[article]
| Titre : |
Measurements of the initial strain energy of leather |
| Type de document : |
texte imprimé |
| Auteurs : |
Cheng-Kung Liu, Auteur ; Michael D. Mcclintick, Auteur |
| Année de publication : |
1997 |
| Article en page(s) : |
p. 157-171 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Index. décimale : |
675 Technologie du cuir et de la fourrure |
| Résumé : |
This investigation was to establish an improved method to characterize the stiffness of leather associated with its resistance to a small deformation while taking into account the nonlinear viscoelasticity of leather. Stiffness was quantitatively determined for a specimen by measuring the energy needed to stretch it to 10 percent strain. This physical quantity, called initial strain energy,was observed to be define and measure than the tensile modulus. Using Box-Hunter's experimental design method a second order polynomial equation was derived for the relationship between initial strain energy and three major independent variables: moisture content, strainrate, and sampling angle. The breaking elongation was observed to decrease as initial starin energy increase, whereas the strength did not show a direct correlation with initial strain energy alone. However, regrassion analysis provided a significant statistical relationship between tensile stength and a parametre that incorporates the effects of strain energy, moisture content and strain rate. Thus, a prediction of tensile strength may become feasible based on measurements of initial strain energy without breaking the leather. |
| En ligne : |
https://drive.google.com/file/d/1rykePnBJc6PbnQ47tlKv7l7kLPlbQNLc/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=7671 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCII, N° 7 (09/1997) . - p. 157-171
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Measurements of the initial strain energy of leather in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCII, N° 7 (09/1997)
