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RISImproving Milling Performance with High Pressure Waterjet Assisted Cooling / Lubrication
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During machining, due to relative motion between tool and workpiece, severe thermal/frictional conditions exist at the tool-chip interface. Metal machining processes can be more efficient in terms ...
Cutting Force Dynamics as a Tool for Surface Profile Monitoring in AWJ
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abrasive waterjet cut surface is characterized using static and dynamic characterization techniques. A novel method of auto regressive moving average model identification called model distance ...
Influence of Cracking Direction on Interfacial Fracture in Bicrystals With Symmetric Tilt Boundary
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent experiments by Wang (1990) on copper bicrystals with a [110] symmetric tilt of 38.9 degrees have shown that the mode of fracture of these bicrystals, i.e., whether fracture is of a ...
Swirling Gas–Liquid Two-Phase Flow—Experiment and Modeling Part I: Swirling Flow Field
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Compact cyclonic separators are based on swirling flow, whereby the phases are separated due to the centrifugal forces generated by the flow. This phenomenon is common in several compact ...
Swirling Gas–Liquid Two-Phase Flow—Experiment and Modeling Part II: Turbulent Quantities and Core Stability
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part I of this two-part paper on swirling gas–liquid two-phase flow, correlations have been developed for the continuous liquid-phase velocity field under swirling conditions, such as that ...
Monitoring of Thermal Energy Distribution in Abrasive Waterjet Cutting Using Infrared Thermography
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal energy distribution in the workpiece cut with abrasive waterjet (AWJ) is analyzed using the technique of infrared thermography through isotherms and linescans. Variation in workpiece ...
On Void Growth in Elastic-Nonlinear Viscous Solids Under Creep and Cyclic Creep Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The growth of initially spherical periodic grain boundary voids in an elastic-nonlinear viscous material is investigated. Large geometry changes are taken into account to correctly capture the ...
J-Estimation Schemes for Internal Circumferential and Axial Surface Cracks in Pipe Elbows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the spirit of GE/EPRI fracture mechanics procedure, estimation schemes for the crack driving force for circumferentially and axially surface-cracked pressurized elbows subjected to bending are ...
Effect of Elastic Accommodation on Diffusion-Controlled Cavity Growth in Metals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effect of elastic accommodation on the grain boundary diffusion-controlled void growth was analyzed using an axisymmetric unit cell model. An incremental form of the virtual work principle ...
A Study of Effects of Pipe Geometry on FAD Curves for Austenitic Stainless Steel and Ferritic Steel Piping Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A comprehensive study of failure assessment diagrams for circumferentially surface-cracked austenitic stainless and ferritic steel pipes was conducted with the use of the finite element method ...