Journal of Engineering Materials and Technology: Recent submissions
Now showing items 81-100 of 3205
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Novel Modeling of Heat and Moisture Diffusion in Adhesive Joints
(The American Society of Mechanical Engineers (ASME), 2022)A novel two-dimensional shear stress-heat and moisture diffusion model is proposed for adhesive single-lap joints. Spatial and time-dependent material properties are derived from coupled partial differential equations ... -
High-Temperature Thermal Transport Properties of Multifunctional PTFE/PEEK-Matrix Composite With Short Carbon Fibers and Graphite Flakes
(The American Society of Mechanical Engineers (ASME), 2022)A combined experimental and theoretical investigation is conducted on elevated-temperature thermal transport properties of a multifunctional polytetrafluoroethylene (PTFE)/polyetheretherketone (PEEK) matrix composite ... -
Extension of the Adjustable Localization Operator Method to Anisotropic Elasto-Plastic Behavior for Low-Cycle Fatigue Life Prediction
(The American Society of Mechanical Engineers (ASME), 2022)The adjustable localization operator (ALO) method allows for the local analytical calculation of complex structures under multiaxial confined plasticity cyclic loadings. This study proposes a theoretical framework for the ... -
Experimental Study on Laser-Induced Surface Damage of a Single-Crystal Nickel-Based Superalloy Under Continuous Wave Fiber Laser Scanning Process
(The American Society of Mechanical Engineers (ASME), 2022)Single-crystal (SC) nickel-based superalloy castings offer high-temperature mechanical properties that result in superior gas turbine engine performance and durability. These castings undergo various precision machining ... -
Closed-Form General Relationship Model for the Interfacial Oxidation of Cylindrically Curved Surfaces
(The American Society of Mechanical Engineers (ASME), 2022)A closed-form algebraic expression of the general relationship between film thickness and time during thermal oxidation as attained by Deal and Grove for planar surfaces has remained elusive for surfaces with curvature. ... -
High-Temperature Dynamic Mechanical Properties Characterization of Polymer Coatings via Nanoindentation
(The American Society of Mechanical Engineers (ASME), 2021)Polymer coatings are widely used in industrial applications. The mechanical properties of these polymer coatings are known to vary with temperature and deformation rate. The characterization of the dynamic mechanical ... -
Characterizing the Fatigue Behavior of Wrought Fe–Co–2V Using Experimental Techniques
(The American Society of Mechanical Engineers (ASME), 2022)Fe–Co–2V (Hiperco®2 equivalent) is a soft ferromagnetic material that is commonly used for electrical components that require robust magnetic performance. Despite the excellent magnetic properties of Fe–Co–2V, it often ... -
Impact Forming of AA5052-H32 Sheets With Friction Stir Spot Welds Using a Shock Tube and Failure Assessment
(The American Society of Mechanical Engineers (ASME), 2022)In this present study, both the experimental and numerical investigations are carried out to understand the formability of AA 5052-H32 sheets of 1.5 mm thickness with friction stir spot weld (FSSW). A shock tube experimental ... -
Effect of Oxygen Diffusion During the Post-Processing of Ti6Al4V Lattice Structures Fabricated by the Selective Laser Melting Process
(The American Society of Mechanical Engineers (ASME), 2022)Post-processing of Ti6Al4V lattice structures fabricated using selective laser melting (SLM) was performed using hot isostatic pressing (HIPing) and heat treatment (HT) to mitigate the undesired effect of rapid cooling ... -
Influence of 650 °C Thermal Aging on Microstructure and Creep–Fatigue Behaviors of P92 Steel
(The American Society of Mechanical Engineers (ASME), 2022)In this paper, P92 steel was subjected to thermal aging treatment at 650 °C for 800 h, and then basic mechanical and creep–fatigue test was performed. The creep–fatigue cycle response trend is consistent before and after ... -
Experimental and Numerical Study of Turbine Blade Fatigue Based on a Creep-Fatigue Prediction Model
(The American Society of Mechanical Engineers (ASME), 2022)To scrupulously predict the creep-fatigue life of materials, a creep life prediction model is first proposed in this study considering real-time creep damage derived from the Kachanov creep damage model -
Evaluation of Microstructure and Mechanical Properties of Al-Zn-Mg-Cu Alloy Repaired via Additive Friction Stir Deposition
(The American Society of Mechanical Engineers (ASME), 2022)A novel solid-state additive manufacturing (AM) process, additive friction stir deposition (AFS-D), provides a new pathway for additively repairing damaged nonweldable aerospace materials that are susceptible to induced ... -
Ex situ Spectroscopic Characterization of Residual Effects of Thermomechanical Loading on Polyurea
(The American Society of Mechanical Engineers (ASME), 2022)The residual effect of thermally and mechanically loaded polyurea samples was investigated in this study using terahertz time-domain spectroscopy (THz-TDS). Samples of different thicknesses were submerged in liquid nitrogen ... -
Nondestructive Photoelastic and Machine Learning Characterization of Surface Cracks and Prediction of Weibull Parameters for Photovoltaic Silicon Wafers
(The American Society of Mechanical Engineers (ASME), 2022)A nondestructive photoelastic method is presented for characterizing surface microcracks in monocrystalline silicon wafers, calculating the strength of the wafers, and predicting Weibull parameters under various loading ... -
Experimental Evaluation of Tension and Shear Responses of Material Discontinuities in Origami-Based Sheet Metal Bending
(The American Society of Mechanical Engineers (ASME), 2022)Origami-based sheet metal (OSM) bending uses the origami concept to form three-dimensional (3D) structures from a two-dimensional (2D) sheet by performing a series of bending operations. The OSM bending relies on material ... -
Prediction of the Onset of Failure in Elastomeric Solids With Weld Lines Being Represented as Localized Regions of Lower Density
(The American Society of Mechanical Engineers (ASME), 2021)We study the initiation of damage in a polymeric body in which there is a line defect due to the formation of a “weld line” that occurs when two polymer streams join together and then solidify. We show that damage initiates ... -
Comparing the Mechanical and Thermal Properties of Polylactic Acid/Organosolv Lignin Biocomposites Made of Different Biomass for 3D Printing Applications
(The American Society of Mechanical Engineers (ASME), 2021)This work investigates the differences in mechanical and thermal properties of polylactic acid (PLA)/lignin biocomposites made of four different unmodified organosolv lignin materials, three of which were extracted from ... -
Mechanical and Microstructural Performance Evaluation of Diffusion Bonded Alloy 800H for Very High Temperature Nuclear Service
(The American Society of Mechanical Engineers (ASME), 2021)Very high temperature reactors (VHTRs) are planned to be operated between 550 and 950∘C and demand a thermally efficient intermediate heat exchanger (IHX) in the heat transport system (HTS). The current technological ... -
Fabrication of Robust Superhydrophobic Nickel Films on Steel Surface With High Corrosion Resistance, Mechanical and Chemical Stability
(The American Society of Mechanical Engineers (ASME), 2021)Superhydrophobic films were successfully grafted on a steel substrate using potentiostatic electrodeposition of nickel followed by treatment with myristic acid (MA) as a low surface energy material. A scanning electron ... -
Protective and Thermophysical Characteristics of Plasma-Electrolytic Coatings on the Ultralight Magnesium Alloy
(The American Society of Mechanical Engineers (ASME), 2021)Magnesium alloys are now widely used for various purposes due to their unique properties despite the significant disadvantage associated with low corrosion resistance. The plasma-electrolytic oxidation (PEO), which allows ...