Manufacturing Technology of Composite Materials-Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene

被引:31
|
作者
Panda, Anton [1 ]
Dyadyura, Kostiantyn [2 ]
Valicek, Jan [3 ,4 ]
Harnicarova, Marta [3 ]
Zajac, Jozef [1 ]
Modrak, Vladimir [1 ]
Pandova, Iveta [1 ]
Vrabel, Peter [1 ]
Novakova-Marcincinova, Ema [1 ]
Pavelek, Zdenek [5 ]
机构
[1] Tech Univ Kosice, Fac Mfg Technol Seat Presov, Bayerova 1, Presov 08001, Slovakia
[2] Sumy State Univ, Fac Tech Syst & Energy Efficient Technol, Dept Appl Mat Sci & Technol Construct Mat, UA-40007 Sumy, Ukraine
[3] VSB Tech Univ Ostrava, Fac Min & Geol, Inst Phys, 17 Listopadu 15-2172, Ostrava 70833, Czech Republic
[4] VSB Tech Univ Ostrava, Fac Met & Mat Engn, RMTVC, 17 Listopadu 15-2172, Ostrava 70833, Czech Republic
[5] HBZS As, OKD, Ostrava 71600, Czech Republic
关键词
polytetrafluoroethylene; polymer composites materials; fillers; modification of the polymer matrix; adhesion; friction; manufacturing technology mechanical properties; TRIBOLOGICAL BEHAVIOR; MECHANICAL-PROPERTIES; WEAR BEHAVIOR; SLIDING WEAR; PTFE; FRICTION; NANOCOMPOSITES; FIBERS;
D O I
10.3390/ma10040377
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The results of the investigations into the technological formation of new wear-resistant polymer composites based on polytetrafluoroethylene (PTFE) filled with disperse synthetic and natural compounds are presented. The efficiency of using PTFE composites reinforced with carbon fibers depends on many factors, which influence the significant improvement of physicomechanical characteristics. The results of this research allow stating that interfacial and surface phenomena of the polymer-solid interface and composition play a decisive role in PTFE composites properties. Fillers hinder the relative movement of the PTFE molecules past one another and, in this way, reduce creep or deformation of the parts, reducing the wear rate of parts used in dynamic applications as well as the coefficient of thermal expansion. The necessary structural parameters of such polymer composites are provided by regimes of process equipment.
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页数:20
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