Modified V-notched rail shear test fixture for shear characterisation of textile-reinforced composite materials

Autor: A. Mertel, Manuela Andrich, Maik Gude, R. Schirner, Werner Hufenbach
Rok vydání: 2015
Předmět:
Zdroj: Polymer Testing. 43:147-153
ISSN: 0142-9418
Popis: The V-notched rail shear test (VNRS) is recognised as a standard test method for the determination of shear modulus and shear strength of fibre-reinforced composite materials. This method is based on a double V-notched specimen with a large gauge section and an approximately uniform shear stress distribution between the two notches. The construction of the test device prescribed in standards was revised with the main focus of lines of force as well as precise and economic specimen clamping. Therefore, the modified test fixture has been equipped with guide units and the number of clamping bolts could be reduced. The standardised and modified VNRS fixtures were evaluated using a finite element method. It can be shown that the modified VNRS test fixture is well suited for robust and reliable material characterisation of shear property data.
Databáze: OpenAIRE