Search Results - "Morais, Alfredo"

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  1. 1

    Mechanical Strength of Thermoplastic Polyamide Welded by Nd:YAG Laser by Pereira, António B, Fernandes, Fábio A O, Morais, Alfredo B de, Quintão, João

    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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    Journal Article
  2. 2

    The Simulation of an Automotive Air Spring Suspension Using a Pseudo-Dynamic Procedure by de Melo, Francisco, Pereira, António, Morais, Alfredo

    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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    Journal Article
  3. 3

    Biaxial Testing Machine: Development and Evaluation by Pereira, António B., Fernandes, Fábio A.O., de Morais, Alfredo B., Maio, João

    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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    Journal Article
  4. 4

    Development of a Delamination Fatigue Testing Machine for Composite Materials by Pereira, António B, Fábio AO Fernandes, de Morais, Alfredo B, Carvalhoso, Pedro

    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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    Journal Article
  5. 5

    Stress distribution along broken fibres in polymer-matrix composites by BALACO DE MORAIS, Alfredo

    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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    Journal Article
  6. 6

    Open-hole tensile strength of quasi-isotropic laminates by de Morais, Alfredo Balacó

    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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    Journal Article
  7. 7

    Evaluation of a trilinear traction-separation law for mode II delamination using the effective crack method by de Morais, A.B.

    “…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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    Journal Article
  8. 8

    Determination of the shear traction-separation law of adhesive layers using the end-notched flexure specimen by de Morais, A.B.

    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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    Journal Article
  9. 9

    Analysis of the cohesive zone and crack length correction in the adhesively bonded double cantilever beam specimen by de Morais, A. B.

    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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    Journal Article
  10. 10

    A thick bondline beam model for the adhesively bonded 3-point bending specimen by de Morais, A.B.

    “…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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    Journal Article
  11. 11

    Analysis of the adhesively bonded three-point bending specimen for evaluation of adhesive shear behaviour by de Morais, A.B.

    “…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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    Journal Article
  12. 12

    Elastic-plastic analysis of the adhesively bonded end-notched flexure specimen by de Morais, A.B.

    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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    Journal Article
  13. 13

    Analysis of the metal adhesively bonded double cantilever beam specimen by de Morais, A.B.

    “…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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    Journal Article
  14. 14

    Bilinear approximations to the mixed-mode I–II delamination cohesive law using an inverse method by de Morais, A.B., Pereira, A.B., de Moura, M.F.S.F., Silva, F.G.A., Dourado, N.

    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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    Journal Article
  15. 15

    Beam analysis of the double cantilever beam specimen with fibre bridging by Morais, AB de

    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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    Journal Article
  16. 16

    Mode II fatigue delamination of carbon/epoxy laminates using the end-notched flexure test by Sousa, J.A., Pereira, A.B., Martins, A.P., de Morais, A.B.

    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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    Journal Article
  17. 17

    A Sociedade Civil é burguesa? by Morais, Alfredo De Oliveira

    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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    Journal Article
  18. 18
  19. 19

    Transverse moduli of continuous-fibre-reinforced polymers by Morais, Alfredo Balacó de

    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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    Journal Article
  20. 20

    Depoimento indirecto by Morais, Alfredo Jorge Miranda

    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