An analytic model, based on two-dimensional laminated plate theory, is developed to investigate the influence of ply waviness on the stiffness and strength reduc tion of [90/0/90] laminate constructions. The model predicts:
References
1.
Adams, D.O. and M.W. Hyer1992 "Effects of Layer Waviness on Compression-Loaded Thermoplastic Composite Laminates," technical report, CCMS-92-06/VPI-E-92-06Center for Composite Materials and Structures, Virginia Polytechnic Institute,Blacksburg, Virginia
2.
Davis, J.G. , Jr1975"Compressive Strength of Fiber-Reinforced Composite Materials,"Composite Reliability, ASTM STP 580 Philadelphia, PA American Society for Testing and Materials, pp 364-377
3.
Rosen, B.W.1965 "Mechanics of Composite Strengthening," Chapter 3 in Fiber Composite Materials MetalsPark, OHAmerican Society for Metals
4.
Hyer, M.W.1986 "Micromechanics of Compression in Unidirectional Composites," Technical Report 86-9Mechanical Engineering Department, University of Maryland, College Park, MD
5.
Highsmith, A.L. , J.J. Davis and K.L. E Helms1992 "The Influence of Fiber Waviness on the Compressive Behavior of Unidirectional Continuous Fiber Composites,"Composites Materials Testing and Design (Tenth Volume), ASTM STP 1120, Glenn C Grimes, ed , Philadelphia, PAAmerican Society for Testing and Materials , pp 20-36
6.
Argon, A.S.1972 "Fracture of Composites," Treatise on Materials Science and Technology, 1.106-114
7.
Budiansky, B.1983 "Micromechanics," Computers and Structures, 16(1-4) 3-12
8.
Steif, P.S.1990 "A Model for Kinking in Fiber Composites-I Fiber Breakage via MicroBuckling,"International Journal of Solids and Structures, 26(5-6) 549-561
9.
Steit, P.S.1990"A Model for Kinking in Fiber Composites-II Kink-Band Formation " International Journal of Solids and Structures , 26(5-6) 563-569
10.
Martinez, G.M. , M.R. Piggott, D M R Bainbridge and B. Harris1981 " The Compression Strength of Composites with Kinked, Misaligned and Poorly Adhering Fibers," Journal of Materials Science, 162831-2836
11.
Guynn, E.G. , O.O. Ozden and W.L. Bradley1992"A Parametric Study of Variables That Affect Fiber Microbuckling Initiation in Composite Laminates Part I-Analysis" Journal of Composite Materials, 26(11) 1594-1617
12.
Guynn, E.G. , W.L. Bradley and O.O. Ozden1992 " A Parametric Study of Variables That Affect Fiber Microbuckling Initiation in Composite Laminates Part 2-Experiments,"Journal of Composite Materials, 26(11).1617-1643
13.
Waas, A.M. , C.D. Badcock, Jr and W.G. Knauss1990 "A Mechanical Model for Elastic Fiber Microbuckling," Journal of Applied Mechanics , 57138-149
14.
Jotner, J.1984"A Model for Predicting Thermal and Elastic Constants of Wrinkled Regions in Composite Materials,"Effects of Defects in Composite Materials, ASTM STP 836 American Society for Testing and Materials, pp 217-236
15.
Shuart, M.J.1985 "Short-Wavelength Buckling and Shear Failures for Compression-Loaded Composite Laminates," technical report, NASA-TM-87640National Aeronautics and Space Administration , Washington, DC
Peel, L.D.1990. "Compression Failure of Angle-Ply Laminates," M S thesisDepartment of Engineering Science and Mechanics, Virginia Polytechnic Institute and State University, Blacksburg, VA
18.
Hyer, M.W. , L.C. Maas and H.P. Fuchs1988 "The Influence of Layer Waviness on the Stress State in Hydrostatically Loaded Cylinders," Journal of Reinforced Plastics and Composites, 7(11):601-613.
19.
Telegadas, H.K. and M.W. Hyer.1990. "The Influence of Layer Waviness on the Stress State in Hydrostatically Loaded Cylinders: Further Results" Journal of Reinforced Plastics and Composites , 9(5):503-518.
20.
Garala, H.J.1989. "Structural Evaluation of 8-Inch Diameter Graphite-Epoxy Composite Cylinders Subjected to External Hydrostatic Compressive Loading," technical report, DTRC-89/016David Taylor Research Center , Bethesda, MD.
21.
Ishikawa, T. and T.W. Chou1982. "Elastic Behavior of Woven Hybrid Composites" Journal of Composite Materials , 6.2-19.
22.
Ishikawa, T. and T.W. Chou1983. "Thermo-Elastic Analysis of Hybrid Fabric Composites," Journal of Material Science , 18:2260-2268
23.
Ishikawa, T. and T.W. Chou.1983 "In-Plane Thermal Expansion and Thermal Bending Coefficients of Fabric Composites" Journal of Composite Materials, 17:92-104.
24.
Ishikawa, T. and T.W. Chou1983. "Nonlinear Behavior of Woven Fabric Composites," Journal of Composite Materials , 17:399-413.
25.
Yang, J.M. and T.W. Chou."Thermo-Elastic Analysis of Triaxial Woven Fabric Composites," Chapter 8 in Composite Material Series, Volume 3, Textile Structural Composites, pp 265-277
26.
Whitney, J.M. , I.M. Daniel and R.B. Pipes1982. Experimental Mechanics of Fiber Reinforced Composite MaterialsPrentice-Hall
27.
Whitney, J.M.1987. Structural Analysis of Laminated Anisotropic PlatesLancaster, PA: Technomic Publishing, Co , Inc.