Impact of the mechanical properties of nappa clothing leather on the characteristics of its use / V. Urbanija in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 88, N° 5 (09-10/2004)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 88, N° 5 (09-10/2004) . - p. 181-190 Titre : Impact of the mechanical properties of nappa clothing leather on the characteristics of its use Type de document : texte imprimé Auteurs : V. Urbanija, Auteur ; J. Gersak, Auteur Année de publication : 2004 Article en page(s) : p. 181-190 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cisaillement (mécanique) Cuir nappa Cuirs et peaux -- Propriétés mécaniques Cuirs et peaux de moutons Cuirs et peaux de porcs Drapage Elasticité Etudes comparatives Flexion (mécanique) Toucher Traction (mécanique) Vêtements en cuir Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : Leather, when used as the primary component of clothing, requires specific care in design linked to the specific traits of individual hide types and their mechanical properties. This study attempts, with reference to the specific properties of leather, to explore the impact of nappa leather clothings’ mechanical properties on the characteristics of its use. This research work deals with a mechanical properties analysis of sheep- and pigskin nappa leather clothing. Particular emphasis is placed on handle, the tensile, elastic and shear properties, as well as bending characteristics and design abilities and/or drape of the leather. Special emphasis is placed on the comparative analysis of pigand sheepskin nappa leather clothing. The survey involved 31 skins of various nappa clothing sheepskin designed for outer garments which were divided into three groups by weight and by mass and four groups of nappa clothing pigskin. Three of the groups of nappa pigskin differed in the method of finishing, whereas the fourth group included washable nappa pigskin. All of the groups of nappa leather clothing analysed were tested for their interrelationships on the important parameters of mechanical properties typical of an individual hide group. In parallel with analysis of the mechanical properties of the nappa leather used, the effects of mass and bending rigidity on the nappa leathers’ drape were also explored. “Mass” here is used in the sense of mass/unit area and is expressed in gm-2. Based on an analysis of the results obtained for individual parameters of the nappa pigskin’s mechanical properties, it was established that there is no substantial deviation in the properties concerned from the values for nappa sheepskin. Note de contenu : - LEATHER CLOTHING : Mechanical properties - Leather clothing appearance - METHODOLOGY - RESULTS - DISCUSSION : Analysis of results relating to the mechanical properties of nappa leather - Analysis of results relating to the drapability parameters of nappa leather - Analysis of established borderline values for the major parameters of nappa leather mechanical properties - Table 1 : Characteristic parameters of basic mechanical properties using the KES-FB system - Table 2 : Results of tensile a nd shear propertym easurements, and co mp ressib ility of pig- and sheepskin nappa leather in longitudinal and transverse directions - Table 3 : Results of bending rigidity measurements, and drape parameters for the pig-and sheepskin nappa leathers analysed - Table 4 : Recommendations for limit values of major parameters for mechanical properties of pig- and sheepskin nappa leather En ligne : https://drive.google.com/file/d/1OKOaFnE6IimTxXoIpaYTrlsmGsBrdnFF/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39622 [article]

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