Influence of carbon nanotube content on tribological behavior of high density polyethylene
Publish place: 10th joint meeting of the 5th International Conference on Materials and Metallurgical Engineering Society and Iranian Foundry Society
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
IMES10_351
تاریخ نمایه سازی: 6 اردیبهشت 1396
Abstract:
Surface modified multi-walled carbon nanotubes (MWCNTs) were added to high density polyethylene (HDPE) to enhance its mechanical and tribological properties. CNT/HDPE composites were fabricated by mechanical jar milling of MWCNTs and HDPE powders, followed by compression molding of the composite powder. This fabrication process resulted in uniform dispersion of CNTs in the matrix. Vickers microhardness evaluation indicated gradual increase in hardness by incorporation of CNTs. Pin on disc wear tests was performed to evaluate tribological properties of the fabricated samples. The results showed that addition of CNTs decreased average mass loss and increased coefficient of friction of HDPE. Worn surfaces also were observed and analyzed by scanning electron microscope (SEM) in order to explain the changes in tribological properties
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Authors
majid Mokarizadeh
Graduate Student Department of materials science and engineering, School of engineering, Shiraz University, Shiraz, Iran
Seyed Mojtaba Zebarjad
Professor, Department of materials science and engineering, School of engineering, Shiraz University, Shiraz, Iran
Ramin Ebrahimi
Professor, Department of materials science and engineering, School of engineering, Shiraz University, Shiraz, Iran
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