SYMPOSIA PAPER Published: 01 January 1997
STP11811S

Effect of High Strain Rate on the Tensile Behavior of Nicalon™/Cas Continuous-Fiber Ceramic Composites.

Source

The tensile properties of CAS/SiC [(0/90)3]s ceramic matrix composites have been measured as a function of strain rate up to 100 s-1. Novel test methods, including the use of piezoelectric transducers as load cells, strain gauges, and high sampling rate data acquisition systems, were set up to ensure accurate measurement of load and strain. Dynamic effects were taken into account when analyzing the stress-strain raw data. It has been observed that the average fracture strength and the average strain energy density are higher with increasing strain rate. This trend is related to the mode of fracture and the damage observed in the composite at different strain rates.

Author Information

Sánchez, JM
Centro de Estudios e Investigaciones Técnicas de Guipúzcoa (C.E.I.T.), San Sebastián, Spain
Puente, I
Escuela Superior de Ingenieros Industriales, Universidad de Navarra, San Sebastián, Spain
Elizalde, R
Centro de Estudios e Investigaciones Técnicas de Guipúzcoa (C.E.I.T.), San Sebastián, Spain
Martín, A
Escuela Superior de Ingenieros Industriales, Universidad de Navarra, San Sebastián, Spain
Martínez, JM
Centro de Estudios e Investigaciones Técnicas de Guipúzcoa (C.E.I.T.), San Sebastián, Spain
Daniel, AM
Centro de Estudios e Investigaciones Técnicas de Guipúzcoa (C.E.I.T.), San Sebastián, Spain
Fuentes, M
Centro de Estudios e Investigaciones Técnicas de Guipúzcoa (C.E.I.T.), San Sebastián, Spain
Beesley, CP
Rolls Royce plc, Composites and Ceramics Group, Derby, UK
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Details
Developed by Committee: C28
Pages: 16–30
DOI: 10.1520/STP11811S
ISBN-EB: 978-0-8031-5365-3
ISBN-13: 978-0-8031-2033-4