Abrasive wear and frictional behavior of polyoxymethylen

Funda Kahraman; Uğur Esme; Mustafa Kemal Kulekci; Seref Ocalir

doi:10.3139/120.111083

Article

Abrasive wear and frictional behavior of polyoxymethylen

Funda Kahraman , Uğur Esme , Mustafa Kemal Kulekci and Seref Ocalir

Published/Copyright: October 2, 2017

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From the journal Materials Testing Volume 59 Issue 10

Abstract

In the present study, abrasive wear and frictional behaviors of polyoxymethylene were investigated experimentally. To realize this, a test apparatus was designed and fabricated. Wear tests were carried out under dry conditions at room temperature. A central composite design was used to describe response and to estimate the parameters in the model. An empirical model had been developed to predict wear loss as a function of applied load and sliding distance. Friction coefficient decreases with increase in applied load. On the other hand, it is also found that friction coefficient increases with the increase in sliding velocity.

Kurzfassung

In der diesem Beitrag zugrundeliegenden Studie wurde der Abrasivverscheiß und das Reibverhalten von Polyoxymethylen experimentell untersucht. Um dies zu erreichen, wurde ein Versuchsaufbau designt und erstellt. Die Verschleißversuche wurden unter trockenen Bedingungen und bei Raumtemperatur durchgeführt. Es wurde außerdem ein empirisches Modell entwickelt, um den Verschleißverlust als Funktion der aufgebrachten Kraft und der Reibdistanz vorherzusagen. Dabei wurde ein zentrales Kompositdesign verwendet, um die Antwort zu beschreiben und die Parameter in dem entsprechenden Modell abzuschätzen. Der Reibkoeffizient nimmt mit zunehmender aufgebrachter Last ab. Auf der anderen Seite wurde auch ermittelt, dass der Reibkoeffizient mit steigender Reibgeschwindigkeit zunimmt.

*Correspondence Address, Associate Prof. Dr. Ugur Esme, Technology Faculty, Mersin University, 33400 Tarsus-Mersin, Turkey, E-mail: uguresme@gmail.com

Dr. Funda Kahraman is Associate Professor in the Technology Faculty at Mersin University, Tarsus, Turkey. She received her BSc and her MSc degrees from the Department of Metallurgical and Material Science Engineering in the Engineering Faculty at the İstanbul Technical University, Turkey and her PhD degree from the Department of Mechanical Engineering in the Engineering and Architecture Faculty at Çukurova University, Adana, Turkey. Her research areas include material sciences, surface treatments, welding and machinability of materials.

Associate Prof. Dr. Uğur Esme, born in 1973, is working at Mersin University, Technology Faculty, Tarsus, Turkey. He obtained his PhD degree from the Department of Mechanical Engineering, Çukurova University, Adana, Turkey, in 2006. His research areas include CAD/CAM technology, welding, modeling, designing and water jet cutting applications.

Prof. Mustafa Kemal Kulekci, born in 1968, is Professor at Mersin University, Tarsus Technology Faculty, Tarsus, Turkey. He obtained his PhD degree from Gazi University, Ankara, Turkey in 2000. His research interests include CAD/CAM, friction stir welding, machinability of materials and water jet cutting applications.

Seref Ocalir, born in 1982, is working as a research assistant at Mersin University Graduate School of Natural and Applied Sciences, Turkey. He obtained his BSc and MSc degrees from Mersin University, Turkey in 2006 and 2009, respectively. His research interests include friction stir welding, machinability of materials, design and corrosion.

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Published Online: 2017-10-02

Published in Print: 2017-10-04

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https://doi.org/10.3139/120.111083