Development of a Three-dimensional Finite Element Model for a Unidirectional Carbon Fiber Reinforced Plastic Based on X-ray Computed Tomography Images and the Numerical Simulation on Compression

Keisuke IIZUKA, Masahito UEDA, Takuya TAKAHASHI, Akinori YOSHIMURA, Masahiro NAKAYAMA
2017 Journal of the Japan Society for Composite Materials  
De v e l o p me n to faTh r e e -d i me n s i o n a l F i n i t eE l e me n tMo d e l f o raUn i d i r e c t i o n a l C a r b o nF i b e rRe i n f o r c e dP l a s t i cBa s e d o nX-r a yC o mp u t e dTo mo g r a p h yI ma g e s a n dt h eNu me r i c a l S i mu l a t i o no nC o mp r e s s i o n Ke i s u k eI I Z UKA, � �Ma s a h i t oUEDA, � �Ta k u y aTAKAHASHI , � � Ak i n o r i YOSHI MURA� �a n dMa s a h i r oNAKAYAMA� � ( Re c e i v e dJ u n e2 7 , 2 0 1 7 ) Ab s t r a c t :A u n i d i r
more » ... c t :A u n i d i r e c t i o n a lc a r b o n f i b e rr e i n f o r c e d p l a s t i c (C F RP )wa ss c a n n e d b y a n X-r a y c o mp u t e dt o mo g r a p h y (C T)s y s t e m. Ba s e do nt h eX-r a yC T i ma g e s , at h r e e -d i me n s i o n a lmo d e l wi t hr a n d o m f i b e rwa v i n e s swa sd e v e l o p e d . E a c hf i b e rl o c a t i o nwa si d e n t i f i e di nas e c t i o n a lC T i ma g e . S u b s e q u e n t l y , t h er e l a t i v ed i s p l a c e me n t o f f i b e r sb e t we e na d j a c e n t s e c t i o n a l C Ti ma g e swa s o b t a i n e dwi t had i g i t a li ma g ec o r r e l a t i o nme t h o d .Th i sp r o c e d u r ewa sr e p e a t e dt oo b t a i nf i b e r wa v i n e s sa l o n gt h ea x i a l d i r e c t i o n . Th ec o n s t r u c t e dt h r e e -d i me n s i o n a l f i b e rmo d e l s h o we dr a n d o m wa v i n e s so f e a c hf i b e ri nt h eu n i d i r e c t i o n a l C F RP . F i n i t ee l e me n t a n a l y s i swa sp e r f o r me du s i n gt h e t h r e e -d i me n s i o n a lmo d e l .S i mu l a t i o nr e s u l t ss h o we db e n d i n ga n dt wi s t i n gd e f o r ma t i o n sc o u p l e d wi t ha x i a l c o n t r a c t i o n sd u r i n ga x i a l c o mp r e s s i o n , wh i c hd e v e l o p e dd u et of i b e rwa v i n e s s . A r e d u ct i o no ft h ea x i a l Yo u n g ' smo d u l u sd u et of i b e rr a n d o m wa v i n e s swa sq u a n t i t a t i v e l ye v a l u a t e d . Ke ywo r d s :P o l y me rma t r i xc o mp o s i t e s , F i b e rwa v i n e s s , Mi s a l i g n me n t , X-r a yc o mp u t e dt o mo g r ap h y , C o mp r e s s i o n
doi:10.6089/jscm.43.219 fatcat:h3ty5ojbovfrpcr7jbombixdje