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《Lubrication Engineering》 2009-06
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Research on Preparation and Performances of Fiber Modified PTFE Sealing Materials

Zhou Bo Chen Ye(College of Mechanical and Power Engineering, Nanjing University of Technology,Nanjing Jiangsu 210009,China)  
Applying carbon fiber powder and short carbon fiber as reinforcing fiber,PTFE sealing composite materials were prepared by mould pressing and sintering process.The effects of reinforcing fiber content and different fiber surface treatment methods on the sealing performances of PTFE composites were investigated by using tensile strength,compression rate, resilience rate and creep relaxation rate as evaluating indicators.The experimental results indicate that the effect of fibers surface treatment on the performances of composites is not obvious,but increasing reinforcing fiber content can improve the sealing performances of composites remarkably.Carbon fiber powder has better modification effect on PTFE materials than short glass fiber.PTFE composites modified by proper content of reinforcing fiber can be used as sealing materials at 200 ℃ for long time.
【CateGory Index】: TB42
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Chinese Journal Full-text Database 1 Hits
1 Xu Jiawei Chen Ye(College of Mechanical and Power Engineering,Nanjing University of Technology,Nanjing 210009);The effect of filling modification with barium sulfate on the performances of PTFE sealing materials[J];New Chemical Materials;2008-12
Chinese Journal Full-text Database 3 Hits
1 ZHANG Yan-yan,CHEN Jun-ruo,LIU Mei-hong(Faculty of Mechnical and Electronical Engineering,Kunming University of Science and Technology,Kunming 650093,China);STUDY PROGRESS IN CREEP-RELAXATION OF NON-ASBESTOS GASKET MATERIALS[J];Fiber Reinforced Plastics/Composites;2007-01
2 Gu Hongyan He Chunxia Zhang Jing(Engineering College,Nanjing Agricultural University,Nanjing 210031);Properties of PTFE composites filled with nano-Si_3N_4 and graphite[J];New Chemical Materials;2009-08
3 Gao Peng Chen Ye(College of Mechanical and Power Engineering,Nanjing University of Technology,Nanjing Jiangsu 210009,China);The Effect of Nanometer Modification on the Performances of Short Fiber Reinforced Rubber-based Sealing Composite Material[J];Lubrication Engineering;2009-08
【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 Liang Ru Tang Hong (Jinan First Plastics Factory,250022);The Study and Prepare of the Non-asbestos Static Sealing Spacer Used for Water Electrolytic Plant[J];SHANDONG CHEMICAL LNDUSTRY;1998-04
2 Yu Naimei Yao Qingqing Li Dee (Depastment of Chemistry);The Relationships Between the Phase Structures and Properties of Polytetratluoroethylene-Grraphlte and Polytetrafluoroethylene-Polyimide Composites[J];Journal of Xiamen University(Natural Science);1982-03
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