The measurements of temperature dependence of electrical conductivity shows a positive temperature coefficient (PTC) and negative temperature coefficient (NTC) below and above the critical temperature (Tc) of nanofluids based on engine oil loaded with different concentrations of carbon nanotubes (CNT).
- How do we explain this behavior ?
Dear Malekie,
Thank you for the explanation, I need if there is a paper containing the same behavior.
regards
Dear Pr. Malekie,
Thank you for the helps.
I see the conference abstract that you send me, I find it is interesting but the work that have been studied is about Polystyrene/CNT nanocomposites is different of our work which is Engine oil /CNT nanofluids, so I think the interpretation will be different.
I have already studied the Poyster/CNT nanocomposites and found the same behavior: In attached file our article that present the PTC/NTC behavior which may be helps you.
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