Journal of Engineering Materials and Technology: Recent submissions
Now showing items 741-760 of 3257
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Uniaxial Strain and Stress-Controlled Cyclic Responses of Ultrahigh Molecular Weight Polyethylene: Experiments and Model Simulations
(The American Society of Mechanical Engineers (ASME), 2011)Thermoplastics such as ultrahigh molecular weight polyethylene (UHMWPE) are used for a wide variety of applications, such as bearing material in total replacement of knee and hip components, ... -
The Impact of Weld Metal Creep Strength on the Overall Creep Strength of 9% Cr Steel Weldments
(The American Society of Mechanical Engineers (ASME), 2011)In this work, three joints of a X11CrMoWVNb9-1-1 (P911) pipe were welded with three filler metals by conventional arc welding. The filler metals varied in creep strength level, so that one ... -
Processing of Small Scale Nitinol Billets by Induction Heated Nonconventional Isothermal Extrusion (IHNCIE)
(The American Society of Mechanical Engineers (ASME), 2011)This paper describes a novel process designed specifically for extruding small scale billets, between 850°C and 950°C, in very short cycle times of 10 min. Induction heated nonconventional ... -
Study of Machining-Induced Microstructure Variations of Nanostructured/Ultrafine-Grained Copper Using XRD
(The American Society of Mechanical Engineers (ASME), 2011)Various methods for the production of bulk nanostructured (NS)/ultrafine-grained (UFG) materials have been developed, including equal channel angular extrusion (ECAE), a form of severe plastic ... -
Modeling of Strain-Stress Relationship for Carbon Steel Deformed at Temperature Exceeding Hot Rolling Range
(The American Society of Mechanical Engineers (ASME), 2011)The subject of the presented paper is the modeling of strain-stress relationship, which is the main mechanical property characteristic of the behavior of steel subjected to plastic deformation. ... -
Influence of Dissipated Energy on Shear Band Spacing in HY-100 Steel
(The American Society of Mechanical Engineers (ASME), 2011)To analyze the formation of multiple shear bands in HY-100 steel, we consider an infinitely extended layer of finite thickness subjected to shear loading. The perturbation approach, associated ... -
Microstructure and Properties of the Composites: Hydroxyapatite With Addition of Zirconia Phase
(The American Society of Mechanical Engineers (ASME), 2011)The group of bioceramics includes hydroxyapatites, which, due to their specific properties, are widely used in biotechnology. These compounds exist in skeletons of human and animal bodies. A ... -
Study on Machinabilty of Al2O3 Ceramic Composite in EDM Using Response Surface Methodology
(The American Society of Mechanical Engineers (ASME), 2011)Electric discharge machining (EDM) has been proven as an alternate process for machining complex and intricate shapes from the conductive ceramic composites. Al2O3 based electrodischarge machinable ... -
Use of a Continuum Damage Model Based on Energy Equivalence to Predict the Response of a Single-Crystal Superalloy
(The American Society of Mechanical Engineers (ASME), 2011)Anisotropic viscoplasticity coupled with anisotropic damage has been modeled in previous works by using the energy equivalence principle appropriately adjusted. Isotropic and kinematic hardenings ... -
Effect of Cyclic Strain on the Mechanical Behavior of a Thermoplastic Polyurethane
(The American Society of Mechanical Engineers (ASME), 2011)Thermoplastic polyurethanes (TPUs) are polymeric materials employed in a wide array of applications in the industrial field. Knowledge of their mechanical behavior is essential in order to obtain ... -
Finite Element Analysis of Welding Processes by Way of Hypoelasticity-Based Formulation
(The American Society of Mechanical Engineers (ASME), 2011)Welding is one of the most important joining processes, and the effect of welding residual stresses in a structure has a great deal of influence on its quality. In spite of such a key ... -
Epoxy Adhesives Modified With Nano- and Microparticles for In Situ Timber Bonding: Fracture Toughness Characteristics
(The American Society of Mechanical Engineers (ASME), 2011)Adhesives used for bonded-in steel or composite pultruded rods and plate to make connections in timber structures are commonly room temperature cure adhesives. The room temperature cure, applied ... -
Effect of Localized Metal Matrix Composite Formation on Spot Friction Welding Joint Strength
(The American Society of Mechanical Engineers (ASME), 2011)In this study, metal particles were added during the spot friction welding (SFW) process, a solid state sheet metal joining process, to create a localized metal matrix composite (MMC) for the ... -
Effects of Interfacial Friction Distribution on the Superplastic Forming of AA5083
(The American Society of Mechanical Engineers (ASME), 2011)This paper studies the effects of interfacial friction distribution on the integrity of superplastic formed parts. For that purpose, the deformation of AA5083 superplastic aluminum alloy into a ... -
An Instantaneous Power of Strain Approach to the Calculation of Elastoplastic Strain Energy Density in SUS 304 Steel
(The American Society of Mechanical Engineers (ASME), 2011)Presenting a method of identifying and calculating the elastoplastic strain energy density with the instantaneous power of strain, authors of this paper propose using it as a fatigue life/parameter ... -
Modeling the S-N Curves of Polyamide PA66 Using a Serial Hybrid Neural Network
(The American Society of Mechanical Engineers (ASME), 2011)The fatigue damage to polymers generally depends on the material properties as well as on the mechanical, thermal, chemical, and other environmental influences. In this article, a methodology ... -
Physical Properties of Porous Clay Ceramic-Ware
(The American Society of Mechanical Engineers (ASME), 2011)The focus of this study is on the physical properties of clay ceramic materials compatible for drinking water filtration. A multiparameter lognormal multivariate regression approach is proposed ... -
Modeling and Measurement of Residual Stresses in a Steel Vessel Containing Glass
(The American Society of Mechanical Engineers (ASME), 2011)Residual stresses in a stainless steel vessel containing glass have been evaluated using measurements and numerical simulation. High-level nuclear wastes are often vitrified in glass cast in ... -
Modeling of Oxygen Diffusion Along Grain Boundaries in a Nickel-Based Superalloy
(The American Society of Mechanical Engineers (ASME), 2011)Finite element analyses of oxygen diffusion at the grain level have been carried out for a polycrystalline nickel-based superalloy, aiming to quantify the oxidation damage under surface oxidation ... -
Fatigue Life Modeling of Anisotropic Materials Using a Multiaxial Notch Analysis
(The American Society of Mechanical Engineers (ASME), 2011)Fatigue life modeling of anisotropic materials such as directionally-solidified (DS) and single-crystal Ni-base superalloys is often complicated by the presence of notches coupled with dwells at ...