Using Low Concentrations of Nano-Carbons to Induce Polymer Self-Reinforcement of Composites for High-Performance Applica
- PDF / 417,885 Bytes
- 8 Pages / 432 x 648 pts Page_size
- 57 Downloads / 140 Views
8VLQJ/RZ&RQFHQWUDWLRQVRI1DQR&DUERQVWR,QGXFH3RO\PHU6HOI5HLQIRUFHPHQWRI &RPSRVLWHVIRU+LJK3HUIRUPDQFH$SSOLFDWLRQV .HQDQ6RQJ@DQGGFU\VWDOOLQLWW\GHJUHH X Xc (T ZHHUH REWDLQHGDQGOLVWHGLQ Q7DEOH,WZDVREVHUYHHGWKDWfcVKRRZHGKLJKHU YDOXHVLQFRRPSRVLWHVDIIWHU GUDZLQJSURFHVV$IWWHUDQQHDOLQJ J)$DQG)$ $7VDPSOHVVKRZHGGLIIIHUHQWWUHQGV)$VDPSOHHV VKRZHGVVLPLODUfcYDOOXHVZKLOH) )$7GLVSOD\HHGDORZHUffc YDOXHLQFRPSRVLWHV $QQHHDOLQJSURFHG GXUHVZHUHP PRVWHIIHFWLY YHIRULPSURYYLQJSRO\PHHUFU\VWDOOLQLW\GHJUHH,QQ)$ VDPSOHVLQFUHDVHVRIIWR ZHUHREVHHUYHGLQZWDQGZWVDP PSOHV,Q JQLILFDQWLQFUUHDVHLQXcIR IRUWKH)$7IILEHUVDV DGGLWLRQLWZDVREVHUUYHGWKDWWKHHUHZDVDVLJ FRPSDUHG GWRWKH)'VVDPSOHVRIX XSWR
141
fc =
< FRV θb −axis >= −
< FRV θ b −axis > −
(T
− VLQ ρ < FRV φ > − − VLQ ρ < FRV φ > VLQ ρ − VLQ ρ π
< FRV φ > =
³ I φ VLQ φ FRV
(T
φdφ
π
³ I φ VLQ φdφ
(T
Xc =
Ic × Ic + Ia
(T
7DEOH2ULHQWDWLRQIDFWRU fc DQGFU\VWDOOLQLW\ Xc LQDOOILEHUV Sample (wt%)
Xc (%)
fc )' )$ )$7
6$;6LVFRPPRQO\XVHGWRVWXG\WKHGLVWULEXWLRQRIDPRUSKRXVDQGFU\VWDOOLQHUHJLRQV ZLWKLQWKHODPHOODHDQGILEULOODUVWUXFWXUHVLQWKHILEHUV'LPHQVLRQVRIERWKILEULOVDQGODPHOOD ZHUHFDOFXODWHG (TVWR DQGOLVWHGLQ7DEOHDfDQGLfDUHWKHGLDPHWHUDQGOHQJWKRIWKH ILEULOVUHVSHFWLYHO\DcDQGDaDUHWKHGLDPHWHUVIRUWKHFU\VWDOOLQHDQGDPRUSKRXVSRUWLRQVRID VLQJOHODPHOODDLLVWKHDYHUDJHVLQJOHODPHOODGLDPHWHUFRPSULVLQJERWKWKHFU\VWDOOLQHDQG DPRUSKRXVSRUWLRQV DL= Dc Da LcDQGLaDUHWKHVLQJOHODPHOODFU\VWDOOLQHDQGDPRUSKRXV KHLJKWLLLVWKHWRWDODYHUDJHVLQJOHODPHOODKHLJKWFRPSULVLQJERWKWKHFU\VWDOOLQHDQG DPRUSKRXVSRUWLRQV LL= Lc La I q = I H[S − q r (T
Lf = λ >Δ θ EDS FRVθ @ ≈ λF Δ(θ ) EDS − b L L = π q
(T (T
142
Dl = λ >Δ θ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aWRQPJUDLQGLDPHWHU DL YDOXHVLQFRQWUROILEHUVFRPSRVLWH ILEHUVVKRZHGORZHUJUDLQVL]HGLPH
Data Loading...
