Understanding the polymer type and CNT orientation effect on the dynamic mechanical properties of high volume fraction CNT polymer nanocomposites /Deniz Ürk a , Elif Demir b , Osman Bulut c , Dilek Çakırog˘lu d , Fevzi Ç. Cebeci d,e , M. Lütﬁ Öveçog˘lu a , Hülya Cebeci b, ⇑ - Ürk,Deniz