|
| << vorige | volgende >> |
Tijdschrift beschrijving
Alle jaargangen van het bijbehorende tijdschrift
Alle afleveringen van het bijbehorende jaargang
Alle artikelen van de bijbehorende aflevering
Details van artikel 4 van 25 gevonden artikelen
| Titel: |
Effect of Thermal Cycling on D.C. Conductivity and Morphology of Polyethylene |
| Auteur: |
Khalil, M. Salah |
| Verschenen in: |
International journal of polymeric materials |
| Paginering: | Jaargang 28 (1995) nr. 1-4 pagina's 179-185 |
| Jaar: |
1995-03-01 |
| Inhoud: |
The effects of long period repeated thermal cycling in the presence of d.c. electric field on the d.c. conductivity, morphology and degree of crystallinity of low density polyethylene (LDPE) were investigated. D.C. conductivity measurements indicate that a reasonable steady state conductivity could be achieved after a period of 10 days of thermal cycling between 80°C and 40°C in the presence of a d.c. electric field across the sample followed by another 10 days of conductivity measurements at constant temperature of 80°C. Crystallinity evaluation as well as morphological investigations using scanning electron microscopy (SEM) of etched surfaces of the material before and after thermal cycling and conductivity measurements show that the investigated material has undergone structural changes after that long period of thermal cycling and conductivity measurements. An attempt is made to correlate between the d.c. conductivity results and the observed structural changes in the material. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 4 van 25 gevonden artikelen
| << vorige | volgende >> |