Journal of Engineering Materials and Technology: Recent submissions
Now showing items 521-540 of 3257
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Experimental Investigation on Joining Dissimilar Aluminum Alloy 6061 to TRIP 780/800 Steel Through Friction Stir Welding
(The American Society of Mechanical Engineers (ASME), 2015)Friction stir welding (FSW) technique has been successfully applied to butt joining of aluminum alloy 6061T6 to one type of advanced high strength steel (AHSS), transformation induced plasticity (TRIP) 780/800 with the ... -
Synergistic Effects of Fatigue and Marine Environments on Carbon Fiber Vinyl Ester Composites
(The American Society of Mechanical Engineers (ASME), 2015)Fiberreinforced polymer (FRP) composites used in the construction of compositebased civil and military marine crafts are often exposed to aggressive elements that include ultraviolet radiation, moisture, and cyclic loadings. ... -
Load Carrying Capacities of Butt Welded Joints in High Strength Steels
(The American Society of Mechanical Engineers (ASME), 2015)The aim of this study is to investigate the influence of yield strength of the filler material and weld metal penetration on the load carrying capacity of butt welded joints in highstrength steels (HSS) (i.e., grade S700 ... -
Strengthening and Improving Yield Asymmetry of Magnesium Alloys by Second Phase Particle Refinement Under the Guidance of Integrated Computational Materials Engineering
(The American Society of Mechanical Engineers (ASME), 2015)Improving yield strength and asymmetry is critical to expand applications of magnesium alloys in industry for higher fuel efficiency and lower CO2 production. Grain refinement is an efficient method for strengthening low ... -
The Corrosion Behavior of 9Cr Ferritic–Martensitic Heat Resistant Steel in Water and Chloride Environment
(The American Society of Mechanical Engineers (ASME), 2015)The corrosion behavior of 9Cr ferritic–martensitic heatresistant steel was investigated in water and chloride environment at room temperature (RT). The results of linear polarization, electrochemical impedance spectroscopy ... -
Discussion: “Mechanical Anisotropy and Strain Rate Dependency Behavior of Ti6Al4V Produced Using E Beam Additive Fabrication†(Ladani, L., Razmi, J., and Choudhury, S. F., 2014, ASME J. Eng. Mater. Technol., 136(3), p. 031006)
(The American Society of Mechanical Engineers (ASME), 2015)The paper by Ladani et al. [1] presents an investigation of the mechanical properties, including anisotropy and strain rate sensitivity, of Ti6Al4V test specimens fabricated using the electron beam melting (EBM) additive ... -
A Modified Closed Form Energy Based Framework for Axial Isothermal Mechanical Fatigue Life Assessment for Aluminum 6061 T6
(The American Society of Mechanical Engineers (ASME), 2015)In the present investigation, the applicability of a previously developed closed form energy based framework to predict low cycle fatigue (LCF) life of aluminum 6061T6 was extended from room temperature to elevated ... -
Influences of Exothermic Reactive Layer and Metal Interlayer on Fracture Behavior of Reactively Bonded Solder Joints
(The American Society of Mechanical Engineers (ASME), 2015)Reactively bonded solder joints with Al/Ni exothermic films attract much attention in semiconductor and microelectromechanical systems (MEMS) industries. Higher bond strength of the joints is required for longterm mechanical ... -
Low Temperature Sintering of ZnO–TiO2 Ceramics
(The American Society of Mechanical Engineers (ASME), 2015)Vanadium pentoxide (V2O5) was chosen as a sintering aid to lower the sintering temperature of the ZnO–TiO2 system. The effect of V2O5 on the sintering behavior and material properties of ZnO–TiO2 ceramics and cermets ... -
Finite Element Modeling of Shot Peening Residual Stress Relaxation in Turbine Disk Assemblies
(The American Society of Mechanical Engineers (ASME), 2015)Surface enhancement techniques such as shot peening are extensively used to increase the fatigue life of components in gas turbine engines. Due to the combined thermomechanical nature of the loading encountered within an ... -
Effect of Dispersion Conditions on the Thermal and Mechanical Properties of Carbon Nanofiber–Polyester Nanocomposites
(The American Society of Mechanical Engineers (ASME), 2015)In this study, sonication dispersion technique was employed to infuse 0.1–0.4 wt.% carbon nanofibers (CNFs) into polyester matrix to enhance thermomechanical properties of resulting nanocomposites. The effect of ... -
Effect of Pin and Shoulder Geometry on Stir Zone and Mechanical Properties of Friction Stir Spot Welded Aluminum Alloy 2024 T3 Sheets
(The American Society of Mechanical Engineers (ASME), 2015)Friction stir spot welding (FSSW) was performed on 2024T3 Al alloy to study the effect of pin and shoulder geometry (cylindrical and triangular shapes) on stir zone (SZ) characteristics and mechanical properties of welded ... -
Time Independent Plasticity Based on Thermodynamic Equilibrium and Its Stability
(The American Society of Mechanical Engineers (ASME), 2015)Within the thermodynamic framework with internal variables by Rice (1971, “Inelastic Constitutive Relations for Solids: An Internal Variable Theory and Its Application to Metal Plasticity,†J. Mech. Phys. Solids, 19(6), ... -
Modeling of Microstructure Effects on the Mechanical Behavior of Ultrafine Grained Nickels Processed by Severe Plastic Deformation by Crystal Plasticity Finite Element Model
(The American Society of Mechanical Engineers (ASME), 2015)In this study, a crystal plasticity finite element model (CPFEM) has been revisited to study the microstructure effects on macroscopic mechanical behavior of ultrafinegrained (UFG) nickels processed by severe plastic ... -
On the Failure Locus of Isotropic Materials in the Stress Triaxiality Space
(The American Society of Mechanical Engineers (ASME), 2015)The aim of this paper is to contribute to the prediction of the failure of materials (ductile and brittle) with a single criterion (rule) not violating the assumptions of continuum mechanics. In this work, the failure ... -
Mechanics of Nanocrystalline Particles With the Distinct Element Method
(The American Society of Mechanical Engineers (ASME), 2015)In geomechanics and civil engineering, the distinct element method (DEM) is employed in a topdown manner to simulate problems involving mechanics of granular media. Because this particlebased method is well adapted to ... -
Longitudinal Wave Velocity in Auxetic Rods
(The American Society of Mechanical Engineers (ASME), 2015)This short brief develops a model for the velocity of longitudinal wave propagation in auxetic rods. Due to the large density change in auxetic solids and significant lateral deformation for Poisson's ratio between −1 ... -
Thermomechanical Fatigue of Mar M247: Extension of a Unified Constitutive and Life Model to Higher Temperatures
(The American Society of Mechanical Engineers (ASME), 2015)The predictive capability of the Sehitoglu–Boismier unified constitutive and life model for MarM247 Nibase superalloy is extended from a maximum temperature of 871 آ°C to 1038 آ°C. The unified constitutive model ... -
Thermorheological Characterization of Elastoviscoplastic Carbopol Ultrez 20 Gel
(The American Society of Mechanical Engineers (ASME), 2015)The temperature and concentration play an important role on rheological parameters of the gel. In this work, an experimental investigation of thermorheological properties of aqueous gel Carbopol Ultrez 20 for various ... -
High Temperature Flow Behavior and Microstructure of Al Cu/Mg2Si Metal Matrix Composite
(The American Society of Mechanical Engineers (ASME), 2015)The present work deals with the high temperature flow behavior and the microstructure of the AlCu/Mg2Si metal matrix composite. Toward this end, a set of hot compression tests was performed in a wide range of temperature ...