Effect of Friction in the Punch-to-Specimen Contact Zone Upon the Punching Behaviour of Synthetic Leathers

• Autorzy: Zubauskienė D. , Strazdiené E.

Identyfikatory

DOI

10.5604/12303666.1237248

Warianty tytułu

PL

Wpływ tarcia w strefie styku na zachowanie skór syntetycznych

• Języki publikacji: EN

Abstrakty

EN

Upholstery materials during their performance experience biaxial deformations, which are effected by friction in the contact zones: material-to-human skin, material-to-material, and material-to-inner parts of the furniture. The aim of this research was to define the effect of friction in the punch-to-specimen contact zone upon the tearing character and strength of non-perforated and perforated synthetic leathers under biaxial punching. Tests were performed with three different punches. The variation of friction coefficients in the punch-to-leather contact zone was achieved by the application of four different lubricants. Leather samples were investigated on the face (vinyl) and reverse (textile) sides. The results of the investigations confirmed that the maximal punching force Pmax increases with an increase in the punch size. The same tendency is valid in cases where different levels of friction act in the punch-to-specimen contact zone or whether the specimens were punched from both sides. Dependencies exist between area S of the punch-to-specimen contact zone during tearing and the average static μ^SA and dynamic μ^DA friction coefficients.

PL

Materiały tapicerskie ulegają odkształceniom, które są skutkiem tarcia w trzech strefach: styku między materiałami obiciowymi a ludzką skórą, styku materiałów obiciowych ze sobą oraz styku materiałów obiciowym z materiałem, z którego wykonane są części wewnętrzne mebla. Celem badań było określenie wpływu tarcia w strefie kontaktu na rozerwanie i wytrzymałość nieprzetworzonych i perforowanych skór syntetycznych. Do badań użyto czterech różnych środków smarujących. Próbki zostały zbadane po dwóch stronach: wierzchniej (winylowej) i spodniej (tekstylnej). Wyniki badań potwierdziły, że maksymalna siła nacisku wzrasta wraz ze wzrostem wielkości perforacji. Podkreślenia wymaga fakt, że parametry statyczne tarcia w porównaniu z dynamicznymi są wyraźnie wyższe od strony wierzchniej.

Słowa kluczowe

EN

non-perforated leather; perforated synthetic leather; biaxial punching; friction; lubricants

PL

skóra bez perforacji; perforowana skóra syntetyczna; rozerwanie; wytrzymałość; tarcie; smary

• Wydawca: Sieć Badawcza Łukasiewicz - Łódzki Instytut Technologiczny
• Czasopismo: Fibres & Textiles in Eastern Europe
• Rocznik: 2017
• Tom: Vol. 25, no. 3 (123)
• Strony: 121--128
• Opis fizyczny: Bibliogr. 28 poz., rys., tab.

Twórcy

autor

Zubauskienė D.

• Department of Materials Engineering, Faculty of Mechanical Engineering and Design, Kaunas University of Technology, Kaunas, Lithuania

autor

Strazdiené E.

• Faculty of Arts and Creative Technologies, Vilnius University of Applied Sciences, Didlaukio str. 82, Vilnius LT-08303, Lithuania

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).