Results 81 to 90 of about 157,096 (318)
Advanced Engineering Materials, EarlyView.Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios +5 more
wiley +1 more source
Shielding Effectiveness of Laminated Shields
Radioengineering, 2008 Shielding prevents coupling of undesired radiated electromagnetic energy into equipment otherwise susceptible to it. In view of this, some studies on shielding effectiveness of laminated shields with conductors and conductive polymers using plane-wave theory are carried out in this paper.
Jayasree, P. V. Y. +2 more
openaire +2 more sources
A potential solution to GMAW gas flow optimisation [PDF]
, 2012 A number of self-regulating shielding gas valves have been developed to synchronise the shielding gas flow rate to the welding current being used in the gas metal arc welding process (GMAW).
Campbell, Stuart +3 more
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Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Helium additions to MIG shielding gas - an economic option? [PDF]
, 2011 An investigation has been carried out to establish the technical and economic benefits of adding two levels of helium to a normal shielding gas. Technically no adverse issues were established using the two levels of helium, and the most significant ...
Gillies, Andrew +2 more
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Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys
Advanced Engineering Materials, EarlyView.This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa +9 more
wiley +1 more source
A 3D-Printed, Metallic-Free, Water-Based Metamaterial for Tunable S-Band Applications
IEEE AccessIn this paper, a tunable, water-based S-band metamaterial realized with 3D printing technology and not requiring metallic materials is presented. The proposed structure is capable of reconfiguring between Artificial Magnetic Conductor (AMC) and Radar ...
Edoardo Giusti +2 more
doaj +1 more source
Three-dimensional crack growth in multi-layered architectures for automotive plain bearings [PDF]
, 2009 The assessment of shielding and anti-shielding effects on crack growth in multi-layered architectures is achieved using elasto-plastic finite element models.
Burke-Veliz, A. +2 more
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Advanced Engineering Materials, EarlyView.Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies +2 more
wiley +1 more source
Measures for attenuation of interference at the level of design of the temperature control interface module for spacecraft measuring instruments [PDF]
Космические аппараты и технологииWhen developing temperature control interface modules used as part of spacecraft onboard equipment, it is important to correctly substantiate the set of measures to ensure their noise immunity, taken at the design levels of the measuring system ...
A. I. Gornostaev
doaj