Search Results - "Morais, Alfredo"
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Mechanical Strength of Thermoplastic Polyamide Welded by Nd:YAG Laser
Published in Polymers (22-08-2019)“…Welding is a fundamental process in many industries. It is a fast-changing technology, continuously evolving, with recent developments in laser and robotic…”
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2
The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure
Published in Applied sciences (01-07-2018)“…This paper describes a numerical solution to characterize the deformation of a bellows-type air spring for automotive suspensions. In a first step, the shell…”
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3
Biaxial Testing Machine: Development and Evaluation
Published in Machines (Basel) (01-09-2020)“…Biaxial mechanical testing gained increased importance for characterization of materials that present anisotropic behavior and/or different responses when…”
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4
Development of a Delamination Fatigue Testing Machine for Composite Materials
Published in Machines (Basel) (01-06-2019)“…Experimental studies on fatigue behavior are usually conducted on servo-hydraulic testing machines that are expensive and have high maintenance costs. In this…”
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5
Stress distribution along broken fibres in polymer-matrix composites
Published in Composites science and technology (01-08-2001)“…This paper presents a model for predicting the stress distribution along a broken fibre in a unidirectional composite. It is assumed that the matrix behaves in…”
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6
Open-hole tensile strength of quasi-isotropic laminates
Published in Composites science and technology (01-01-2000)“…In this work, a new approach is suggested for predicting the open-hole tensile strength of quasi-isotropic [0°/±45°/90°] ns laminates. The well known size…”
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7
Evaluation of a trilinear traction-separation law for mode II delamination using the effective crack method
Published in Composites. Part A, Applied science and manufacturing (01-06-2019)“…Mode II delamination testing for measuring the critical strain-energy release rate has reached a high level of maturity with the recent publication of ISO and…”
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8
Determination of the shear traction-separation law of adhesive layers using the end-notched flexure specimen
Published in Engineering fracture mechanics (01-08-2020)“…•A method is proposed to determine the bondline shear traction-separation law.•It only requires common load-displacement data of end-notched flexure tests.•It…”
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9
Analysis of the cohesive zone and crack length correction in the adhesively bonded double cantilever beam specimen
Published in The Journal of adhesion (06-12-2017)“…The double cantilever beam specimen has been increasingly employed to enable the development of cohesive zone models for adhesive joints. Evaluation of the…”
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10
A thick bondline beam model for the adhesively bonded 3-point bending specimen
Published in International journal of adhesion and adhesives (01-01-2020)“…The adhesively bonded 3-point bending specimen has been recently considered for evaluating the adhesive shear stress-strain behaviour. Its main advantage is…”
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11
Analysis of the adhesively bonded three-point bending specimen for evaluation of adhesive shear behaviour
Published in International journal of adhesion and adhesives (01-04-2017)“…The adhesive shear stress-strain behaviour is an essential input for the design of structural adhesive joints. Relative to current standard tests, the main…”
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12
Elastic-plastic analysis of the adhesively bonded end-notched flexure specimen
Published in Engineering fracture mechanics (01-02-2018)“…•A beam model was developed for metal adhesively bonded ENF specimens.•Expressions were obtained for the effective crack length data reduction scheme.•A…”
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13
Analysis of the metal adhesively bonded double cantilever beam specimen
Published in International journal of adhesion and adhesives (01-09-2015)“…The double cantilever beam specimen is currently standardized for measuring the mode I fracture energy of adhesive joints. In addition, it has been…”
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14
Bilinear approximations to the mixed-mode I–II delamination cohesive law using an inverse method
Published in Composite structures (01-04-2015)“…This paper presents an experimental and numerical study of the mixed-mode I–II delamination of unidirectional carbon/epoxy laminates. Double cantilever beam,…”
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15
Beam analysis of the double cantilever beam specimen with fibre bridging
Published in Journal of composite materials (01-06-2015)“…The fibre bridging phenomenon commonly seen in double cantilever beam tests is considered an artifact of the standard unidirectional specimen. Therefore, it…”
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16
Mode II fatigue delamination of carbon/epoxy laminates using the end-notched flexure test
Published in Composite structures (15-12-2015)“…The fatigue delamination behaviour of carbon/epoxy laminates was investigated through end-notched flexure tests carried out under displacement control. Fatigue…”
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17
A Sociedade Civil é burguesa?
Published in Revista Dialectus (Online) (06-10-2016)“…Hegel buscou em seus Princípios da Filosofia do Direito uma resolução para a antinomia moderna entre Estado e sociedade civil esboçada numa Filosofia da…”
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18
Forward to special issue
Published in Engineering fracture mechanics (01-06-2008)Get full text
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19
Transverse moduli of continuous-fibre-reinforced polymers
Published in Composites science and technology (01-05-2000)“…This paper presents a closed-form micromechanical equation for predicting the transverse modulus, E 2, of continuous-fibre-reinforced polymers. The equation…”
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20
Depoimento indirecto
Published 01-01-2014“…O depoimento indirecto está sistematicamente inserido nos meios de prova, pois o artº 129 do CPP, que a ele se refere expressamente, surge no ambito da prova…”
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Dissertation