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Effects of Electropulsing Treatment on the Element Diffusion Between Ti6Al4V and Commercially Pure Titanium
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Previous studies show that the phase transition temperature of Ti6Al4V can be effectively reduced by electropulsing treatment, which may be related to the promotion effect of current on element diffusion. In order to verify ...
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 ...
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 ...
Investigation of Deformation Behavior of SS304 and Pure Copper Subjected to Electrically Assisted Forming Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Both electrically assisted tension (EAT) and thermally assisted tension (TAT) tests were performed on SS304 and pure copper to decouple the influence of elevated temperature from electric current on flow stress and ductility. ...
Analysis of the Electric and Thermal Effects on Mechanical Behavior of SS304 Subjected to Electrically Assisted Forming Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Significant improvements in deformation resistance and ductility of metals are observed in the electrically assisted forming (EAF) process. Both electroplastic effect (EPE) induced by electric current and thermal effect ...
Damage Mechanisms of Material in Single-Cone Scratching
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The scratching test has been a key method to characterize the basic mechanics of material in vast scenarios. Although attentions have been paid to this field for decades, a comprehensive analytical framework, which includes ...