[article]
| Titre : |
Microscopic observations of leather looseness and its effects on mechanical properties |
| Type de document : |
texte imprimé |
| Auteurs : |
Cheng-Kung Liu, Auteur ; Peter H. Cooke, Auteur ; Joseph Lee, Auteur ; Nicholas P. Latona, Auteur |
| Année de publication : |
2009 |
| Article en page(s) : |
p. 230-236 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
Looseness is a very troublesome issue regarding the structure of leather as well as the final leather product. It is a great concern to tanners who will go to great lengths to address it by adding different chemicals. However, its fine structure and effects on the mechanical properties are not fully understood. This investigation was devoted to gaining a better understanding of looseness based on microscopic studies showed visible gap between the interstitial layer and the corium layer in the loose leather. Moreover, the grain showed looseness leads to a decrease in toughness. However, measurements also showed there is little change in tensil strength and elongation. Moreover, viscoelasticity studies showed that loose leather has very similar stress relaxation curves as tight leather. Both leathers demonstrated a rapid decrease in stress for the first few seconds followed by a much slower decay thereafter. The loose leather, nevertheless, has a greater initial stress than the tight leather, indicating a higher stifness than tight leather. This study has provided a better understanding of loosenes, which will lead to the development of measures to correct this defect such as adding fillers to the leather. |
| En ligne : |
https://drive.google.com/file/d/1rpVsSCRt8PaOTqzPuVa20pSVwplf5Wib/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5981 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. CIV, N° 7 (07/2009) . - p. 230-236
[article]
|
Aller sur edunet
Accueil
Microscopic observations of leather looseness and its effects on mechanical properties in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. CIV, N° 7 (07/2009)
