The PTFE-nanocomposites mechanical properties for transport systems dynamic sealing devices elements

The mechanical properties study results of polymer nanocomposites based on polytetrafluoroethylene with modifiers in the form of micro- and nanoscale cryptocrystalline graphite and silicon dioxide powders are determined. The nanocomposites mechanical properties determined values provide high sealing...

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Bibliographic Details
Published in:Journal of physics. Conference series 2017-06, Vol.858 (1), p.12018
Main Authors: Mashkov, Y K, Egorova, V A, Chemisenko, O V, Maliy, O V
Format: Article
Language:English
Subjects:
Cryogenic temperature
Elastic limit
High temperature
Mechanical properties
Modulus of elasticity
Nanocomposites
Physics
Polytetrafluoroethylene
Sealing
Silicon dioxide
Tensile strength
Transportation systems
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Summary:The mechanical properties study results of polymer nanocomposites based on polytetrafluoroethylene with modifiers in the form of micro- and nanoscale cryptocrystalline graphite and silicon dioxide powders are determined. The nanocomposites mechanical properties determined values provide high sealing degree of transport systems dynamic sealing devices elements. When the temperature changes from cryogenic to high positive then the elastic modulus, tensile strength decrease significantly and nonlinearly, the latter limits the composite usage in heavily loaded tribosystems operating at elevated temperatures.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/858/1/012018