Evaluation of leather handle character by discriminatory two class analysis / Zhang Xiao-Lei in JOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC), Vol. 91, N° 5 (09-10/2007)  

[article]  inJOURNAL OF THE SOCIETY OF LEATHER TECHNOLOGISTS & CHEMISTS (JSLTC) > Vol. 91, N° 5 (09-10/2007) . - p. 201-207 Titre : Evaluation of leather handle character by discriminatory two class analysis Type de document : texte imprimé Auteurs : Zhang Xiao-Lei, Auteur ; Liu Qing-Lan, Auteur ; Zhang Wei-Ping, Auteur Année de publication : 2007 Article en page(s) : p. 201-207 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Cuir Cuirs et peaux -- Propriétés mécaniques Douceur (toucher) Matériau plein Poignée en cuir Statistique Toucher Index. décimale : 675 Technologie du cuir et de la fourrure Résumé : The hand evaluation method has been used to characterize the handle of leather (softness, fullness and elasticity) for many years. However, there is a certain subjective element affecting the final result. It would be valuable to set up a scientific theory and find a parameterized objective test method for leather handle character. In this paper, research results were analyzed to determine whether there was a interrelation between the handle character (softness, fullness and elasticity) and mechanical parameters measured at specific technical states. Softness can be characterized by bending coefficient (Kb) ; fullness can be characterized by compression index (Kc); stretchability by lastometer coefficient (K1) and elasticity by bending stress relaxation attenuation constant (αb) and bending stress attenuation (K). The statistical method of discriminatory two class analysis (DATC) was there adopted to characterize the handle of leather. The corresponding experiment and the application of DATC in the evaluation of leather handle character was carried out and the DATC results were found to be significant at a level greater than 99%. The findings indicate that the DATC method can be regarded as a comprehensive analysis method to, objectively and correctly, characterize the handle of leather. Note de contenu : - Interrelated research : Compressibility of leather - Bending property of leather - Lastometer property of leather - The scientific evaluation of leather handle : Evaluation of leather character - Discriminatory analysis of two classes - The application of DATC in the evaluation of leather handle character - Determination of standard samples - The specific examples of standard samples - Contrast between the results of the discriminatory analysis and HEM : - Table 1 : Instrumentally measured mechanical properties of the samples - Table 2 : The results of DATC - Table 3 : The variable parameters of the standard samples - Table 4 : The analysis results of the standard samples - Table 5 : The contrasting results of DATC and HEM En ligne : https://drive.google.com/file/d/1pCyU16SZsC5C1zqibitDvukXFlIl-ckY/view?usp=share [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=39013 [article]

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