An investigation of damage initiation in woven graphite fiber/polymide composites subjected to shear

Key Engineering Materials

Volumn 251-252, Issue , 2003, Pages 447-456

  Kumosa, Maciej S ^a  

^a University of Denver   (United States)

Author keywords

Aging; Biaxial testing; Damage; FEM modelling; Graphite polyimides

Indexed keywords

AGING OF MATERIALS; CRACK INITIATION; FAILURE ANALYSIS; FINITE ELEMENT METHOD; GRAPHITE FIBERS; HIGH TEMPERATURE PROPERTIES; POLYIMIDES; SHEAR STRENGTH; STRESS CONCENTRATION; THERMAL STRESS; VISCOELASTICITY; X RAY DIFFRACTION ANALYSIS;

BIAXIAL TESTING; HIGH TEMPERATURE FAILURE ANALYSES; INTERLAMINAR DAMAGE INITIATION; RESIDUAL STRAINS; RESIDUAL STRESS DETERMINATION; WOVEN EIGHT HARNESS SATIN;

NONMETALLIC MATRIX COMPOSITES;

EID: 0345357751     PISSN: 10139826     EISSN: 16629795     Source Type: Book Series    
DOI: None     Document Type: Conference Paper

References (15)

1. K. Searles, G. Odegard, M. Kumosa and M. Castelli, Failure Investigation of Graphite/Polyimide Fabric Composites at Room and Elevated Temperatures using the Biaxial Iosipescu Test, J. Composite Materials, Vol. 33, No. 22, pp. 2038-2079, 1999.
2. G. Odegard, K. Searles and M. Kumosa, Nonlinear Analysis of Woven Fabric-Reinforced Graphite/PMR-15 Composites under Shear-Dominated Biaxial Loads. Mechanics of Composite Materials and Structures, Vol. 7 (2000) pp. 129-152.
3. G. Odegard, D. Armentrout, K. Searles, L. Kumosa, J. K. Sutter and M. Kumosa, Failure Analysis of ±45° Off-Axis Woven Fabric Composite Specimens, Journal of Composites Technology & Research, Vol. 23, No. 3, (2001) pp. 205-224.
4. M. Kumosa, G. Odegard, D. Armentrout, L. Kumosa, K. Searles and J. K. Sutter, Comparison of the ±45° Off-Axis and Iosipescu Shear Tests for Woven Fabric Composite Materials, J. Composites Technology & Research, Vol. 24, No. 1 (2002) pp.3-16.
5. M. Gentz, D. Armentrout, P. Rupnowski, L. Kumosa, J. K. Sutter and M. Kumosa, Mechanical Behavior of a Woven Graphite/PMR-15 Composite at Room and Elevated Temperatures Determined from the ±45° Tensile and Iosipescu Shear Tests, Composite Technology & Research, Vol. 25 (2003) 22-34.
6. M. Gentz, D. Armentrout, P. Rupnowski, L. Kumosa, E. Shin, J.K. Sutter and M. Kumosa, In-Phase Shear Testing of Medium and High Modulus Woven Graphite Fiber Reinforced/Polyimide Composites, Composites Science and Technology, in press, 2003.
7. B. Benedikt, M. Kumosa, P.K. Predecki, L. Kumosa, M.G. Castelli and J.K. Sutter, An Analysis of Residual Thermal Stresses in a Unidirectional Graphite/PMR-15 Composite Based on the X-ray Diffraction Measurements, Composites Science and Technology, Vol. 61, No. 14 (2001) pp. 1977-1994.
8. B. Benedikt, P. Predecki, L. Kumosa, D. Armentrout, J. K. Sutter and M. Kumosa, The Use of X-Ray Diffraction Measurements to Determine the Effect of Bending Loads on Internal Stresses in Aluminum Inclusions Embedded in a Unidirectional Carbon-Fiber/PMR-15 Composite, Composites Science and Technology, Vol. 61, No. 14 (2001) pp. 1995-2006.
9. B. Benedikt, P. Rupnowski, L. Kumosa, J. K. Sutter, P. K. Predecki and M. Kumosa, Determination of Interlaminar Residual Thermal Stresses in a Woven 8HS Graphite/PMR-15 Composite Using X-Ray Diffraction Measurements, Mechanics of Advanced Materials and Structures, Vol. 9 (2002) pp. 1-20
10. B. Benedikt, P. Rupnowski and M. Kumosa, Visco-Elastic Stress Distributions and Elastic Properties in Unidirectional Graphite/Polyimide Composites with Large Volume Fractions of Fibers, Acta Materialia, (2003) in press.
11. P. Rupnowski and M. Kumosa, Meso- and Micro-Stress Analyses in an 8HS Graphite/Polyimide Woven Composite Subjected to Biaxial In-Plane Loads at Room Temperature, Composites Science and Technology, Vol. 63, No. 6 (2003) pp. 785-799.
12. K. Searles, G. Odegard and M. Kumosa, The Effect of Eccentric Loads on the Macroscopic Strain and Stress Distributions in Woven Fabric Composite Iosipescu Specimens, Journal of Composite Materials, Vol. 36, No. 5 (2002) pp. 571-588.
13. K. Searles, G. Odegard and M. Kumosa, Micro- and Mesomechanics of 8-Harness Satin Woven Fabric Composites, Composites: Part A, Vol. 32 (2001) PP. 1627-1655.
14. G. Odegard, K. Searles and M. Kumosa, A Continuum Elastic-Plastic Model for Woven Fabric/Polymer Matrix Composite Materials under Biaxial Stresses, Composites Science and Technology, Vol. 61 (2001) pp. 2501-2510.
15. B. Benedikt, M. Gentz, L. Kumosa, P. Rupnowski, P.K. Predecki, J.K. Sutter and M. Kumosa, X-Ray Diffraction Experiments on Aged Graphite Fiber/Polyimide Composites with Embedded Aluminum Inclusions, Composites: Part A, submitted, 2003.