Journal of Engineering Materials and Technology: Recent submissions
Now showing items 621-640 of 3257
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An Innovative Layout Design Methodology for Stiffened Plate/Shell Structures by Material Increasing Criterion
(The American Society of Mechanical Engineers (ASME), 2013)The motivation of this paper is to develop a new and straightforward approach to provide a topology optimization solution for the layout design of stiffened plate/shell structures. Inspired by the similarities between the ... -
Electrothermomechanical Modeling and Analyses of Carbon Nanotube Polymer Composites
(The American Society of Mechanical Engineers (ASME), 2013)A new finite element (FE) modeling method has been developed to investigate how the electricalmechanicalthermal behavior of carbon nanotube (CNT)–reinforced polymer composites is affected by electron tunneling distances, ... -
Ab Initio Investigation of Strain Dependent Atomistic Interactions at Two Tropocollagen Hydroxyapatite Interfaces
(The American Society of Mechanical Engineers (ASME), 2013)Tropocollagen (TC) and hydroxyapatite (HAP) interfaces are one of the main load bearing entities in bone family of materials. Atomistic interactions in such interfaces occur in a variety of chemical environments under a ... -
Modeling of Grain Shape Effect on Multiaxial Plasticity of Metallic Polycrystals
(The American Society of Mechanical Engineers (ASME), 2013)A simplified nonincremental interaction law is used describing the nonlinear elasticinelastic behavior of FCC polycrystals proposed recently (AbdulLatif and Radi, 2010, “Modeling of the Grain Shape Effect on the ... -
Thermal Stresses in Metallic Materials Due to Extreme Loading Conditions
(The American Society of Mechanical Engineers (ASME), 2013)The role of thermal stresses, understood as stresses introduced by a uniform or nonuniform temperature change in a body which is somehow constrained against expansion or contraction, in metallic materials due to extreme ... -
Effect of High Strain Rate on Indentation in Pure Aluminum
(The American Society of Mechanical Engineers (ASME), 2013)The indentation properties of pure aluminum (99.9%, 3N aluminum) and high purity aluminum (99.999%, 5N aluminum) with respect to the strain rate dependence of strength are experimentally investigated in order to clarify ... -
Viscoelastic Responses of Silicone Rubber Based Magnetorheological Elastomers Under Compressive and Shear Loadings
(The American Society of Mechanical Engineers (ASME), 2013)Magnetorheological elastomers (MREs) are adaptive composite materials in the sense that their mechanical properties are tailored by the applied magnetic field. In this paper we developed both isotropic and anisotropic ... -
Multiscale Simulations for Impact Load–Induced Vibration: Assessing a Structure's Vulnerability
(The American Society of Mechanical Engineers (ASME), 2013)Vibration resulting from highvelocity projectiles impacting a structure was simulated at multiple scales. Local impact simulations were performed to predict the material deformation and penetration phenomena at the location ... -
Dynamic Localizations in HSLA 65 and DH 36 Structural Steel at Elevated Temperatures
(The American Society of Mechanical Engineers (ASME), 2013)This study addresses the problem of dynamic strain localization in two steel alloys; HSLA65 and DH36 at elevated temperatures. It aims at understanding the adiabatic deformation of high strength structural steel by performing ... -
Effect of Interfaces in the Work Hardening of Nanoscale Multilayer Metallic Composites During Nanoindentation: A Molecular Dynamics Investigation
(The American Society of Mechanical Engineers (ASME), 2013)To study the strain hardening in nanoscale multilayer metallic (NMM) composites, atomistic simulations of nanoindentation are performed on CuNi, CuNb, and CuNiNb multilayers. The loaddepth data were converted to hardnessstrain ... -
Multiscale Modeling of Damage Evolution in Viscoelastic Bituminous Mixtures Subjected to Cyclic Loading
(The American Society of Mechanical Engineers (ASME), 2013)This study presents a multiscale computational model and its application to predict damage dependent mechanical behavior of bituminous mixtures subjected to cyclic loading. Two length scales (global and local) are twoway ... -
On the Theory of Elastic Undamageable Materials
(The American Society of Mechanical Engineers (ASME), 2013)In this work, both the concepts of Voyiadjis–Kattan materials and undamageable materials are introduced. The Voyiadjis–Kattan material of order n is defined as a nonlinear elastic material that has a higherorder strain ... -
Continuum Models for the Plastic Deformation of Octet Truss Lattice Materials Under Multiaxial Loading
(The American Society of Mechanical Engineers (ASME), 2013)The continuum models that take plastic material behavior into consideration are derived to analyze periodic octettruss lattice materials under multiaxial loading. The main focus of this study is to investigate the basic ... -
Coupled Thermomechanical Modeling of Small Volume FCC Metals
(The American Society of Mechanical Engineers (ASME), 2013)The mechanical and thermal behavior of small volume metallic compounds on the fast transient time are addressed in this work through developing a thermodynamically consistent nonlocal framework. In this regard, an enhanced ... -
George Z. Voyiadjis
(The American Society of Mechanical Engineers (ASME), 2013)George was born on December 15, 1946 in Cairo, Egypt, the younger son of Greek Cypriot parents. He obtained his B.Sc. in civil engineering in 1969 from Ain Shams University with First Degree Honors on top of his class. He ... -
Design and Development of a Biaxial Tensile Test Device for a Thin Film Specimen
(The American Society of Mechanical Engineers (ASME), 2012)In this article, the design and development of a biaxial tensile test device and its specimen are described. The device, which was designed for evaluating the mechanical characteristics of a ... -
On Mechanical Properties of Composite Sandwich Structures With Embedded Piezoelectric Fiber Composite Sensors
(The American Society of Mechanical Engineers (ASME), 2012)The smart sandwich structures have been widely used in the aerospace, automobile, marine, and civil engineering applications. A typical smart sandwich structure is usually comprised of two stiff ... -
Effects of Heat Treatment on Mechanical Property and Microstructure of Aluminum/Stainless Steel Bimetal Plate
(The American Society of Mechanical Engineers (ASME), 2012)The effects of postrolling heat treatment on the mechanical property and microstructure of 1050 aluminum alloy and 304 stainless steel (SS) clad metals were investigated. Clad metals were made ... -
Interaction of Edge Dislocation With Stacking Fault Tetrahedron in Cu
(The American Society of Mechanical Engineers (ASME), 2012)This paper reports an anomaly in the yield strength of dislocation interacting with stacking fault tetrahedra (SFT) in Cu, reveals atomic mechanisms that are responsible for the anomaly, and ... -
Analytical Treatment of the Free Vibration of Single-Walled Carbon Nanotubes Based on the Nonlocal Flugge Shell Theory
(The American Society of Mechanical Engineers (ASME), 2012)In the current work, the vibration characteristics of single-walled carbon nanotubes (SWCNTs) under different boundary conditions are investigated. A nonlocal elastic shell model is utilized, which ...