Enhancing both strength and toughness of carbon/carbon composites by heat-treated interface modification
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摘要
A simple method to increase both strength and toughness of carbon/carbon(C/C) composites is presented.This method is based on the heat treatment of the pre-deposited thin carbon coating, leading to the formation of more orderly pyrolytic carbon(PyC) as a functional interlayer between fiber and matrix that could optimize the interfacial sliding strength in C/C composites. Effects of such a heat-treated PyC layers on the microstructure, tensile strength and fracture behavior of unidirectional C/C composites were investigated. Results showed that although the in-situ fiber strength was deteriorated after the introduction of interfacial layer, tensile strength of the specimen was greatly improved by 38.5% compared with pure C/C composites without any treatment. The interfacial sliding stress sharply decreased, which was interpreted from finite element analysis and verified by Raman spectra. Therefore, the fracture behavior was changed from brittle fracture to multiple-matrix cracking induced non-linear mechanical behavior.Finally, the ultimate strength can be predicted by different models according to the interfacial sliding stress. Our research would provide a meaningful way to improve both strength and toughness of C/C composites.
A simple method to increase both strength and toughness of carbon/carbon(C/C) composites is presented.This method is based on the heat treatment of the pre-deposited thin carbon coating, leading to the formation of more orderly pyrolytic carbon(PyC) as a functional interlayer between fiber and matrix that could optimize the interfacial sliding strength in C/C composites. Effects of such a heat-treated PyC layers on the microstructure, tensile strength and fracture behavior of unidirectional C/C composites were investigated. Results showed that although the in-situ fiber strength was deteriorated after the introduction of interfacial layer, tensile strength of the specimen was greatly improved by 38.5% compared with pure C/C composites without any treatment. The interfacial sliding stress sharply decreased, which was interpreted from finite element analysis and verified by Raman spectra. Therefore, the fracture behavior was changed from brittle fracture to multiple-matrix cracking induced non-linear mechanical behavior.Finally, the ultimate strength can be predicted by different models according to the interfacial sliding stress. Our research would provide a meaningful way to improve both strength and toughness of C/C composites.
A simple method to increase both strength and toughness of carbon/carbon(C/C) composites is presented.This method is based on the heat treatment of the pre-deposited thin carbon coating, leading to the formation of more orderly pyrolytic carbon(PyC) as a functional interlayer between fiber and matrix that could optimize the interfacial sliding strength in C/C composites. Effects of such a heat-treated PyC layers on the microstructure, tensile strength and fracture behavior of unidirectional C/C composites were investigated. Results showed that although the in-situ fiber strength was deteriorated after the introduction of interfacial layer, tensile strength of the specimen was greatly improved by 38.5% compared with pure C/C composites without any treatment. The interfacial sliding stress sharply decreased, which was interpreted from finite element analysis and verified by Raman spectra. Therefore, the fracture behavior was changed from brittle fracture to multiple-matrix cracking induced non-linear mechanical behavior.Finally, the ultimate strength can be predicted by different models according to the interfacial sliding stress. Our research would provide a meaningful way to improve both strength and toughness of C/C composites.
引文
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[40]R.Piat,E.Schnack,Carbon 41(2003)2159-2179.
[41]O.Frank,G.Tsoukleri,I.Riaz,K.Papagelis,J.Parthenios,et al.,Nat.Commun.2(2011)255-257.
[42]C.A.Taylor,M.F.Wayne,W.K.S.Chiu,Thin Solid Films 429(2003)190-200.
[2]K.Kuo,S.Keswani,Combust.Sci.Technol.42(3-4)(1985)145-164.
[3]J.E.Sheehan,K.W.Buesking,B.J.Sullivan,Annu.Rev.Mater.Sci.24(1994)19-44.
[4]X.Wu,L.R.Radovic,Carbon 43(2005)333-344.
[5]C.I.Contescu,T.Guldan,P.Wang,T.D.Burchell,Carbon 50(2012)3354-3366.
[6]S.S.Tzeng,W.C.Lin,Carbon 37(12)(1999)2011-2019.
[7]H.Hatta,K.Goto,S.Ikegaki,I.Kawahara,M.S.Aly-Hassan,H.Hamada,J.Eur.Ceram.Soc.25(4)(2005)535-542.
[8]H.Hatta,K.Goto,T.Aoki,Compos.Sci.Technol.65(15-16)(2005)2550-2562.
