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Journals / Celal Bayar Üniversitesi Fen Bilimleri Dergisi / 2025 / Cilt: 21 Sayı: 4

Comparison of Tribological Performance of Polyoxymethylene/Graphite Composite and Pure Polyoxymethylene Polymer

Hüseyin Ünal(SAKARYA UNIVERSITY OF APPLIED SCIENCES)0000-0003-0521-6647
Salih Hakan Yetgin(TARSUS ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, MAKİNE MÜHENDİSLİĞİ BÖLÜMÜ)0000-0002-6068-9204
Sinan Köse(TARSUS UNIVERSITY, TARSUS VOCATIONAL SCHOOL, DEPARTMENT OF TECHNICAL PROGRAM)0000-0002-6224-3388
Pages
43–50
Publication Date
2025-12-29
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

Experimental results showed that the coefficient of friction (COF) of the POM and POM+10%Gr polymers decreased with increasing applied load.

📌 3 Key Takeaways

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Objective & Hypothesis:The friction and wear characteristics of engineered thermoplastics, namely unfilled polyoxymethylene (POM) and 10% graphite-filled polyoxymethylene (POM+10%Gr), sliding on steel under dry conditions were investigated using a pin-on-disc tribometer.
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Key Findings & Data:The influence of applied load and sliding speed on the tribological properties of POM and POM+10%Gr on a steel counterface under dry sliding conditions was examined.
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Conclusion & Impact:Experimental results showed that the coefficient of friction (COF) of the POM and POM+10%Gr polymers decreased with increasing applied load.
🔬Design:Araştırma Makalesi
📍Scope:Comprehensive Sample
⚙️Variables:Friction · Graphite · POM

Abstract

The friction and wear characteristics of engineered thermoplastics, namely unfilled polyoxymethylene (POM) and 10% graphite-filled polyoxymethylene (POM+10%Gr), sliding on steel under dry conditions were investigated using a pin-on-disc tribometer. The influence of applied load and sliding speed on the tribological properties of POM and POM+10%Gr on a steel counterface under dry sliding conditions was examined. Experimental results showed that the coefficient of friction (COF) of the POM and POM+10%Gr polymers decreased with increasing applied load. In addition, the wear rate (WR) values of the POM and POM+10%Gr polymers decreased with the increase in applied load. However, for all polymers, the specific wear rate values exhibited an increase with the rise in sliding speed. The best polymer material is found which is POM+10%Gr with respect to friction and wear behavior in this study. The worn surfaces of the engineering thermoplastics were investigated by optical microscope. Optical micrographs indicated that adhesive wear was the predominant wear process under dry sliding circumstances.

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Cite This Article

Ünal, H., Yetgin, S. H., Köse, S. (2025). Comparison of Tribological Performance of Polyoxymethylene/Graphite Composite and Pure Polyoxymethylene Polymer. Celal Bayar Üniversitesi Fen Bilimleri Dergisi, Cilt: 21 Sayı: 4, 43–50. https://doi.org/10.18466/cbayarfbe.1614044

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