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HAL Id: hal-00598349

https://hal.archives-ouvertes.fr/hal-00598349

Submitted on 6 Jun 2011

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Rupture en fatigue de structures composites stratifiés

Christian Hochard, Stéphanie Miot, Noël Lahellec

To cite this version:

Christian Hochard, Stéphanie Miot, Noël Lahellec. Rupture en fatigue de structures composites stratifiés. 17èmes Journées Nationales sur les Composites (JNC17), Jun 2011, Poitiers-Futuroscope, France. pp.202. �hal-00598349�

(2)

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310 mm

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Ø30 mm

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310 mm

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-0,6 -0,4 -0,2 0 0,2 0,4 0,6

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after 1100 cycles

after 1600 cycles

Strain (mm/mm)

Stress (MPa)

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after 1100 cycles

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Load (kN)

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d=0.75

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) "

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/! "#

d = 13 mm

l = 200 mm w = 45 mm

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C 0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 max/ failure

Number of cycles

Exp Model

0! " 1 " " 2 " " *34+

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 max/ failure

Number of cycles

Exp Model

5! " 1 " " 2 " " *6 5,2 5+

0$

/ & 7" " " " - ) & ) # & # 7

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) " ) & #( 8" " # & 7 " # "

( 6 " & ) ) # & #

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; < 8" && O( L " ( # & # & ) 7 - ) & ) ) & $

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$4 9 $ C$ ! 4 5 =H D=(

;%< L " $ ($ " && $ ($ K &$ (( &3 & & & ) ) 9 7 - &3 &

( " " NH ! ! D(

;=< :($ L " ( " && & & ) && # & 7 - &3 & 7 "

$ " ($ $ C 4 5 = % =H

;D< -,> $ ($ / $ 0( / # & # ) " & 3 &3 ) & (

% # CC N%! = D (

; < P " 3 ($ ($ : # & $ 9 " "

C DN!= !! !=(

;H< L " "($ :($ " && ( &($ K " - ) 7 - &3 &

& # $ CN% 4H5 !($ " " $ J &( C $ 6 $ $ #

= % =H

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