tailieunhanh - Engineered Interfaces in Fiber Reinforced Composites Part 7

Tham khảo tài liệu 'engineered interfaces in fiber reinforced composites part 7', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 164 Engineered interfaces in fiber reinforced composites growth for fiber pull-out than for fiber push-out. Also the final crack length at steady state is significantly shorter for fiber pull-out than fiber push-out. In the same context the increase in the relative displacements is more difficult for fiber pull-out than for fiber push-out under an identical stress amplitude. These results are more clearly demonstrated by the critical value 1C which is smaller for fiber pull-out than for fiber push-out. All these results of the parametric study based on the power law function imply that the degradation of interface frictional properties is more severe in fiber push-out than in fiber pull-out under cyclic loading of given values of XO X N and ÁƠ. References Aboudi J. 1983 . The effective moduli of short fiber composites. Int. J. Solids Struct. 19 693-707. Ananth . and Chandra N. 1995 . Numerical modelling of fiber push-out test in metallic and intermetallic matrix composites mechanics of failure process. J. Composite Mater. 29 1488-1514. Atkinson c. Avila J. Betz E. and Smelser . 1982 . The rod pull-out problem theory and experiment. J. Meeh. Phys. Solids 30 97-120. Banbaji J. 1988 . On a more generalised theory of the pull-out test from an elastic matrix. Part 1-theoretical considerations. Composites Sci. Technol. 32 183-193. Berthelot . Cupcic A. and Maufras . 1978 . Experimental flexural strength-deflection curves of oriented discontinuous fiber composites. Fiber Sci. Technol. 11 367-398. Berthelot . Cupcic A. and Brou . 1993 . Stress distribution and effective longitudinal Young s modulus of unidirectional discontinuous fiber composites. J. Composite Mater. 27 1391-1425. Betz E. 1982 . Experimental studies of the fiber pull-out problem. J. Mater. Sei. 17 691-700. Bright . Danchaivijit s. and Shetty . 1991 . Interfacial sliding friction in silicon carbide-borosilicate glass composites a comparison of pullout and pushout tests. J. Am. Ceram.