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P. N. Petrova , O. V. Gogoleva

DEVELOPMENT OF TRIBOTECHNICAL MATERIALS BASED ON MIXTURES OF FLUOROPLASTS

DOI: 10.17804/2410-9908.2018.6.184-190

The paper presents the results of research on the development of self-lubricating materials based on polymer blends. It has been established that the complex modification of polytetrafluoroethylene with ultradisperse polytetrafluoroethylene and magnesium spinel leads to an up to 50 times decrease in the rate of mass wear, with a certain decrease in the coefficient of friction. It is shown that the addition of mechanocomposites based on zeolite and UPTFE leads to an increase in strength and elongation at break of materials by 20-30% compared to the initial polymer. It has been established that PKM possesses optimal properties, with the content of the combined filler obtained by the joint activation of the components at a mass ratio of zeolite: polymer filler = 2:1. Compared to composites containing only activated zeolite in an amount of 2 wt%, the developed composites with modified UPTFE zeolites at the same concentration 3 to 4 times excel in wear resistance.

Keywords: polymeric composite material, polytetrafluoroethylene, ultradisperse polytetrafluoroethylene, wear resistance, coefficient of friction, mechanocomposite, joint activation

Bibliography:

1. Ohlopkova A.A., Petrova P.N., Gogoleva O.V., Fedorov A.L. Fluoropolymer Composites of Tribotechnical Purpose. Trenie i Iznos, 2007, vol. 28, no. 6, pp. 627–633. (In Russian).
2. Okhlopkova A.A., Petrova P.N., Gogoleva O.V. Investigation of the triboengineering characteristics of nanocomposites based on polymeric blends. Journal of Friction and Wear, 2009, vol. 30, pp. 363–368. DOI: 10.3103/S1068366609050109.
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7. Argunova A.G., Petrova P.N., Okhlopkova A.A., Shadrinov N.V., Gogoleva O.V. Ultrasonication-Induced Changes in Physicomechanical and Tribotechnical Properties of PTFE Composites. Journal of the Korean Chemical Society, 2015, vol. 59, no. 3. DOI: 10.5012/jkcs.2015.59.3.233.
8. Okhlopkova A.A., Vasil’ev S.V., Petrova P.N., Gogoleva O.V. Frictional basalt-reinforced polymers based on polytetrafluoroethylene. Russian Engineering Research, 2016, vol. 36 (4), pp. 285–288. DOI: 10.3103/s1068798x16040134.
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12. Gogoleva O.V., Okhlopkova A.A., Petrova P.N. Development of Self-Lubricating Antifriction Materials Based on Polytetrafluoroethylene and Modified Zeolites. Journal of Friction and Wear, 2014, vol. 35, no. 5, pp. 383–388. DOI: 10.3103/s1068366614050055.
 


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Article reference

Petrova P. N., Gogoleva O. V. Development of Tribotechnical Materials Based on Mixtures of Fluoroplasts [Electronic resource] // Diagnostics, Resource and Mechanics of materials and structures. - 2018. - Iss. 6. - P. 184-190. -
DOI: 10.17804/2410-9908.2018.6.184-190. -
URL: http://eng.dream-journal.org/issues/2018-6/2018-6_218.html
(accessed: 01/28/2022).  

 

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