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| Titel: |
35—THE AGEING OF WOOL. PART I: AGEING AT VARIOUS TEMPERATURES |
| Auteur: |
Chapman, B. M. |
| Verschenen in: |
The journal of the Textile Institute |
| Paginering: | Jaargang 66 (1975) nr. 10 pagina's 339-342 |
| Jaar: |
1975-10-01 |
| Inhoud: |
Experiments are described in which the stress-relaxation and recovery behaviour is investigated for Lincoln-wool fibres in bending as a function of the ageing time at temperatures of 20, 40, and 60°C. It is found that, at any temperature, the effect of increasing the ageing time by one decade is to shift the stress-relaxation curve by one decade to longer stress-relaxation times. Furthermore, the three sets of curves corresponding to the three temperatures are proportional to one another, although a marked decrease in stiffness occurs with increasing temperature. The recovery curves, which are independent of temperature, are successfully predicted from the stress-relaxation-moduli data by using the equations of generalized linear viscoelasticity. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 75 van 120 gevonden artikelen
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