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pro vyhledávání: '"André Knopp"'
Publikováno v:
Composite Structures. 285:115188
Autor:
André Knopp, Gerhard Scharr
Publikováno v:
Journal of Composites Science, Vol 4, Iss 78, p 78 (2020)
This paper describes experimental investigations on the in-plane tensile properties of unidirectional carbon-fibre/epoxy laminates reinforced with circumferentially notched z-pins with different notch designs. From the results it can be concluded tha
Autor:
André Knopp, Gerhard Scharr
Publikováno v:
Journal of Composite Materials. 51:1155-1166
The mechanical properties of composite materials are primarily dependent on the load transmission between their components. Especially, the fracture performance of a fibre-reinforced polymer made of a preimpregnated fibres (prepreg) with a three-dime
Autor:
André Knopp, Gerhard Scharr
Publikováno v:
Composites Science and Technology. 201:108486
This paper represents results of the investigations on in-plane compression properties of unidirectional carbon-fibre/epoxy laminates with a three-dimensional z-pin reinforcement with circumferentially notched z-pins. Different notch designs - rectan
Autor:
André Knopp, Gerhard Scharr
Publikováno v:
Composite Structures. 250:112527
This paper presents the results of experimental investigations on the pullout properties of circumferentially notched z-pins in carbon-fiber/epoxy prepreg laminates with unidirectional (UD) and quasi-isotropic (QI) fiber orientation. Four different n
Publikováno v:
Journal of Materials Science. 49:8343-8354
Unidirectional carbon-fibre reinforced composite laminates with and without z-pins were immersed in artificial seawater and exposed to two different temperature levels (−1.75 and 50 °C), as well as thaw–freeze cycles (+20/−20 °C). The investi
Autor:
André Knopp, Gerhard Scharr
Publikováno v:
Journal of Materials Science. 49:1674-1683
The effect of z-pin surface treatment on the delamination fracture properties of z-pinned unidirectional carbon fibre/epoxy prepreg laminate is presented in this paper. Cryogenic and plasma treatments were used to increase the pin/composite interface