نتایج جستجو برای: Thermo-elastic diffusion

تعداد نتایج: 245565  

This paper deals with the propagation of magneto-thermo Rayleigh waves in a homogeneous viscoelastic half-space under initial stress. It has been observed that velocity of Rayleigh waves depends on viscosity, magnetic field, temperature and initial stress of the half-space. The frequency equation for Rayleigh waves under the effect of magnetic field, stress and temperature for both viscoelastic...

In this study, using the non-local elasticity theory, the buckling and vibration analysis of triple- walled ZnO piezoelectric Timoshenko beam on elastic Pasternak foundation is analytically investigated under magneto-electro-thermo-mechanical loadings. Using the Timoshenko beam free body diagram, the equilibrium equation of Timoshenko nano-beam model is obtained and solved by Navier’s method fo...

Journal: :Advanced healthcare materials 2015
Sebastian Hackelbusch Torsten Rossow Dirk Steinhilber David A Weitz Sebastian Seiffert

Stimuli-responsive hydrogels are able to change their physical properties such as their elastic moduli in response to changes in their environment. If biocompatible polymers are used to prepare such materials and if living cells are encapsulated within these networks, their switchability allows the cell-matrix interactions to be investigated with unprecedented consistency. In this paper, thermo...

Journal: :Lecture notes in production engineering 2023

Abstract The paper deals with strategies for numerical compensation of thermo-mechanical deformation machine tool spindles and the TCP, respectively. Methods digital modelling simulating temperatures thermo-elastic are presented. This is done by considering geometry, material data, drive signals temperature values. topic compensating effects in spindle units an important manufacturing. Analytic...

2012
Mohammad Azadi Mahboobeh Azadi

FGM components are generally constructed to sustain elevated temperatures and severe temperature gradients. Low thermal conductivity, low coefficient of thermal expansion and core ductility have enabled the FGM material to withstand higher temperature gradients for a given heat flux. Examples of structures undergo extremely high temperature gradients are plasma facing materials, propulsion syst...

2012
P. Das M. Kanoria

This paper deals with magneto-thermo-elastic interaction due to thermal shock on the stress free boundary of the half-space of perfect conducting medium in the context of two-temperature generalized thermo-elasticity with energy dissipation (TEWED) (GN III model), see [1, 2, 3]. The governing equations are solved in the Laplace transformation domain using state-space approach. The inversion of ...

Journal: :Dental materials : official publication of the Academy of Dental Materials 2005
Jan De Munck Kirsten Van Landuyt Eduardo Coutinho André Poitevin Marleen Peumans Paul Lambrechts Bart Van Meerbeek

UNLABELLED A widely used artificial aging methodology is thermo-cycling. The ISO TR 11450 standard (1994) recommends 500 cycles in water between 5 and 55 degrees C. Recent literature revealed that more cycles are needed to mimic long-term bonding effectiveness. Furthermore, the artificial aging effect induced by thermo-cycling is not clearly established. Two underlying mechanisms can be advance...

2008
P. A. Henning

Thermo Field Dynamics for inhomogeneous systems is generalized to quantum fields with a continuous single-particle mass spectrum. The modification of the hamiltonian in states with a local thermal Bogoliubov symmetry is used to calculate thermal conductivity and diffusion coefficient of pions interacting with hot, compressed nuclear matter.

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