoelectric wafer active sensors (PWAS) are lightweight and inexpensive transducers that enable a large class of structural health monitoring (SHM) applications such as: (a) embedded guided wave ...