Journal of Engineering Materials and Technology: Recent submissions
Now showing items 501-520 of 3257
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Influences of Specimen Size and Temperature on Viscoelastic Tensile Properties of SU 8 Photoresist Films
(The American Society of Mechanical Engineers (ASME), 2016)In this paper, the influences of specimen size and test temperature on the viscoelastic properties of SU8 photoresist films are described. Films with the thicknesses of 1 خ¼m and 10 خ¼m are subjected to quasistatic ... -
Micromechanical Modeling of the Ratcheting Behavior of 304 Stainless Steel
(The American Society of Mechanical Engineers (ASME), 2016)Numerical simulations of 304 austenitic stainless steel (SS304) cyclic and ratcheting responses are performed using polycrystalline plasticity models. On the basis of the polycrystalline model of Cailletaud and Pilvin ... -
A Simple Constitutive Model for Prediction of Single Peak Flow Curves Under Hot Working Conditions
(The American Society of Mechanical Engineers (ASME), 2016)The hot flow stress of a typical stainless steel was modeled by the Hollomon equation, a modified form of the Hollomon equation, and another modified form based on the Fields–Backofen equation. The coupled effect of the ... -
Generation of Three Dimensional Microstructure Model for Discontinuously Reinforced Composite by Modified Random Sequential Absorption Method
(The American Society of Mechanical Engineers (ASME), 2016)Computer simulation of mechanical behavior of discontinuously reinforced composites containing randomly oriented shortfibers/whiskers presents an attractive opportunity for reduction of the number of experiments and resources ... -
Importance of Bonding Atmosphere for Mechanical Reliability of Reactively Bonded Solder Joints
(The American Society of Mechanical Engineers (ASME), 2016)Selfpropagating exothermic reaction bonding (SERB) technique with Al/Ni multilayer film is fascinating in the viewpoint of lots of outstanding features, such as atmosphereindependent exothermic reaction and its selfpropagation. ... -
Asymmetric Postbuckling Behavior of Hemispherical Shell Structure Under Axial Compression
(The American Society of Mechanical Engineers (ASME), 2016)In real physical experiments, three typical deformation stages including elastic deformation stage, symmetric deformation stage, and asymmetric deformation stage appear step by step when the stainless steel hemispherical ... -
Effect of Geometrical Discontinuities on Strain Distribution for Orthotropic Laminates Under Biaxial Loading
(The American Society of Mechanical Engineers (ASME), 2016)The contemporary approach of utilizing uniaxial tests data for prediction of failure in composite materials, that are anisotropic and inhomogeneous under multiaxial loading has witnessed to be inadequate. Consequently, ... -
Predicting the Peen Forming Effectiveness of Ti 6Al 4V Strips With Different Thicknesses Using Realistic Finite Element Simulations
(The American Society of Mechanical Engineers (ASME), 2016)This paper is intended to quantify the relationship between the peen forming effectiveness and various involved parameters through a realistic numerical study. For this purpose, a new finite element (FE) model is proposed ... -
Bending Stresses in Triangular Auxetic Plates
(The American Society of Mechanical Engineers (ASME), 2016)This technical brief considers bending stress minimization as a basis for obtaining the optimal Poisson's ratio of simply supported equilateral triangular plates under (a) bending loads at the plate boundary, (b) uniform ... -
Plastic Zone Size at Sharp Indentation of Classical Elastic–Plastic Materials: Behavior at Ideally Plastic Hardening
(The American Society of Mechanical Engineers (ASME), 2016)Sharp indentation problems are examined based on finite element methods (FEMs) and selfsimilarity considerations. The analysis concerns classical elastic–plastic materials with low, or no, strainhardening and especially ... -
Experimental Assessment of High Damping Rubber Under Combined Compression and Shear
(The American Society of Mechanical Engineers (ASME), 2016)High damping rubber (HDR) is used in the manufacturing of elastomeric bearings for seismic isolation of building and structures. In practical situations, rubber bearings are subjected to a permanent vertical load which may ... -
Comparison of Static and Dynamic Powder Compaction: Experiment and Simulation
(The American Society of Mechanical Engineers (ASME), 2016)In this work, the static and dynamic compaction response of a sixmaterial mixture, containing both brittle and ductile constituents, is compared. Quasistatic and dynamic compaction experiments were conducted on samples and ... -
Incorporating Density and Temperature in the Stretched Exponential Model for Predicting Stress Relaxation Behavior of Polymer Foams
(The American Society of Mechanical Engineers (ASME), 2016)This paper discusses an approach to incorporate density and temperature terms in the wellknown stretched exponential (SE) model for predicting the stress relaxation behavior of polymer foams. We have developed this approach ... -
Vibration Induced Fatigue Analysis of [0n/90n]s Simply Supported Composite Plate Under Central Patch Impulse Loading
(The American Society of Mechanical Engineers (ASME), 2015)Fatigue analysis of a simply supported composite plate with laminate configuration of [0n/90n]s under central patch impulse loading is presented using an analytical method. The method mainly consists of two steps, one, ... -
Piezo Barkhausen Emission as an Indicator of the Fatigue Limit of Steel
(The American Society of Mechanical Engineers (ASME), 2015)The fatigue properties of two variants of AISI 1018 steel samples were measured in a series of 33 experiments using new kinds of magnetic diagnostics. An MTS810 servohydraulic test machine applied sinusoidal fully reversed ... -
Verification of a Thermoviscoplastic Constitutive Relation for Brass Material Using Taylor's Test
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents a methodology to define and verify the dynamic behavior of materials based on Taylor's test. A brass alloy with a microstructure composed mainly of two pure metals that have two different crystal ... -
Formability Assessment of Prestrained Automotive Grade Steel Sheets Using Stress Based and Polar Effective Plastic Strain Forming Limit Diagram
(The American Society of Mechanical Engineers (ASME), 2015)Accurate prediction of the formability in multistage forming process is very challenging due to the dynamic shift of limiting strain during the different stages depending on the tooling geometry and selection of the process ... -
Application of the VPSC Model to the Description of the Stress–Strain Response and Texture Evolution in AZ31 Mg for Various Strain Paths
(The American Society of Mechanical Engineers (ASME), 2015)Accurate description of the mechanical response of AZ31 Mg requires consideration of its strong anisotropy both at the single crystal and polycrystal levels, and its evolution with accumulated plastic deformation. In this ... -
Experimental and Numerical Evaluation of Thickness Reduction in Steel Plate Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2015)A multiscale modeling approach was utilized to predict thickness reduction in steel plate heat exchangers (PHEs) utilized in combi boilers. The roles of texture and microstructure were successfully accounted for by properly ... -
Closure to “Discussion of â€کMechanical Anisotropy and Strain Rate Dependency Behavior of Ti6Al4V Produced Using E Beam Additive Fabrication’†(Pettit, C., Mullen, J., Bhave, T., and Kraft, F. F., ASME J. Eng. Mater. Technol., 137(3), p. 031006)
(The American Society of Mechanical Engineers (ASME), 2015)According to classical mechanics definition, if the material properties are the same in all direction, material is called isotropic. The word isotropy means uniformity in all orientations and it is derived from the Greek ...