Delamination of a High-temperature Sandwich Plate
Delamination of a High-temperature Sandwich Plate
- Experimental Mechanics, 42, p.206-213, 2002 .
This paper describes the development of a method for determining the fracture toughness of the core/ faceplate bond in high-temperature sandwich plates. The tensile deformation behavior of a sandwich element was also determined. The results from the latter experiment were used in a beam on elastic foundation analysis of the fracture specimen. The faceplate/core toughness was determined at 23 and 180~ The room temperature toughness was slightly higher and, in both cases, the toughness decreased with crack length. The higher toughness was associated with a greater degree of interlaminar failure in the faceplates, as opposed to core-pullout.
DELAMINATION
SANDWICH PLATES
HIGHTEMPERATURE
FRACTURE TOUGHNESS
This paper describes the development of a method for determining the fracture toughness of the core/ faceplate bond in high-temperature sandwich plates. The tensile deformation behavior of a sandwich element was also determined. The results from the latter experiment were used in a beam on elastic foundation analysis of the fracture specimen. The faceplate/core toughness was determined at 23 and 180~ The room temperature toughness was slightly higher and, in both cases, the toughness decreased with crack length. The higher toughness was associated with a greater degree of interlaminar failure in the faceplates, as opposed to core-pullout.
DELAMINATION
SANDWICH PLATES
HIGHTEMPERATURE
FRACTURE TOUGHNESS