Results 81 to 90 of about 210,986 (293)

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

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, Anthony Gonzalez, Aleksander Aleman, Tyler Dolmetsch, Tanaji Paul, Arvind Agarwal   +5 more
wiley   +1 more source

Dynamics of the ideal quantum measurement of a spin-1 with a Curie–Weiss magnet

Frontiers in Quantum Science and Technology
Quantum measurement is a dynamical process involving an apparatus coupled to a test system. The ideal measurement of the z-component of a spin-12(sz=±12) has been modeled by the Curie–Weiss model for quantum measurement.
Theodorus Maria Nieuwenhuizen
doaj   +1 more source

Thermodynamics and spin-charge separation of one-dimensional strongly repulsive three-component fermions

, 2011
The low temperature thermodynamics of one-dimensional strongly repulsive SU(3) fermions in the presence of a magnetic field is investigated via the Yang-Yang thermodynamic Bethe ansatz method.
Batchelor, Murray T., Guan, Xiwen, He, Peng, Lee, Jen Yee, Wang, Yupeng   +4 more
core   +1 more source

The postulates of gravitational thermodynamics [PDF]

, 1996
The general principles and logical structure of a thermodynamic formalism that incorporates strongly self-gravitating systems are presented. This framework generalizes and simplifies the formulation of thermodynamics developed by Callen.
B. F. Whiting, C. Lanczos, C. Lanczos, C. Rovelli, D. Nunez, E. A. Guggenheim, E. A. Martinez, E. A. Martinez, Erik A. Martinez, G. Carrington, H. B. Callen, H. Braden, J. Binney, J. D. Bekenstein, J. D. Brown, J. D. Brown, J. D. Brown, J. D. Brown, J. D. Brown, J. D. Brown, J. D. Brown, J. Louko, J. W. York, Jr., M. J. Massieu, O. B. Zaslavskii, O. B. Zaslavskii, O. B. Zaslavskii, O. B. Zaslavskii, P. C. W. Davies, R. C. Tolman, R. F. Greene, S. W. Hawking, V. de la Cruz, V. P. Frolov, V. P. Frolov, W. Israel, W. Israel   +36 more
core   +2 more sources

Phenomenological and Physically Based Modeling of Flow Stress and Strengthening Mechanism of Inconel 718

Advanced Engineering Materials, EarlyView.
Nickel‐based alloys are widely used in high‐temperature applications due to their excellent mechanical strength and oxidation resistance. However, properties such as high‐temperature strength and pronounced work‐hardening make them difficult to machine.
Soheil Rooein, Oliver Schenk, Christoph Broeckmann   +2 more
wiley   +1 more source

The role of quantum measurement in stochastic thermodynamics

, 2016
This article sets up a new formalism to investigate stochastic thermodynamics in the quantum regime, where stochasticity and irreversibility primarily come from quantum measurement. In the absence of any bath, we define a purely quantum component to heat
Auffèves, Alexia, Clusel, Maxime, Elouard, Cyril, Herrera-Martí, David   +3 more
core   +3 more sources

Investigation of Thermo‐Chemical Processes in Commercial MgO‐C Refractory Bricks With and Without MgO‐C Recyclate at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm, Jana Hubálková, Christian Schimpf, Thomas Schemmel, Christos G. Aneziris, Anja Weidner, Horst Biermann   +6 more
wiley   +1 more source

THE ANALYSIS OF GIBBS ENERGY CHANGE AT EQUILIBRIUM CRYSTALLIZATION OF ALLOYS OF EUTECTIC TYPE BY METHODS OF GEOMETRICAL THERMODYNAMICS [PDF]

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2012
Using geometrical thermodynamics methods possible versions of Gibbs energy are found and their dependence on temperature and concentration of components in a diphasic zone at equilibrium crystallization of alloys of eutectic type.
V.D. Aleksandrov, N.V. Shchebetovskaya, O.V. Aleksandrova, O.A. Pokyntelytsia   +3 more
doaj  

Exactly solvable models and ultracold Fermi gases

, 2010
Exactly solvable models of ultracold Fermi gases are reviewed via their thermodynamic Bethe Ansatz solution. Analytical and numerical results are obtained for the thermodynamics and ground state properties of two- and three-component one-dimensional ...
A Foerster, Batchelor M T, C C N Kuhn, He J S, He P Yin X Guan X-W Batchelor M T Wang Y, Iida T, Larkin A I, M T Batchelor, X-W Guan, Yin X-G Guan X-W Chen S Batchelor M T   +9 more
core   +1 more source

Combined Process‐ and Phase‐Field‐Simulation to Predict the Microstructure of Single‐Crystal Ni‐Based Superalloys

Advanced Engineering Materials, EarlyView.
A combined finite element and phase‐field approach predicts the evolution of microstructure during the directional solidification of Ni‐based superalloys. The model reveals how withdrawal rate, temperature gradient, and wall thickness control the dendrite spacing, highlighting the strong effect of surface regions in thin sections where dendrite growth ...
Sean Böhm, André B. Baldissera, Rainer Völkl, Uwe Glatzel   +3 more
wiley   +1 more source