Journal of Engineering Materials and Technology: Recent submissions
Now showing items 701-720 of 3257
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A Damage Model for Adhesively Bonded Single-Lap Thick Composite Joints
(The American Society of Mechanical Engineers (ASME), 2012)A proposed damage model is used for investigating the deformation and interfacial failure behavior of an adhesively bonded single-lap thick joint made of S2 glass/SC-15 epoxy resin composite ... -
Strengthening Behavior and Tension–Compression Strength–Asymmetry in Nanocrystalline Metal–Ceramic Composites
(The American Society of Mechanical Engineers (ASME), 2012)Metal–ceramic composites are an emerging class of materials for use in the next-generation high technology applications due to their ability to sustain plastic deformation and resist failure in ... -
An Internal State Variable Constitutive Model for Deformation of Austenitic Stainless Steels
(The American Society of Mechanical Engineers (ASME), 2012)Austenitic stainless steels—particularly the 304 and 316 families of alloys—exhibit similar trends in the dependence of yield stress on temperature. Analysis of temperature and strain-rate dependent ... -
Nonlinear Stress–Strain Characterization of Cast Iron Used to Manufacture Pipes for Water Supply
(The American Society of Mechanical Engineers (ASME), 2012)The stress–strain response of cast iron under tension or compression is nonlinear. This paper examines how the hyperbolic constitutive law can be applied to characterize nonlinear stress–strain ... -
Simulation of Material Flow and Heat Evolution in Friction Stir Processing Incorporating Melting
(The American Society of Mechanical Engineers (ASME), 2012)Friction stir processing (FSP) is a relatively new technology for microstructure refinement of metallic alloys. At high processing speeds, excessive heating due to severe plastic deformation and ... -
Dynamic Mechanical Analysis of Fly Ash Filled Polyurea Elastomer
(The American Society of Mechanical Engineers (ASME), 2011)In this work, the material properties of a series of fly ash/polyurea composites were studied. Dynamic mechanical analysis was conducted to study the effect of the fly ash volume fraction on ... -
Progressive Damage Analysis of Random Chopped Fiber Composite Using Finite Elements
(The American Society of Mechanical Engineers (ASME), 2011)The mechanical properties of random chopped fiber composites are analyzed using micromechanical principles. A progressive damage model is adopted to investigate the damage and failure of the ... -
Coupled Interfacial Energy and Temperature Effects on Size-Dependent Yield Strength and Strain Hardening of Small Metallic Volumes
(The American Society of Mechanical Engineers (ASME), 2011)Plasticity in heterogeneous metallic materials with small volumes is governed by the interactions of dislocations at interfaces. In particular, interfaces of a material confined in a small volume ... -
Study on the Cure Kinetic Behavior of Thermosetting Polyurethane Solids and Foams: Effect of Temperature, Density, and Carbon Nanofiber
(The American Society of Mechanical Engineers (ASME), 2011)Cure kinetic behavior was studied for both thermosetting polyurethane (PU) solids and foams. The effects of cure temperature, foam density, and carbon nanofiber (CNF) contents were examined. Cure ... -
Inverse Method for Estimating Resistivity of Carbon Fiber Composite Structures
(The American Society of Mechanical Engineers (ASME), 2011)A method to estimate the resistivity of composite structures using an inverse problem solving algorithm is presented that uses voltage distribution on the structure as data. Electrodes attached ... -
Structural Health Monitoring of Glass/Epoxy Composite Plates Using PZT and PMN-PT Transducers
(The American Society of Mechanical Engineers (ASME), 2011)The structural health monitoring of composite structures presents many challenges, ranging from sensors’ reliability and sensitivity to signal processing and a robust assessment of life to failure. ... -
Processing and Characterization of Thermoplastic Polyurethane Nanocomposite Thin Films
(The American Society of Mechanical Engineers (ASME), 2011)In this article, we have set up protocols for fabricating thermoplastic polyurethane thin films of about 30 μm (neat polyurethane and carbon nanofiber (CNF) containing polyurethane) via ultrasound ... -
Application of Multiscale Cohesive Zone Model to Simulate Fracture in Polycrystalline Solids
(The American Society of Mechanical Engineers (ASME), 2011)In this work, we apply the multiscale cohesive method ( and , 2010, “A Multiscale Cohesive Zone Model and Simulations of Fracture,” Comput. Methods Appl. Mech. Eng., 199, pp. 547–556) to ... -
Correlation of Thermal Conduction Properties With Mechanical Deformation Characteristics of a Set of SiC–Si3N4 Nanocomposites
(The American Society of Mechanical Engineers (ASME), 2011)New developments in high temperature ceramic materials technology have focused on obtaining nanocomposite materials with nanoscale features for an optimal control of thermal and mechanical properties. ... -
Mechanics of Indentation into Micro- and Nanoscale Forests of Tubes, Rods, or Pillars
(The American Society of Mechanical Engineers (ASME), 2011)The force-depth behavior of indentation into fibrillar-structured surfaces such as those consisting of forests of micro- or nanoscale tubes or rods is a depth-dependent behavior governed by ... -
Frequency-Steered Acoustic Arrays: Application to Structural Health Monitoring of Composite Plates
(The American Society of Mechanical Engineers (ASME), 2011)This paper presents the design, characterization, and application of periodic piezoelectric actuator arrays for structural health monitoring. In the proposed array configuration, all elements are ... -
Hyperelastic Constitutive Modeling of Hexagonal Honeycombs Subjected to In-Plane Shear Loading
(The American Society of Mechanical Engineers (ASME), 2011)The in-plane flexible shear property of hexagonal honeycombs may be useful for the compliant structural applications. In this paper, hyperelastic strain energy functions are developed for a finite ... -
Multiscale Characterization of Spatial Heterogeneity in Multiphase Composite Microstructures
(The American Society of Mechanical Engineers (ASME), 2011)A computational characterization technique is presented for assessing the spatial heterogeneity of two reactant phases in a three-phase chemically reactive composite. This technique estimates the ... -
Virtual Testing for Advanced Aerospace Composites: Advances and Future Needs
(The American Society of Mechanical Engineers (ASME), 2011)In this paper, the conceptual, experimental, and computational challenges associated with virtual testing have been discussed and recent advances that address these challenges have been summarized. ... -
Creep Responses of Smart Sandwich Composites at Multiple Length Scales: Experiments and Modeling
(The American Society of Mechanical Engineers (ASME), 2011)In service, composite structures present the unique challenge of damage detection and repair. Piezoelectric ceramic, such as lead zirconate titanate (PZT), is often used for detecting damage in ...