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Surface Potential Decay on LDPE and its Nanocomposites

Chen, Xiangrong (author)
Zhejiang University
Hoang, Anh T. (author)
Chalmers tekniska högskola,Chalmers University of Technology
Serdyuk, Yuriy, 1963 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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Gubanski, Stanislaw, 1950 (author)
Chalmers tekniska högskola,Chalmers University of Technology
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 (creator_code:org_t)
2017
2017
English.
In: Annual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP. - 0084-9162. ; 2017-October, s. 485-488
  • Conference paper (peer-reviewed)
Abstract Subject headings
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  • To elucidate capabilities of nanocomposites in a full extend, deep understanding of various physical processes induced by electric fields in the bulk and on surfaces of the materials is needed. This paper reports an investigation of surface potential decay on low-density polyethylene and its mixtures with Al2O3 and MgO nanofillers. Samples of two groups materials with various thicknesses prepeared using different manufacturing processes were used in the study. The samples were pre-charged by negative corona and surface potentials were measured by a non-contact technique at room temperature. The obtained results showed that the addition of nanofillers remarkably slowed down the potential decay process irrespectively of film thicknesses and fabrication processes. This is attributed to the significantly lower conductivities of LDPE nanocomposites as compared to pure material. Moreover, the conductivities of the filled materials exhibited strong electric field dependences. It is postulated that the effect can be related to the increased trap energy in the nanocomposites.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Nanoteknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Nano-technology (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)

Keyword

Surface potential decay
electric conductivity
trap energy
nano-composite

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Chen, Xiangrong
Hoang, Anh T.
Serdyuk, Yuriy, ...
Gubanski, Stanis ...
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and Nano technology
ENGINEERING AND TECHNOLOGY
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ENGINEERING AND TECHNOLOGY
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Annual Report - ...
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