以酚醛树脂为基体前躯体,以煤矸石为添加剂,通过化学发泡、固化及炭化工艺制备煤矸石增强酚醛树脂基泡沫炭材料,采用SEM、XRD、电子万能试验机等手段对材料的形貌、物相和力学性能进行表征,研究了炭化温度对其力学性能的影响.结果表明,当炭化温度为1400℃时,泡沫炭的孔洞较为完整,呈圆形或椭圆形,当温度超过1400℃时,孔壁变得粗糙,边沿出现裂纹.当温度由1100℃升高至1250℃开始出现莫来石物相,并随着温度的进一步升高莫来石含量逐渐增多.随着温度从1100℃升高到1550℃,该泡沫炭材料的压缩强度表现出升高趋势.
参考文献
| [1] | W.Ford,Method of making cellular refractory thermal insulating material,US patent,3121050(1964) |
| [2] | Gang LIU,Xinmin WANG,Jinguang QIAN,Production and utilization of foamed phenolic,Wall Material Innovation & Energy Savingin Buildings,(2),46(2001) |
| [3] | CHEN Wen,Applications of carbon (graphite) foam in aviation,Aviation Maintenance & Engineering,(3),34(2005)(陈文,碳泡沫及石墨泡沫在航空上的应用,航空维修与工程,(3),34(2005)) |
| [4] | K.Maslov,V.K.Kinra,Damping capacity of carbon foam,Materials Science and Engineering A,367(1-2),89(2004) |
| [5] | TANG Lulin,DENG Gang,LI Naining,WU Peixi,Carbonized founctional materials based on phenolic resins,Thermosetting Resin,23(4),41 (2008)(唐路林,邓钢,李乃宁,吴培熙,酚醛树脂基炭化功能性材料,热固性树脂,23(4),41(2008)) |
| [6] | E.Bruneton,C.Tallaron,N.Gras-Naulin,A.Cosculluela,Evolution of the structure and mechanical behavior of a carbon foam at very high temperatures,Carbon,(40),1920(2002) |
| [7] | R.A.Mitcheltree,Kellas,J.T.Dorsey,P.N.Desai,C.J.Martin,A passive earth-entry capsule for mars sample return,in:Albuquerque:7th AIAA/ASM E Joint Thermophysics and Heat Transfer Conference (1998) |
| [8] | Sizhong Li,Yongzhong Song,Yan Song,Jingli Shi,Lang Liu,Xinghai Wei,Quangui Guo,Carbon foams with high compressive strength derived from mixtures of mesocarbon microbeads and mesophase pitch,Carbon,45(10),2093(2007) |
| [9] | William Fawcett,Dineshk.Shetty,Effects of carbon nanofibers on cell morphology,thermal conductivity and crush strength of carbon foam,Carbon,48(1),69(2010) |
| [10] | M.Almajali,K.P.Lafdi,H.Prodhomme,O.Ochoa,Mechanical properties of copper-coated carbon foams,Carbon,48(5),1605(2010) |
| [11] | CHEN Feng,ZHANG Hongbo,XIONG Xiang,YAN Zhiqiao,Microstructure and properties of carbon foams reinforced by CVD PyC,Journal of Inorganic Materials,23(6),1184(2008)(陈峰,张红波,熊翔,闫志巧,CVD PyC对炭泡沫结构及性能的影响,无机材料学报,23(6),1184(2008)) |
| [12] | Xinying Wang,Jiming Zhong,Yimin Wang,Mingfang Yu,A study of properties of carbon foam reinforced by clay,Carbon,44(8),1560(2006) |
| [13] | Xiaowen WU,Yan'gai LIU,Minghao FANG,Lefu MEI,Bingcheng LUO,Preparation and characterization of carbon foams derived from aluminosilicate and phenolic resin,Carbon,49(5),1782(2011) |
| [14] | JI Ming,ZENG Xiaoyan,TIAN Guohua,Study on aluminium hydroxyde filled phenolic resin cellular materials,Journal of Shang Hai JiaoTong University,32(3),136(1998)(计明,曾晓燕,田国华,酚醛树脂泡沫材料的填充改性及其性能研究,上海交通大学学报,32(3),136(1998)) |
| [15] | LU Jianjun,XIE Kechang,The mechanical properties of coal filled polymer composites,Journal of China Coal Society,29(2),203(2004))(卢建军,谢克昌,煤填充高分子复合材料力学性能研究,煤炭学报,29(2),203(2004)) |
| [16] | JIA Dechang,SONG Guiming,Properties of Inorganic Nonmetallic Material(Beijing,Science Press,2008) p.18-64(贾德昌,宋桂明,无机非金属材料性能(北京,科学出版社,2008)p.18-64) |
| [17] | I.A.Aksay,D.M.Dabbs,M.Sarikaya,Mullite for structural,electronic,and optical applications,J.Am.Ceram.Soc.,74(10),2351(2005) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%