Loading rate effect on interlaminar fracture toughness of a thermoplastic compositeA study was undertaken to investigate the loading rate effect on delamination fracture initiation toughness of a thermoplastic composite. For this purpose, double cantilever beam specimens of graphite/PEEK were tested in a displacement controlled mode using an Instron tensile test machine. Specimens were loaded at various crosshead speeds ranging from 0.05 cm/min to 100 cm/min. The interlaminar fracture toughness was found to decrease with increasing loading rate, and this decrease was more than one hundred percent over the five decades of loading rate employed.
Document ID
19860063954
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Mall, S. (Missouri-Rolla, University Rolla, United States)
Law, G. E. (General Dynamics Corp. Advanced Structures and Design Dept., Fort Worth, TX, United States)
Katouzian, M. (Missouri Univ. Rolla, MO, United States)