| Titre : |
Microscopic analysis of the tensile properties of cattle collagen |
| Type de document : |
texte imprimé |
| Auteurs : |
Zhong Anhua, Auteur ; Huang Zhuo, Auteur ; Fang Songchun, Auteur ; Jinlong Zhao, Auteur |
| Année de publication : |
2022 |
| Article en page(s) : |
p. 252-254 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Cuirs et peaux -- Propriétés mécaniques
Cuirs et peaux de bovins
Elasticité
Essais dynamiques
Microscopie
Traction (mécanique)
|
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
The tensile property of cattle leather is an important mechanical property. To study the mechanical properties of cattle leather for clothing, the stretching process of 1CGD was simulated by steered molecular dynamics (SMD). The experiment was set up with 5 temperatures and 5 stretching rates. The stress-strain curves of collagen and Young's modulus of the collagen were obtained during the whole process. The results revealed a significant effect of temperature and stretching rate on the stress-strain curve of collagen. When the temperature is constant, the stress-strain curve decreases with the increase of tensile rate, and the stress-strain curve has three forms: viscoelasticity, upward extension and linear change. The higher temperature, the lower Young's modulus. The higher stretching rate, the lower Young's modulus. |
| Note de contenu : |
- Research theory
- Experimental procedures
- Results and discussion : Conformation change - Analysis of stress-strain - Analysis of Young's modulus |
| En ligne : |
https://drive.google.com/file/d/1g91amVFE_mgAfr6EE8QU1WbfIJNc3HGw/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=38517 |
in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 106, N° 6 (11-12/2022) . - p. 252-254
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