碳纳米管预处理及其对Ti(C,N)基金属陶瓷性能的影响
Pretreatment of Carbon Nano-Tubes and Its Effect on Properties of Ti(C,N)-Based Cermets
摘 要
利用化学沉积方法对表面改性后的碳纳米管进行进行镍包覆, 在Ti(C,N)基金属陶瓷中添加不同含量的碳纳米管作为增强相, 采用粉末冶金法制备了碳纳米管增强的Ti(C,N)基金属陶瓷材料; 研究了碳纳米管的表面改性、加入量及烧结温度对金属陶瓷性能的影响。结果表明: 当pH值为4.5时得到的镍镀层比pH值为9时得到的镍镀层连续光滑; 当碳纳米管含量由0增加到0.5%(质量分数)时, Ti(C,N)基金属陶瓷的抗弯强度随碳纳米管含量的增加而升高, 1 420 ℃烧结时, 其抗弯强度最大。
预处理
Ti(C,N)基金属陶瓷
性能
carbon nano-tubes
pretreatment
Ti(C,N)-based cermets
property
Abstract
Carbon nono-tubes (CNTs) coated with nickle cladding using electroless plating after surface modification were added into Ti(C,N)-based cermets as reinforcing phase with different contents. CTNs reinforcing Ti(C,N)-based cermets were prepared by powder metallurgy. The effects of surface modification and contents of CTNs and sintering temperature on property of cermets were studied. The results showed that the cladding of nickel was more continuous and smoother at pH value of 4.5 than that at pH value of 9; The bending strength of Ti(C,N)-based cermets increased with the increase of contents of CTNs from 0 to 0.5wt%; And the maximum value of bending strength was obtained at sintering temperature of 1 420 ℃.
中图分类号 TB331
所属栏目 新材料 新工艺
基金项目 湖北省教育厅科学技术研究重点项目资助(D20093003)
收稿日期 2011/11/29
修改稿日期 2012/6/14
网络出版日期
作者单位点击查看
备注王赛玉(1963-), 女, 湖南益阳人, 教授, 博士。
引用该论文: WANG Sai-yu,XIONG Wei-hao,LIN Shao-jiang. Pretreatment of Carbon Nano-Tubes and Its Effect on Properties of Ti(C,N)-Based Cermets[J]. Materials for mechancial engineering, 2012, 36(10): 66～69
王赛玉,熊惟皓,蔺绍江. 碳纳米管预处理及其对Ti(C,N)基金属陶瓷性能的影响[J]. 机械工程材料, 2012, 36(10): 66～69
被引情况:
【1】卢月美,舒经海, "碳纳米管/酚醛树脂基复合材料的研究进展",机械工程材料 39, 1-6(2015)
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【3】DENG M, DING G F, WANG Y, et al. Fabrication of Ni-matrix carbon nanotube field emitters using composite electroplating and micromachining[J].Carbon,2009,47:3466-3471.
【4】NEUBAUER E, KITZMANTEL M, HULMAN M. Potential and challenges of metal-matrix composites reinforced with carbon nanofibers and carbon nanotubes[J].Composites Science and Technology,2010, 70:2228-2236.
【5】DENG M, DING G F, WANG Y, et al. Room temperature mass production of carbon nanotube field emission micro-cathode arrays using electroplating of a CNT/Ni composite followed by micro-machining[J].Vacuum,2011,85:827-832.
【6】PEIGNEY A, LAURENT C, FLAHAUT E, et al. Specific surface area of carbon nanotubes and bundles of carbon nanotubes[J].Carbon,2001,39:507-514.
【7】GUO C, ZUO Y, ZHAO X H, et al. Effects of surfactants on electrodeposition of nickel-carbon nanotubes composite coatings[J].Surface & Coatings Technology,2008,202:3385-3390.
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【10】HOU P X, BAI S, YANG Q H, et al. Multi-step purification of carbon nanotubes[J].Carbon,2002,40:81-85.
【11】郑勇.细晶粒Ti(C,N)基金属陶瓷复合材料的研究[D].武汉: 华中科技大学,2002.
【12】LIU N, XU Y D, ZHEN H L, et al. Influence of molybdenum addition on the microstructure and mechanical properties of TiC-based cermets with nano-TiN modification[J].Ceramics International,2003,29(8):919-925.
【13】KHABAZIAN S, SANJABI S.The effect of multi-walled carbon nanotube pretreatments on the electrodeposition of Ni-MWCNTs coatings [J].Applied Surface Science,2011,257:5850-5856.
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