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Cylinder test: Development of a new microbond method.

Tipo de material: TextoTextoSeries ; Polymer Testing, 31(1), p.164-170, 2012Trabajos contenidos:
  • Morlin, B
  • Czigany, T
Tema(s): Recursos en línea: Resumen: The microbond test has been investigated with respect to test accuracy and repeatability. It has been concluded that the interfacial shear strength deduced from this method is uncertain due to the droplet shape, which can, however, be reduced by modifying the geometry. In the new method it was proposed that the droplet is replaced by a cylinder. Comparative tests proved that the accuracy improved due to the modifications. The effects of test speed and geometrical parameters (height/diameter of the cylinder)on the interfacial shear strength were investigated. It was found that the test results are sensitive to these parameters and the related changes are discussed. It is recommended to perform the cylinder test in the pull-out range of 10-100 mm/min where the interfacial shear strength does not change with testing speed.
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The microbond test has been investigated with respect to test accuracy and repeatability. It has been concluded that the interfacial shear strength deduced from this method is uncertain due to the droplet shape, which can, however, be reduced by modifying the geometry. In the new method it was proposed that the droplet is replaced by a cylinder. Comparative tests proved that the accuracy improved due to the modifications. The effects of test speed and geometrical parameters (height/diameter of the cylinder)on the interfacial shear strength were investigated. It was found that the test results are sensitive to these parameters and the related changes are discussed. It is recommended to perform the cylinder test in the pull-out range of 10-100 mm/min where the interfacial shear strength does not change with testing speed.

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