Wear Process Analysis of the Polytetrafluoroethylene/Kevlar Twill Fabric Based on the Components’ Distribution Characteristics

• Autorzy: Gu D. , Fan B. , Li F. , Yang Y. , Chen S.

Identyfikatory

DOI

10.1515/aut-2016-0015

• Języki publikacji: EN

Abstrakty

EN

Polytetrafluoroethylene (PTFE)/Kevlar fabric or fabric composites with excellent tribological properties have been considered as important materials used in bearings and bushing, for years. The components’ (PTFE, Kevlar, and the gap between PTFE and Kevlar) distribution of the PTFE/Kevlar fabric is uneven due to the textile structure controlling the wear process and behavior. The components’ area ratio on the worn surface varying with the wear depth was analyzed not only by the wear experiment, but also by the theoretical calculations with our previous wear geometry model. The wear process and behavior of the PTFE/Kevlar twill fabric were investigated under dry sliding conditions against AISI 1045 steel by using a ring-on-plate tribometer. The morphologies of the worn surface were observed by the confocal laser scanning microscopy (CLSM). The wear process of the PTFE/Kevlar twill fabric was divided into five layers according to the distribution characteristics of Kevlar. It showed that the friction coefficients and wear rates changed with the wear depth, the order of the antiwear performance of the previous three layers was Layer III>Layer II>Layer I due to the area ratio variation of PTFE and Kevlar with the wear depth.

Słowa kluczowe

EN

fabric; polytetrafluoroethylene; PTFE; kevlar; wear process; confocal laser scanning microscopy; CLSM

PL

tkanina; politetrafluoroetylen; PTFE; teflon; Kevlar; proces zużycia; mikroskopia konfokalna; CLSM

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2017
• Tom: Vol. 17, no. 4
• Strony: 295--302
• Opis fizyczny: Bibliogr. 18 poz.

Twórcy

autor

Gu D.

• Aviation Key Laboratory of Science and Technology on Generic Technology of Self-lubricating Spherical Plain Bearing, Yanshan University, Qinhuangdao 066004, Hebei, China
• College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China

autor

Fan B.

• College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
• Aviation Key Laboratory of Science and Technology on Generic Technology of Self-lubricating Spherical Plain Bearing, Yanshan University, Qinhuangdao 066004, Hebei, China

autor

Li F.

• College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
• Aviation Key Laboratory of Science and Technology on Generic Technology of Self-lubricating Spherical Plain Bearing, Yanshan University, Qinhuangdao 066004, Hebei, China

autor

Yang Y.

• College of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China
• Aviation Key Laboratory of Science and Technology on Generic Technology of Self-lubricating Spherical Plain Bearing, Yanshan University, Qinhuangdao 066004, Hebei, China

autor

Chen S.

• Department of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China

Bibliografia

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Uwagi

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