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RISPunch Press Monitoring with Acoustic Emission (AE) Part II: Effects of Process Variables
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a previous paper, the acoustic emission (AE) signal emitted from a Minster1 #3 punch press was completely characterized and effects of stock hardness were examined. The AE signal emitted ...
Punch Press Monitoring with Acoustic Emission (AE) Part I: Signal Characterization and Stock Hardness Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: As an integral part of the punch press monitoring research program, the Acoustic Emission (AE) signal emitted from a Minster1 #3 punch press is completely characterized in terms of signal ...
On the Design and Construction of Direct-Drive Robots
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this research, a statically-balanced direct-drive manipulator is designed and constructed to achieve improved dynamic behavior for compliance control [10, 11, 12]. The manipulator mechanism, ...
Dynamic Fracture Under Normal Impact Loading of the Crack Faces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Results of experiments on crack-face impact are presented. The transient stress-intensity factor variation of a crack has been traced by the Stress-Intensity Factor Tracer (SIFT) [1] under ...
A Stress Intensity Factor Tracer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new optical method, Stress Intensity Factor Tracer (SIFT), has been developed. The device measures continuously the real-time stress intensity factor variation, K1 (t), of a moving crack tip ...
Initiation and Arrest of Delayed Hydride Cracking in Zr–2.5Nb Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Using Kim’s delayed hydride cracking (DHC) model, this study reanalyzes the critical temperatures for DHC initiation and arrest in Zr–2.5Nb tubes that had previously been investigated with the ...
On the Plane Stress to Plane Strain Transition Across the Shear Zone in Metal Cutting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of the stress state transition from plane stress at the workpiece surface to plane strain in the central region of the chip formation zone were studied. A finite element analysis ...
Finite Element Method for the Analysis of a Material Property Identification Algorithm for Pressbrake Bending
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Finite element analysis is used to evaluate an algorithm to identify the material characteristics of a sheet being bent in a pressbrake from force and displacement measurements. In this way, ...
Thermal Analysis of Composite Phase Change Drywall Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The main barriers affecting the performance of phase change materials (PCM) wallboard system during energy recovery mode are identified as inadequate heat transfer and overall reduction in thermal ...
Fatigue Test Data for Welded Connections in Ship-Shaped Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Five different specimens representing different typical welded connections in ship-shaped structures were fatigue-tested by HHI in Korea. The test data from the five different specimens for one ...