Search Results - "Rasgado, M.T."
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Semi-solid manufacturing process of magnesium alloys by twin-roll casting
Published in Journal of materials processing technology (30-11-2004)“…An experimental approach has been employed to ascertain the effectiveness of semi-solid roll strip casting of magnesium alloys by a twin-roll caster. The…”
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2
Analytical solutions for vibrating fractal composite rods and beams
Published in Applied mathematical modelling (01-03-2011)“…Fractals have the potential to describe complex microstructures but presently no solution methodologies exist for the prediction of deformation on transiently…”
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3
Numerical study of the hydrodynamic drag force in atomic force microscopy measurements undertaken in fluids
Published in Micron (Oxford, England : 1993) (01-11-2014)“…•We present a numerical model capable to quantify drag forces in AFM measurements.•Drag force was measured experimentally in three fluids on three different…”
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4
Thermal models for copper-alloyed dies in pressure die casting
Published in Applied mathematical modelling (2009)“…A recent innovation in pressure die casting is the use of copper-alloyed dies suitably protected with a thermally sprayed steel layer. The thermal response of…”
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5
A solution methodology for contacting domains in pressure die casting
Published in Applied mathematical modelling (01-08-2007)“…Multi-domain elastostatic problems can often be efficiently solved using coupled single domain iterative techniques. A particular difficulty however is the…”
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6
Vibration and casting surface finish
Published in Journal of materials processing technology (10-11-2004)“…The authors have recently established that die vibration can be used to polish surfaces as they form during solidification [J. Man. Sci. Eng. 124 (2002)…”
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7
Bi-metallic dies for rapid die casting
Published in Journal of materials processing technology (01-06-2006)“…Almost all casting processes involve placing the melt in a mould of lower thermal conductivity. As a result, high rates of energy extraction are effectively…”
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Integration over simplexes for accurate domain and boundary integral evaluation in boundary element methods
Published in Computers & structures (2004)“…The accuracy of boundary element methods is heavily dependent on the accurate determination of singular domain and boundary integrals on element domains. Many…”
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9
Boundary element stress analysis for bi-metallic dies in pressure diecasting
Published in Journal of materials processing technology (01-06-2006)“…The rate of heat extraction during the pressure die-casting process is central to both the quality and the cost of the finished castings. Energy-extraction…”
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10
Boundary element stress analysis for copper-based dies in pressure die casting
Published in Computers & structures (2006)“…It has recently been demonstrated that, for pressure die casting, high rates of heat extraction are possible with the use copper–alloyed dies suitably…”
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11
The effect of vibration on surface finish for semisolid and cast components
Published in Journal of materials processing technology (09-09-2002)“…One of the failings of die casting and semisolid forming processes is that variable surface quality is a common result. This can reduce the competitiveness of…”
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12
A coarse preconditioner for multi-domain boundary element equations
Published in Computers & structures (01-03-2002)“…This paper is concerned with the application of a coarse preconditioner, the generalised minimal residual (GMRES) method and a generalised successive…”
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13
Semi-analytical integration of sub-parametric elements used in the BEM for three-dimensional elastodynamics
Published in Computers & structures (01-06-1999)“…The steady-state elastodynamic boundary element method is an efficient method that can be used in the modelling of vibration systems. The ability to locate…”
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