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Structural, mechanical and dielectric properties of Ba0.6Sr0.4TiO3—The benefits...

Kaushal, A.; Olhero, S. M.; Antunes, P.; Ramalho, A.; Ferreira, J. M. F.

This paper reports on the benefits gathered from a proper colloidal dispersion/deagglomeration of a Ba0.6Sr0.4TiO3 (BST) powder in water followed by spraying the aqueous suspension against liquid nitrogen to obtain homogeneous granules. The density of green compacts derived from the freeze granulated (FG) powder was compared with that of compacts prepared from the same starting BST powder but non-granulated (NG...



Reply to ‘Comment on “On the Clausius equality and inequality’

Anacleto, Joaquim; Pereira, Mário G; FERREIRA, J. M.

Data: 2013   |   Origem: Repositório da UTAD


Fatigue behaviour of AA6082-T6 MIG welded butt joints improved by friction stir...

Silva, J. da; Costa, J. M.; Loureiro, A.; Ferreira, J. M.

Friction Stir Processing (FSP) was based on the principles of Friction Stir Welding (FSW), a solid-state joining process originally developed for aluminium alloys. It is an emerging metalworking technique which can provide localized modification and control of microstructures in near-surface layers of processed metallic components. In this research, FSP appears as an alternative to traditional methods for fatig...



Intrinsic symmetry of Ampère’s circuital law and other educational issues

Anacleto, Joaquim; de Almeida, J. M. M. M.; Ferreira, J.M.

Data: 2012   |   Origem: Repositório da UTAD

Dissipative work in thermodynamics

Anacleto, Joaquim; Pereira, Mário G; Ferreira, J M

Data: 2011   |   Origem: Repositório da UTAD

Symmetry of the adiabatic condition in the piston problem

Anacleto, Joaquim; Ferreira, J M

Data: 2011   |   Origem: Repositório da UTAD

The two-piston problem revisited: Generalization from reversible to irreversibl...

Anacleto, Joaquim; Anacleto, Joaquim Alberto C.; Ferreira, J. M.

Data: 2011   |   Origem: Repositório da UTAD

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Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia