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RISTheoretical and Experimental Study on Dynamic Coefficients and Stability for a Hydrostatic/Hydrodynamic Conical Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a theoretical study and experimental method to recognize the dynamic performance (stiffness and damping coefficients) of an externally pressurized deep/shallow pockets hybrid ...
A Simplified Method for Optimal Sensor Distribution for Process Fault Diagnosis in Multistation Assembly Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The fault diagnosis plays an important role for product quality improvement in the multistation assembly processes (MAPs) and the efficiency of diagnosis significantly depends on the sensor ...
Compliant Assembly Variation Analysis of Scalloped Segment Plates With a New Irregular Quadrilateral Plate Element Via ANCF
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The accurate calculation of deformation during assembly process is important for deviation propagation of large-scale thin-walled hemisphere structures with manufacturing deviations due to the nonuniformed material properties ...
Channel Dimensional Error Effect of Stamped Bipolar Plates on the Characteristics of Gas Diffusion Layer Contact Pressure for Proton Exchange Membrane Fuel Cell Stacks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thin metallic bipolar plates (BPPs) fabricated by stamping technology are regarded as promising alternatives to traditional graphite BPPs in proton exchange membrane (PEM) fuel cell. However, during the stamping process, ...
An Analytical Model for Contact Pressure Prediction Considering Dimensional Error of Stamped Bipolar Plate and Gas Diffusion Layer in Proton Exchange Membrane Fuel Cell Stack Assembly
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Contact pressure distribution between bipolar plate (BPP) and gas diffusion layer (GDL) has significant impact on performance and life time of proton exchange membrane (PEM) fuel cell. Most current studies for contact ...
Modeling of the Friction Behavior in Metal Forming Process Considering Material Hardening and Junction Growth
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In various plastic forming processes of metals, friction has been revealed to play an important role in the determination of the material flow, fracture, and surface quality. The precise description of friction behavior ...
Identification of Canonical Basis of Screw Systems Using General-Special Decomposition
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The theory of screws plays a fundamental role in the field of mechanisms and robotics. Based on the rank-one decomposition of positive semidefinite (PSD) matrices, this paper presents a new algorithm to identify the canonical ...
An Experimental Investigation on the Fabrication of Micro/Meso Surface Features by Metallic Roll to Plate Imprinting Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Metallic components with largearea functional surface micro/mesostructures have been increasingly utilized in various industrial fields, such as friction/wear reduction, viscous drag reduction, and energy efficiency ...
Experimental Investigation of Tensile Properties of SS316L and Fabrication of Micro/Mesochannel Features by Electrical Assisted Embossing Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During the electricalassisted forming process, a significant decrease in the flow stress of the metal is beneficial to reduce the required force for the deformation with highdensity electrical current introduced through ...
Analysis of Micro/Mesoscale Sheet Forming Process by Strain Gradient Plasticity and Its Characterization of Tool Feature Size Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Conventional material models cannot describe material behaviors precisely in micro/mesoscale due to the size/scale effects. In micro/mesoscale forming process, the reaction force, localized stress concentration, and ...