Results 231 to 240 of about 114,452,841 (273)
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Continuum Mechanics and Thermodynamics, 2023
We use a coupled thermodynamically consistent framework to model reactive chemo-mechanical responses of solid solutions. Specifically, we focus on chemically active solid solutions that are subject to mechanical effects due to heterogeneous stress distributions.
Santiago PENA CLAVIJO +3 more
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We use a coupled thermodynamically consistent framework to model reactive chemo-mechanical responses of solid solutions. Specifically, we focus on chemically active solid solutions that are subject to mechanical effects due to heterogeneous stress distributions.
Santiago PENA CLAVIJO +3 more
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Irreversible Thermodynamics for Damage Mechanics of Solid Materials
Materials: Processing, Characterization and Modeling of Novel Nano-Engineered and Surface Engineered Materials, 2002In this paper a thermodynamic framework has been presented for damage mechanics of solids materials. Traditional damage mechanics theory uses damage potential function to trace damage evolution. In this framework entropy production is used as a measure of damage in the system.
Cemal Basaran, Shihua Nie
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Thermodynamic and mechanical equilibrium morphologies of microasperities on a solid surface
Physics Letters A, 1982Abstract Micron size tapered asperities having a bent or spiralled appearance have been observed in SEM studies of ion bombarded surfaces. We suggest that these forms arise from the relaxation of surface stress σ on what are initially conical asperities.
Jeffrey Belson, Ian H. Wilson
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SSRN Electronic Journal, 2021
In this work, chili straw (CS) was pretreated by microwave at 250 W, 406 W, 567 W, and 700 W. The pyrolysis characteristics, kinetics, thermodynamic parameters, and solid reaction mechanism were investigated. The maximum weight loss rate increases from - 24.72%/°C at P0 to - 28.01%/°C at P700 after microwave pretreatment, and the residual mass ...
Xikui, Zhang +3 more
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In this work, chili straw (CS) was pretreated by microwave at 250 W, 406 W, 567 W, and 700 W. The pyrolysis characteristics, kinetics, thermodynamic parameters, and solid reaction mechanism were investigated. The maximum weight loss rate increases from - 24.72%/°C at P0 to - 28.01%/°C at P700 after microwave pretreatment, and the residual mass ...
Xikui, Zhang +3 more
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Structural, thermodynamic, and mechanical properties of WCu solid solutions
Journal of Physics and Chemistry of Solids, 2017Abstract Various properties of W Cu solid solutions are systematically investigated through a combined use of first-principles calculation, cluster expansion, special quasirandom structures (SQS), and lattice dynamics. It is shown that SQS are effective to unravel the intrinsic nature of solid solutions, and that BCC and FCC W 100-x Cu x solid ...
C.P. Liang, C.Y. Wu, J.L. Fan, H.R. Gong
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Formation of thermodynamically unstable solid solutions in the Cu-Co system by mechanical alloying
Physical Review B, 1993Cu-Co has been chosen as a model system to study phase formation during mechanical alloying in systems with components exhibiting a positive heat of mixing. Phase formation is monitored by scanning electron microscopy, x-ray diffraction, and calorimetric measurements.
, Gente, , Oehring, , Bormann
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On the thermodynamic foundations of non-linear solid mechanics
International Journal of Non-Linear Mechanics, 1972Abstract Non-equilibrium thermodynamics with internal variables governed by rate equations is explored as a foundation for non-linear solid mechanics. Rate equations are studied as to type, yielding descriptions of viscoelastic, viscoplastic, and plastic behavior.
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Crystal Growth & Design, 2013
A study of a solid state phase transition in dipivaloyl(3-cyclopentylpropanoyl)methane was undertaken by a combination of crystallographic and calorimetric methods. The high temperature polymorph with two molecules in the asymmetric unit and a disordered cyclopentyl group undergoes a reversible phase transition into an ordered structure with a single ...
Kaitner, Branko, Stilinović, Vladimir
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A study of a solid state phase transition in dipivaloyl(3-cyclopentylpropanoyl)methane was undertaken by a combination of crystallographic and calorimetric methods. The high temperature polymorph with two molecules in the asymmetric unit and a disordered cyclopentyl group undergoes a reversible phase transition into an ordered structure with a single ...
Kaitner, Branko, Stilinović, Vladimir
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Exploring the structural, mechanical and thermodynamic properties of
AbstractAlthough Ti‐V based high‐temperature alloys are used in aerospace engine, rocket engine and hot sections, the structure and mechanical properties of Ti‐V alloys remains controversy. To explore the correlation between structural and mechanical properties, we apply employed the DFT method to study the phases stability, mechanical and ...
Yong Pan, Jiaxin Zhu
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Continuum Mechanics and Thermodynamics, 2021
Two formulae were developed to express sublimation enthalpy and Young’s modulus on a thermodynamic basis. The first formula reveals how the sublimation enthalpy is correlated with the thermal expansion coefficient and heat capacity of solids, whereas the second formula relates the Young’s modulus with sublimation enthalpy and equilibrium interatomic ...
Enrico Benassi, Haiyan Fan
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Two formulae were developed to express sublimation enthalpy and Young’s modulus on a thermodynamic basis. The first formula reveals how the sublimation enthalpy is correlated with the thermal expansion coefficient and heat capacity of solids, whereas the second formula relates the Young’s modulus with sublimation enthalpy and equilibrium interatomic ...
Enrico Benassi, Haiyan Fan
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