Journal of Engineering Materials and Technology: Recent submissions
Now showing items 121-140 of 3257
-
Research on Strengthening Mechanism of Rare Earth Cemented Carbide Tool Material
(The American Society of Mechanical Engineers (ASME), 2022)In this paper, the first principle method based on density functional theory is adopted to establish the interface model of WC/WC-Co through the software Materials Studio (MS). On the basis of this interface structure, ... -
Influence of the Geometric Parameters on the Fiber Stresses in Unidirectional Composites Subject to Transverse Loading
(The American Society of Mechanical Engineers (ASME), 2022)When a unidirectional (UD) composite is subjected to transverse loading, different fibers are not stressed equally. In this paper, realizations of virtual random representative volume element (RVE) and experimental SEM ... -
A Unique Method to Determine Ferrite and Martensite Phase Stress–Strain Curve for Manufacturing Process
(The American Society of Mechanical Engineers (ASME), 2022)Finite element (FE) methods have been extensively used to simulate the effects of material’s microstructure during machining processes. However, determination of the individual microstructure phase stress–strain curves is ... -
Large Deflections of Functionally Graded Nonlinearly Elastic Cantilever Beams
(The American Society of Mechanical Engineers (ASME), 2022)Uses of functionally graded materials (FGMs) are increasing owing to recent development in manufacturing technologies. Large deflection of beams that made of nonlinearly elastic, Ludwick's type of material, and also FGMs ... -
Effects of Preheating on Microstructural and Mechanical Properties of Friction Stir Welded Thin Low Carbon Steel Joints
(The American Society of Mechanical Engineers (ASME), 2022)Friction stir welding of a low carbon thin steel plate was performed with preheating the base material to increase the joining performance. The rotational speed of the tool was set from 1500 to 2000 rpm with a constant ... -
Experimental Measurements Using Digital Image Correlation Methods: Brief Background and Perspective on Future Developments
(The American Society of Mechanical Engineers (ASME), 2022)Digital image correlation (DIC) methods initially were developed in the early 1980s to simplify basic in-plane laboratory experiments, modified in the 1990s to obtain full three-dimensional surface displacements and shape ... -
Effect of Vanadium on the Microstructure, Transformation Temperatures, and Corrosion Behavior of NiTi Shape Memory Alloys
(The American Society of Mechanical Engineers (ASME), 2022)Ni50Ti50-xVx (x = 0, 1, 2, 3 at%) shape memory alloys were prepared by vacuum induction melting. They were homogenized and then hot rolled. Carbon hydrogen nitrogen oxygen sulfur (CHNOS) and X-ray diffraction (XRD) analyses ... -
Comparative Studies on Shear Failure Behaviors of U71Mn Rail Steel at High Strain Rates Using Hat-Shaped Specimens
(The American Society of Mechanical Engineers (ASME), 2022)The shear failure behaviors of U71Mn rail steel are investigated by quasi-static and dynamic compression tests utilizing two different hat-shaped specimens: S1 which combines shear and compressive stress states and S2 which ... -
Thermally Grown Oxide Stress in PS-PVD and EB-PVD Thermal Barrier Coatings Observed at Various Lifetimes Via Synchrotron X-ray Diffraction
(The American Society of Mechanical Engineers (ASME), 2022)The current standard application method for thermal barrier coatings (TBCs) on turbine blades for jet engines is electron-beam physical vapor deposition (EB-PVD) due to its high strain tolerance and low thermal conductivity. ... -
Identification Method for Material Constants in Johnson–Cook Model Associated With Strain-Rate and Temperature Sensitivities Using Ball Impact and Indentation Tests
(The American Society of Mechanical Engineers (ASME), 2022)The Johnson–Cook (JC) flow stress model can simply express the strain-rate and temperature dependencies of the flow stress. We previously proposed a concept of a simple identification method for material constants in the ... -
An Experimental Investigation of the Influence of the State of Stress on the Ductile Fracture of 2024-T351 Aluminum
(The American Society of Mechanical Engineers (ASME), 2022)This paper investigates the influence of stress state on the equivalent plastic fracture strain in 2024-T351 aluminum alloy. Eighteen unique stress states at failure—with triaxialities ranging from 0.388 (compressive) to ... -
Microstructure Evolution and Mechanical Properties of AISI 430 Ferritic Stainless Steel Strengthened Through Laser Carburization
(The American Society of Mechanical Engineers (ASME), 2022)Carburization assisted by laser processing is a promising method to strengthen metallic materials. Direct laser beam carburization is implemented for the first time on thin AISI 430 ferritic stainless steel (FSS) sheets ... -
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 ...