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63 risultati trovati.

Tipi di risorsa: Libro cartaceo Libro elettronico Articolo Rivista Tesi Capitolo
Ricerca accademica
Phase transformations in Mo-doped FINEMETs
Articolo
Articolo
Silveyra, Josefina María et al · Elsevier Science · 2010 · ISSN 2720-2725
In this paper, the phase transformations occurring during the crystallization process of FINEMETs in which Nb has been gradually replaced by Mo have been studied by a variety of techniques including DSC, DTA, TGA, XRD an...
Idioma Inglés
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Open Access
Phase transformations during continuous cooling of polycrystalline β-CuAlBe alloys
Articolo
Articolo
Montecinos Espinoza, Susana de Los Angeles et al · Elsevier Science Sa · 2009 · ISSN 0925-8388
The transformations during continuous cooling and their effect on the thermoelastic behaviour of β-CuAlBe shape memory alloys have been studied by electrical resistometry, microscopy and differential calorimetry. Under ...
Idioma Inglés
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Open Access
Thermodynamically consistent multiscale formulation of a thermo-mechanical problem with phase transformations
Articolo
Articolo
Said Schicchi, Diego et al · Springer · 2019 · ISSN 0935-1175
A multiscale framework for thermo-mechanical analysis with phase transformations is proposed in this work. The formulation covers those cases including coupled constitutive equations for simulating thermo-mechanical proc...
Idioma Inglés
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Open Access
On the Role of Mesoentropy in Thermodynamics of First Order Phase Transformations in Alloys
Articolo
Articolo
A. Shirinyan · Vasyl Stefanyk Carpathian National University · 2016 · ISSN 1729-4428
A thermodynamics of a new phase formation in a binary alloy, taking into account the chemical depletion and the size distribution of new phase nuclei giving the energy input at high temperatures, is considered. It is sho...
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Open Access
Research of High-Temperature Heat and Mass Transfer and Kinetics of Phase Transformations during combustion higher alkanes in the air
Articolo
Articolo
S. G. Orlovska et al · Vasyl Stefanyk Carpathian National University · 2016 · ISSN 1729-4428
The paper presents a study of high-temperature heat and mass transfer and combustion kinetics of octadecaneparticle in room temperature air taking in consideration fuel heating, melting and evaporation. The consecutivest...
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Open Access
Introducing Berry phase gradients along the optical path via propagation-dependent polarization transformations
Articolo
Articolo
Dorrah Ahmed H. et al · Wiley · 2021 · ISSN 2192-8614
As a classical or quantum system undergoes a cyclic evolution governed by slow change in its parameter space, it acquires a topological phase factor known as the geometric or Berry phase. One popular manifestation of thi...
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Open Access
Spain: a Changing Society
Libro elettronico
Libro elettronico
Campo, Salustiano del; Tezanos, José Félix · Biblioteca Nueva · 2013 · ISBN 9788499406923
In Spain: A changing society, several authors analyze the principal transformations that have occurred from the beginning of the democratic transition and the approval of the Spanish Constitution of 1978, until the end o...
Idioma Inglés
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Institucional
Statistical Thermodynamics and Surface Phase Transitions of Interacting Particles Adsorbed on One-Dimensional Channels Arranged in a Triangular Cross-Sectional Structure
Articolo
Articolo
Pasinetti, Pedro Marcelo et al · Trans Tech Publications · 2009 · ISSN 1012-0394
Monte Carlo simulations and finite-size scaling analysis have been carried out to study the critical behavior in a submonolayer lattice-gas, which mimics a nanoporous environment. In this model, one-dimensional chains of...
Idioma Inglés
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Open Access
Calculation of diffusion flows for the formation of phases in alloys iron - carbon - alloying element
Articolo
Articolo
S. V. Bobyr · Vasyl Stefanyk Carpathian National University · 2019 · ISSN 1729-4428
The method of calculation of diffusion flows under phase transformations in alloys are iron - carbon - alloying element using the principles of nonequilibrium thermodynamics. The expressions for calculation of cross-fact...
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Open Access
Modeling of the phase-structural state in a hybrid multicomponent alloy with a high boron content
Articolo
Articolo
Yu.G. Chabak et al · Vasyl Stefanyk Carpathian National University · 2022 · ISSN 1729-4428
The present work is focused on analyzing the thermodynamically equilibrium path of structure formation in a multi-component Fe-W-Mo-Cr-Ti-Mn-Si alloy of tribotechnical purpose, containing 0.72 wt. % C and 2.75 wt. % B is...
