Effect of Sintering Time on Hardness and Wear Behaviours of Carbon Nanotubes Reinforced Aluminium Matrix Composites

• Authors: M. Yıldırım , D. Ozyurek , M. Guru
• Languages of publication: EN

Abstracts

EN

In this study, the effects of sintering time on hardness and wear behaviour were investigated of carbon nanotubes reinforced aluminium matrix composites. 1% multi wall carbon nanotubes (90% purity with 9.5 nm in diameter, 1.5 μm in length) and gas atomized 7075 Al alloy powders were mechanical milled for 120 min in a planetary ball mill. Mechanical milled aluminium composite powders were cold pressed under 520 MPa. Pre-shaped samples were sintered in atmosphere controlled furnace at 580°C for three different sintering times (1, 2, and 3 h). As a result of study, it was observed that the hardness values of composites were decreased with increasing sintering time and the weight loss was decreased. It was determined from worn surface SEM images that adhesive wear mechanisms were dominant.

Keywords

EN

81.20.Ev

Discipline

• 81.20.Ev: Powder processing: powder metallurgy, compaction, sintering, mechanical alloying, and granulation

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 131
• Issue: 1
• Pages: 92-95

Dates

published

2017-01

Contributors

author

M. Yıldırım

• Karabuk University, Technology Faculty, Manufacturing Eng., 78100 Karabuk, Turkey

author

D. Ozyurek

• Karabuk University, Technology Faculty, Manufacturing Eng., 78100 Karabuk, Turkey

author

M. Guru

• Gazi University, Engineering Faculty, Department of Chemical Eng., 06500 Ankara, Turkey

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Identifiers

DOI

10.12693/APhysPolA.131.92