The second order necessary optimality conditions in a control problem with variable structure [PDF]
, 2018 Kamil B. Mansimov, Aydyn A. Alekberov
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Handbook of Establishing and Maintaining Oxygen‐Free Atmospheres
Advanced Engineering Materials, EarlyView.This study presents a practical framework for creating oxygen‐free atmospheres at ambient pressure using silane‐doped inert gases. The results show that ultra‐low oxygen levels and strongly reduced water content can be achieved through controlled silane dosing, drying systems, and sensor monitoring.
Sascha Jan Zimmermann +3 more
wiley +1 more source
No Evidence of Transfer of Learning Between Problem-Solving Tasks Using Different Transformation Rules. [PDF]
Open Mind (Camb)Gabriel G, Mushtaq F.
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SECOND ORDER SUFFICIENT OPTIMALITY CONDITIONS FOR SEMILINEAR ELLIPTIC CONTROL PROBLEM OF INFINITE ORDER [PDF]
, 2015 S. A. El-Zahaby
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On the no-gap second-order optimality conditions for a non-smooth semilinear elliptic optimal control [PDF]
, 2020 Vu Huu Nhu
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Effect of Oxygen Content on Surface and Subsurface Integrity During Turning of Ti–6Al–4V
Advanced Engineering Materials, EarlyView.This study examines how oxygen content in the ambient atmosphere affects the surface and subsurface properties of Ti–6Al–4V during turning. Results show that oxygen does not influence surface roughness. However, machining in an extremely high vacuum‐adequate atmosphere increases surface hardness by up to 7.8% and induces compressive residual stresses ...
Benjamin Bergmann +3 more
wiley +1 more source
Disturbance-tolerant quadrotor control using a hybrid LQR and super-twisting sliding mode approach. [PDF]
Sci RepBudak S, Sungur C, Durdu A.
europepmc +1 more source
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
Environmental dynamics impact whether matching is optimal. [PDF]
PNAS NexusGuo Y, Hermundstad AM.
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Advanced Engineering Materials, EarlyView.Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth +6 more
wiley +1 more source