Journal of Manufacturing Science and Engineering: Recent submissions
Now showing items 2821-2840 of 7723
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Creep/Fatigue Interaction Correlation for 304 Stainless Steel Subjected to Strain-Controlled Cycling With Hold Times at Peak Strain
(The American Society of Mechanical Engineers (ASME), 1971)A numerical integration of creep relaxation curves from strain-controlled fatigue tests with hold times introduced at peak strain is performed to sum creep damage by the linear life fraction ... -
Discussion: “Elastoplastic Collapse of Tubes Under External Pressure” (Heise, O., and Estergar, E. P., 1970, ASME J. Eng. Ind., 92, pp. 735–742)
(The American Society of Mechanical Engineers (ASME), 1971) -
Melt Pool Flow and Surface Evolution During Pulsed Laser Micro Polishing of Ti6Al4V
(The American Society of Mechanical Engineers (ASME), 2013)Extensive experimental work has shown that pulsed laser micro polishing (PLخ¼P) is effective for polishing micro metallic parts. However, the process physics have not been fully understood yet, especially with respect to ... -
Thermal Modeling of Ultraviolet Nanoimprint Lithography
(The American Society of Mechanical Engineers (ASME), 2013)Nanoimprint lithography (NIL) is a promising nanomanufacturing technology that offers an alternative to traditional photolithography for manufacturing nextgeneration semiconductor devices. This technology involves coating ... -
Experimental Study of High Temperature Hydrozing Annealing 1J50 Alloy's Magnetic Properties
(The American Society of Mechanical Engineers (ASME), 2013)The good DC magnetic properties can be achieved for 1J50 soft magnetic alloy by applying high temperature hydrogen annealing. Annealing process parameters, e.g., atmosphere, soaking temperature, and time, are critical to ... -
Characterizing the Effect of Laser Power Density on Microstructure, Microhardness, and Surface Finish of Laser Deposited Titanium Alloy
(The American Society of Mechanical Engineers (ASME), 2013)This paper reports the effect of laser power density on the evolving properties of laser metal deposited titanium alloy. A total of sixteen experiments were performed, and the microstructure, microhardness and surface ... -
The Performance of Diamond Like Carbon Coated Drills in Thermally Assisted Drilling of Ti 6Al 4V
(The American Society of Mechanical Engineers (ASME), 2013)Drilling performances of diamondlike carbon coatings incorporating W (WDLC) deposited on highspeed steel tools were evaluated when drilling Ti6Al4V at 25 آ°C and under thermally assisted machining (TAM) conditions at ... -
Integrated Process of Laser Assisted Machining and Laser Surface Heat Treatment
(The American Society of Mechanical Engineers (ASME), 2013)A process is proposed for integrating the laserassisted machining (LAM) and laser surface heat treatment (LSHT) in a single operation. Experimental and numerical investigations were carried out. LSHT tests were performed ... -
Magnetic Field Effects on Laser Drilling
(The American Society of Mechanical Engineers (ASME), 2013)A magnetic fieldassisted laser drilling process has been studied, where nanosecond laser ablation is performed under an external magnetic field. The study shows that the magnetic fieldassisted laser drilling process produces ... -
Analysis and Observations of Current Density Sensitivity and Thermally Activated Mechanical Behavior in Electrically Assisted Deformation
(The American Society of Mechanical Engineers (ASME), 2013)The flow of electric current through a metal during deformation has been observed to reduce its flow stress and increase its ductility. This observation has motivated the development of advanced “electricallyassisted†... -
Finite Element Modeling of Cutting Force and Chip Formation During Thermally Assisted Machining of Ti6Al4V Alloy
(The American Society of Mechanical Engineers (ASME), 2013)The improvement in machinability during thermally assisted turning of the Ti6Al4V alloy has been investigated using finite element modeling. A 2D thermally assisted turning model was developed and validated by comparing ... -
Influence of Preheating on Chip Segmentation and Microstructure in Orthogonal Machining of Ti6Al4V
(The American Society of Mechanical Engineers (ASME), 2013)Chip segmentation due to shear localization during machining of titanium alloys affects cutting forces and their machinability. Despite several studies on modeling and understanding influence of chip segmentation, little ... -
Ablation Dynamics of Silicon by Femtosecond Laser and the Role of Early Plasma
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, the femtosecond laser ablation of silicon is investigated by a twodimensional hydrodynamic model. The ablation depth of the silicon wafer ablated in air at different laser intensities is calculated, and the ... -
Electron Beam Additive Manufacturing of Titanium Components: Properties and Performance
(The American Society of Mechanical Engineers (ASME), 2013)This research evaluates the fatigue properties of Ti6Al4V specimens and components produced by Electron Beam additive manufacturing. It was found that the fatigue performance of specimens produced by additive manufacturing ... -
An Innovative Method to Measure the Cutting Temperature in Process by Using an Internally Cooled Smart Cutting Tool
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a novel approach to measure the cutting temperature in process and control it to some extent by using an internally cooled smart cutting tool with a closed internal cooling circuitry. Numerical modeling ... -
Numerical Modeling of Heat Distribution in the Electron Beam Meltingآ® of Ti 6Al 4V
(The American Society of Mechanical Engineers (ASME), 2013)Electron beam meltingآ® (EBM) is one of the fastest growing additive manufacturing processes capable of building parts with complex geometries, made predominantly of Tialloys. Providing an understanding of the effects of ... -
Investigation and Optimization of Laser Welding of Ti 6Al 4 V Titanium Alloy Plates
(The American Society of Mechanical Engineers (ASME), 2013)Titanium alloys are employed in a wide range of applications, from aerospace to medicine. In particular, Ti6Al4 V is the most common, thanks to an excellent combination of low density, high specific strength, and corrosion ... -
Ultrasonic Welding Simulations for Multiple Layers of Lithium Ion Battery Tabs
(The American Society of Mechanical Engineers (ASME), 2013)Ultrasonic welding is a solidstate bond created using ultrasonic energy. It has been used in the semiconductor industry for several decades, and more recently, in the automotive industry such as for lithiumion battery ... -
Numerical Simulation of GaN Growth in a Metalorganic Chemical Vapor Deposition Process
(The American Society of Mechanical Engineers (ASME), 2013)A detailed mathematical model for the growth of gallium nitride in a vertical impinging metalorganic chemical vapor deposition (MOCVD) reactor is developed first, and the complete chemical mechanisms are introduced. Then, ... -
The Investigation of Plasma Produced by Intense Nanosecond Laser Ablation in Vacuum Under External Magnetic Field Using a Two Stage Model
(The American Society of Mechanical Engineers (ASME), 2013)In this paper a twostage physicsbased model has been applied to study the evolution of plasma produced by highintensity nanosecond laser ablation in vacuum under external magnetic field. In the early stage (Stage I), the ...