烧结温度对环氧树脂/竹基木陶瓷性能的影响Effects of sintering temperature on performance of epoxy resin/bamboo woodceramics
孙德林,余先纯,王荣,孙德彬,黄小西
摘要(Abstract):
为了了解烧结温度对木陶瓷基本性能的影响,将浸渍了环氧树脂的竹粉和竹纤维压制成复合板材,在不同的温度下烧结而得到环氧树脂/竹基木陶瓷。采用X射线衍射仪(XRD)、扫描电镜(SEM)等测试设备研究了烧结温对其物相变化、微观结构和力学性能等方面的影响。结果表明:竹基木陶瓷是由石墨微晶所构成的多孔碳素材料,较高的烧结温度能够改善其石墨化程度,但不能完全石墨化;在微观形态上表现为三维网络结构,同时部分保存了竹材的天然结构特征;其显气孔率随着烧结温度的增加而增加,表观密度则显示出相反的特征;抗弯和抗压强度在低温处随烧结温度的提高而增加,但在1200℃之后有降低的趋势。同时,摩擦系数则随着烧结温度的提高而明显下降。当烧结温度为1200℃左右时,环氧树脂-竹基木陶瓷具有较好的性能。
关键词(KeyWords): 竹基木陶瓷;烧结温度;物相构成;微观结构;力学性能
基金项目(Foundation): 湖南省教育厅资助项目(10c1329);; 中南林业科技大学人才引进资助项目(104-0109)
作者(Author): 孙德林,余先纯,王荣,孙德彬,黄小西
DOI: 10.13289/j.issn.1009-6264.2011.09.002
参考文献(References):
- [1]Treusch O,Hofenauer A,Trger F,et al.Basic properties of specific wood-based materials carbonised in a nitrogen atmosphere[J].Wood Scienceand Technology,2004,38(5):323-333.
- [2]Sun D L,Yu X C,Liu W J,et al.Effects of sintering conditions on microstructure changes of wood-ceramics impregnated with low-molecular-weightphenol formaldehyde resin[J].Wood and Fiber Science,2009:41(4):433-439.
- [3]Hiroyuki F.Theorectical X-ray scattering intensity of carbons with turbostratic stacking and AB stacking structures[J].Carbon,2003,41(8):1585-1592.
- [4]钱军民,金志浩,王继平.酚醛树脂/木粉复合材料制备木材陶瓷结构变化过程研究[J].复合材料学报,2004,21(4):18-23.Qian Jun-min,Jin Zhi-hao,Wang Ji-ping.Study on structural changes during preparing woodceramics from phenolic resin/basswood powdercomposite[J].Acta Materiae Compositae Sinica,2004,21(4):18-23.
- [5]钱军民,王继平,金志浩.由锻木木粉和酚醛树脂制备木材陶瓷的研究[J].无机材料学报,2004,19(2):335-340.Qian Jun-min,Wang Jin-ping,Jin Zi-hao.Woodceramics prepared from basswood powder and phenolic resin[J].Acta Material Composite Sincia,2004,19(2):335-340.
- [6]陶毓博,李淑君,李鹏,等.酚醛树脂用量对木陶瓷性能的影响[J].材料热处理学报,2010,31(2):26-29.Tao Yu-bo,Li Shu-jun,Li Peng,et al.Effect of phenolic resin proportion on properties of woodceramics[J].Transactions of Materials and HeatTreatment,2010,31(2):26-29.
- [7]Andrew K Kercher,Dennis C Nagle.Microstructural evolution during charcoal carbonization by X-ray diffraction analysis[J].Carbon,2003,41(1):15-27.
- [8]涂建华,张利波,彭金辉,等.酚醛树脂基玻璃炭制备机理及结构的研究进展[J].碳素技术,2005,27(3):21-29.Tu Jian-hua,Zhang Li-bo,Peng Jin-hui,et al.Fabrication mechanism and structure of glass-like carbons derived from phenolic resin[J].CarbonTechniques,2005,27(3):21-29.
- [9]王于刚,史铁钧,李忠,等.聚芳基乙炔树脂/杉木粉木材陶瓷的制备与表征[J].应用化学,2010,27(4):418-422.Wang Yu-gang,Shi Tie-jun,Li Zhong,et al.Preparation and characterization of woodceramics from polyarylacetylene resin/Fir powder[J].ChineseJournal of Applied Chemistry,2010,27(4):418-422.
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