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RISPerformance Investigation of Polymer Electrolyte Membrane Fuel Cells Using Graphite Composite Plates Fabricated by Selective Laser Sintering
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Selective laser sintering (SLS) was used to fabricate graphite composite plates for polymer electrolyte membrane fuel cells, which has the advantages of reducing time and cost associated with the research and development ...
Development of Freeze Form Extrusion Fabrication With Use of Sacrificial Material
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The development of freezeform extrusion fabrication (FEF) process to fabricate threedimensional (3D) ceramic parts with use of sacrificial material to build support sections during the fabrication process is presented in ...
Experimental and Computational Evaluation of Performance and Water Management Characteristics of a Bio Inspired Proton Exchange Membrane Fuel Cell
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A bioinspired proton exchange membrane (PEM) fuel cell with a flow field that mimics a leaf pattern is experimentally and computationally evaluated. Experiments are conducted using a transparent assembly for direct ...
Modeling, Analysis, and Simulation of Paste Freezing in Freeze Form Extrusion Fabrication of Thin Wall Parts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During the freezeform extrusion fabrication (FEF) process for aqueousbased pastes, the subzero temperature (in Celsius) environment aids the part in maintaining its shape by freezing the water present in the paste. The ...
Additive Manufacturing: Current State, Future Potential, Gaps and Needs, and Recommendations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Additive manufacturing (AM), the process of joining materials to make objects from threedimensional (3D) model data, usually layer by layer, is distinctly a different form and has many advantages over traditional manufacturing ...
Extrusion Process Modeling for Aqueous Based Ceramic Pastes—Part 1: Constitutive Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The extrusion process for aqueousbased ceramic pastes is complex due to the nonNewtonian behavior of these pastes. In this study, the extrusion process is modeled by characterizing the ceramic paste viscosity using a ...
Extrusion Process Modeling for Aqueous Based Ceramic Pastes—Part 2: Experimental Verification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the Part 1 paper, a constitutive law for the extrusion process of aqueousbased ceramic pastes was created. In the study described herein, a capillary rheometer was used to calibrate the viscosity of an alumina paste, ...
Design and Implementation of a Broker for Cloud Additive Manufacturing Services
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With increasing number of cloud additive manufacturing (AM) service providers, cloud AM services are becoming decentralized and it is difficult for consumers to discover cloud AM services according to their personal ...
Hybrid Extrusion Force Velocity Control Using Freeze Form Extrusion Fabrication for Functionally Graded Material Parts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Freezeform extrusion fabrication (FEF) is an additive manufacturing (AM) process that uses an aqueousbased paste loaded with ceramic or metal powder to build complex, threedimensional parts by extruding the material from ...
A Comparative Study of Pellet-Based Extrusion Deposition of Short, Long, and Continuous Carbon Fiber-Reinforced Polymer Composites for Large-Scale Additive Manufacturing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pellet-based extrusion deposition of carbon fiber-reinforced composites at high material deposition rates has recently gained much attention due to its applications in large-scale additive manufacturing. The mechanical and ...