NDLI: Electron and probe microscopy investigation of the surface of elastomers modified with antifriction fillers

Content Provider	Springer Nature Link
Author	Stolyarova, O. O. Muravyeva, T. I. Gainutdiv, R. V. Morozov, A. V. Zagorskiy, D. L. Petrova, N. N. Portnyagina, V. V.
Copyright Year	2016
Abstract	The surface of frost-resistant elastomers (rubbers) based on nitrile-butadiene rubber and propylene- oxide rubber (pure and modified with fillers: ultrafine PTFE and carbon black) is investigated. Tribological tests show that the addition of carbon black produced the greatest effect: the friction coefficient decreases to 0.2 and remains virtually constant during cooling. Surface and subsurface defects are detected by SEM. These defects can affect the processes in the zone of friction and destruction of the sliding surface of rubber. It is demonstrated that the modification of propylene-oxide rubber results in surface smoothing; the effect is the most pronounced in the samples modified with carbon black. The potential to use scanning probe microscopy for local investigation of the surface of rubber is assessed. A conclusion is made about the adhesive properties of surfaces based on the obtained force–distance curves. The investigation of vibration parameters of a probe in contact with the surface provides an opportunity to estimate the surface elasticity. It is shown that the addition of carbon black results in an increase in hardness of the rubber samples and a drastic reduction in adhesion. At the same time, the introduction of ultrafine PTFE leads to a slight enhancement of the adhesion and hardness. It is concluded that carbon black is the best modifying additive for the studied elastomers.
Starting Page	925
Ending Page	932
Page Count	8
File Format	PDF
ISSN	10274510
Journal	Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques
Volume Number	10
Issue Number	5
e-ISSN	18197094
Language	English
Publisher	Pleiades Publishing
Publisher Date	2016-10-20
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	elastomers tribological properties electron microscopy X-ray elemental analysis scanning probe microscopy Surfaces and Interfaces, Thin Films
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology Surfaces, Coatings and Films

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