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| Titel: |
The Evaluation of the Flexural Strength of Cured Epoxy Resins from Heat Capacity Data |
| Auteur: |
Zhang, Yongping Cameron, J. |
| Verschenen in: |
International journal of polymeric materials |
| Paginering: | Jaargang 17 (1992) nr. 1-2 pagina's 103-111 |
| Jaar: |
1992-04-01 |
| Inhoud: |
The flexural strength of epoxy resins cured at different temperatures and times was investigated and compared to the heat capacities obtained during thermal analysis. Theoretical and experimental results indicated that the change in heat capacity at the glass transition temperature of epoxy resins decreases with increasing cure time and temperature. Further, for the given epoxy resin composition, it was determined that those samples with higher ΔCp values have higher flexural strength than those with lower ΔCp values. Epoxy resins show a strong co-relation between flexural strength and measured heat capacities. Since the measurement of heat capacity by the Differential Scanning Calorimetry technique is simple and reproducible, it presents a means of evaluating the flexural properties of epoxy resins which will result from any known set of cure conditions. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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