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Open Access
Remarks on the Particular Behavior in Martensitic Phase Transition in Cu-Based and Ni-Ti Shape Memory Alloys
Articolo
Articolo
Torra, Vicenç et al · Springer · 2018 · ISSN 2199-384X
Many macroscopic behaviors of the martensitic transformations are difficult to explain in the frame of the classical first-order phase transformations, without including the role of point and crystallographic defects (di...
Idioma Inglés
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Open Access
Absolute determination of the gelling point of gelatin under quasi-thermodynamic equilibrium
Articolo
Articolo
Bellini, Franco et al · Wiley Blackwell Publishing, Inc · 2015 · ISSN 0022-1147
Thermodynamic studies on phase transformation of biopolymers in solution are useful to understand their nature and to evaluate their technological potentials. Thermodynamic studies should be conducted avoiding time-relat...
Idioma Inglés
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Open Access
Integrated Modelling of Microstructure Evolution and Mechanical Properties Prediction for Q&P Hot Stamping Process of Ultra-High Strength Steel
Articolo
Articolo
Yang Chen et al · KeAi Communications Co., Ltd · 2020 · ISSN 1000-9345
Abstract High strength steel products with good ductility can be produced via Q&P hot stamping process, while the phase transformation of the process is more complicated than common hot stamping since two-step quenching ...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma Inglés
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Open Access
A Review on Friction Stir Welding of Steels
Articolo
Articolo
Dhanesh G Mohan et al · KeAi Communications Co., Ltd · 2021 · ISSN 1000-9345
Abstract Friction Stir Welding (FSW) is the most promising solid-state metals joining method introduced in this era. Compared to the conventional fusion welding methods, this FSW can produce joints with higher mechanical...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma Inglés
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Open Access
Auxetic properties of some intermetallic compounds
Articolo
Articolo
M. Raransky et al · Vasyl Stefanyk Carpathian National University · 2022 · ISSN 1729-4428
With the application of a linear theory of elasticity of anisotropic crystals and the use of experimental values of elastic moduli Сij and compliances Sij given in the Landolt-Börstein tables, characteristic surfaces o...
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Open Access
Determination of the transition resistance of detachable electrical contacts with Camital active grease
Articolo
Articolo
V. V. Kozyrskyi et al · National Technical University "Kharkiv Polytechnic Institute" · 2026 · ISSN 2074-272X
Problem. The reliability of detachable electrical contact connections is significantly reduced due to an increase in transition electrical resistance caused by thermomechanical deformations, oxidation of contact surfaces...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma Inglés
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Open Access
Manufacturing of nitinol-based alloys by using modern technology: A short review
Articolo
Articolo
Chingiz Imamalizade · Vasyl Stefanyk Carpathian National University · 2023 · ISSN 1729-4428
The paper provides a brief review of literature data on the synthesis, processing, structure, mechanical properties, and application of nitinol and alloys based on it, which are promising functional materials found appli...
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Open Access
Monitoring of friction node surfaces in the context of their physico-chemical interactions with lubricating media of different surface activity
Articolo
Articolo
V.I. Kyrychenko et al · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 1729-4428
The article deals with tribochemical influence of the surface activity of biosynthetic oils on the operational efficiency and reliability of lubricated friction nodes under the critical conditions. It is proved that the ...
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Open Access
Structural state and thermodynamic stability of Fe-B-C alloys
Articolo
Articolo
N. Yu. Filonenko et al · Vasyl Stefanyk Carpathian National University · 2020 · ISSN 1729-4428
The studies were performed for the specimens of Fe-B-C alloys with boron content of 0.005–7.0 wt.% and carbon content of 0.4–5.5 wt.%, the rest was iron. From the data of microstructure analysis, X-ray structural a...
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Open Access
Phase Transitions in Ag₈SnSe₆ and Ag₈SnS₆: Mössbauer and X-ray Study
Articolo
Articolo
M. V. Chekailo et al · Vasyl Stefanyk Carpathian National University · 2025 · ISSN 1729-4428
The structural transformations accompanying the low-temperature phase transition (PT) β´→γ in the argyrodite Ag8SnSe6 characterized by mixed electron-ionic conductivity, have been studied using nuclear gamma resonan...
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Open Access
Time-optimal trajectory planning for unmanned ships along a specified path based on the phase plane
Articolo
Articolo
Yi Zhang et al · Elsevier · 2026 · ISSN 2468-0133
This study addresses the under-explored dynamic characteristics of unmanned ships in trajectory planning by constructing a constraint space in the navigation state-phase plane. First, we employ a path-velocity decoupling...
LCC LCC:Ocean engineeringIdioma Inglés
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Open Access
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