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On Process Temperature in Powder Bed Electron Beam Additive Manufacturing: Model Development and Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Powderbed beambased metal additive manufacturing (AM) such as electron beam additive manufacturing (EBAM) has a potential to offer innovative solutions to many challenges and difficulties faced in the manufacturing industry. ...
On Process Temperature in Powder Bed Electron Beam Additive Manufacturing: Process Parameter Effects
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Build part certification has been one of the primary roadblocks for effective usage and broader applications of metal additive manufacturing (AM) technologies including powderbed electron beam additive manufacturing (EBAM). ...
Axisymmetric Nonlinear Stability of a Shallow Conical Shell with a Spherical Cap of Arbitrary Variable Shell Thickness
Publisher: American Society of Civil Engineers
Abstract: The axisymmetric nonlinear stability of a shallow conical shell with a spherical cap was studied using the point collocation method with the cubic B-spline function as a trial function. Formulas were set up to consider ...
A Combined Experimental-Numerical Method to Evaluate Powder Thermal Properties in Laser Powder Bed Fusion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Powder bed metal additive manufacturing (AM) utilizes a high-energy heat source scanning at the surface of a powder layer in a predefined area to be melted and solidified to fabricate parts layer by layer. It is known that ...
Incorporating Six Degree of Freedom Intervertebral Joint Stiffness in a Lumbar Spine Musculoskeletal Model—Method and Performance in Flexed Postures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Intervertebral translations and rotations are likely dependent on intervertebral stiffness properties. The objective of this study was to incorporate realistic intervertebral stiffnesses in a musculoskeletal model of the ...
Numerical and Experimental Studies of Cavitation Damage Characteristics of 17-4PH Stainless Steel Under Array Groove Structure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cavitation erosion caused by bubble collapse due to pressure fluctuations is a common phenomenon in critical components such as steam turbines, centrifugal pumps, ship propellers, turbine blades, valves, and engine cylinder ...