[9]H.C.Cao,E.Bischoff,O.Sbaizero,M.Riihle,A.G.Evans,D.B.Marshall,L.J.Brennan,J.Am.Chem.Soc.73(6)(1990)1691-1699.
[10]H.Hiroshi,A.Tatsuji,K.Itaru,K.Yasuo,J.Compos.Mater.38(19)(2004)1685-1698.
[11]M.Guellali,R.Oberacker,M.J.Hoffmann,Compos.Sci.Technol.(68)(2008)1122-1130.
[12]J.D.Hunn,G.E.Jellison Jr.,R.A.Lowden,J.Nucl.Mater.374(2008)445-452.
[13]B.Trouvat,X.Bourrat,R.Naslain,Extended Abstr.Prog.Carbon 97(1997)536-537.
[14]H.Mei,Q.L.Bai,Y.Y.Sun,H.Q.Li,H.Q.Wang,L.F.Cheng,Carbon 57(2013)288-297.
[15]J.J.Ren,K.Z.Li,S.Y.Zhang,X.Y.Yao,S.Tian,Mater.Design.65(65)(2015)174-178.
[16]H.Mei,Q.L.Bai,T.M.Ji,H.Q.Li,L.F.Cheng,Compos.Sci.Technol.103(103)(2014)94-99.
[17]B.Reznik,D.Gerthsen,K.J.Hüttinger,Carbon 39(2)(2001)215-229.
[18]A.Sadezky,H.Muckenhuber,H.Grothe,R.Niesser,U.P?schl,Carbon 43(2005)1731-1742.
[19]M.Pawlita,J.N.Rouzaud,S.Duber,Carbon 73(2015)479-490.
[20]L.E.Jones,P.A.Thrower,Carbon 29(2)(1991)251-269.
[21]D.S.Knight,W.B.White,J.Mater.Res.4(2)(1989)385-393.
[22]K.Honjo,Carbon 41(5)(2003)979-984.
[23]W.A.Curtin,J.Am.Ceram.Soc.74(11)(1991)2837-2845.
[24]M.D.Thouless,A.G.Evans,Acta Metall.36(3)(1988)517-522.
[25]M.Sutcu,Acta Metall.37(2)(1989)651-661.
[26]A.C.Kimber,J.G.Keer,J.Mater.Sci.Lett.1(8)(1982)353-354.
[27]K.R.Turner,J.S.Speck,A.G.Evans,J.Am.Ceram.Soc.78(7)(1995)1841-1848.
[28]F.J.Liu,H.J.Wang,L.B.Xue,L.D.Fan,Z.P.Zhu,J.Mater.Sci.43(12)(2008)4316-4322.
[29]J.M.Gebert,B.Reznik,R.Piat,B.Viering,K.Weidenmann,A.Wanner,O.Deutschmann,Carbon 48(12)(2010)3647-3650.
[30]Y.Tanabe,E.Yasuda,J.Mater.Sci.Lett.10(13)(1991)756-759.
[31]F.E.Heredia,S.M.Spearing,A.G.Evans,J.Am.Ceram.Soc.75(11)(1992)3017-3025.
[32]F.W.Zok,Hom C.L.Sbaizero,A.G.Evans,J.Am.Ceram.Soc.74(1)(2010)187-193.
[33]M.Sakai,R.C.Bradt,D.B.Fischbach,J.Mater.Sci.21(5)(1986)1491-1501.
[34]T.J.Mackin,P.D.Warren,A.G.Evans,Acta Metall.40(6)(1992)1251-1257.
[35]A.G.Evans,F.W.Zok,J.Mater.Sci.29(15)(1994)3857-3896.
[36]Y.Yao,S.H.Chen,J.Appl.Mech.80(2)(2013)1015.
[37]C.Pradere,C.Sauder,Carbon(46)(2008)1874-1884.
[38]M.Rollin,S.Jouannigot,J.Lamon,R.Pailler,Compos.Sci.Technol.69(9)(2009)1442-1444.
[39]W.Zhang,A.Li,B.Reznik,O.Deutschmann,Z.Angew.Math.Mech.93(5)(2013)338-345.
[40]R.Piat,E.Schnack,Carbon 41(2003)2159-2179.
[41]O.Frank,G.Tsoukleri,I.Riaz,K.Papagelis,J.Parthenios,et al.,Nat.Commun.2(2011)255-257.
[42]C.A.Taylor,M.F.Wayne,W.K.S.Chiu,Thin Solid Films 429(2003)190-200.