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PRODUCTION AND CHARACTERIZATION OF HOT PRESSED AL-NI ALLOYS

1 KARAKULAK Erdem
Co-authors:
1 YAMANOĞLU Rıdvan 1 ZEREN Muzaffer 1 DÜNDAR E. Evren
Institution:
1 Department of Metallurgical and Materials Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, Turkey, erdemkarakulak@kocaeli.edu.tr
Conference:
23rd International Conference on Metallurgy and Materials, Hotel Voronez I, Brno, Czech Republic, EU, May 21 - 23, 2014
Proceedings:
Proceedings 23rd International Conference on Metallurgy and Materials
Pages:
1032-1038
ISBN:
978-80-87294-52-9
ISSN:
2694-9296
Published:
18th June 2014
Proceedings of the conference were published in Web of Science and Scopus.
Metrics:
266 views / 154 downloads
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Abstract

In this study different amounts (up to 15 wt-%) of pure nickel powders were added to pure aluminium powders. The powders were mechanically mixed using a ball mill for 2 hours. Powder mixtures were sintered at 600 ⁰C for 15 minutes in a hot press under vacuum. Microstructures and fracture surfaces of the specimens were investigated using a scanning electron microscope. The density, hardness and wear properties of the sintered compacts were studied. Density and hardness of specimens increased with increasing nickel content. Maximum wear resistance is obtained with addition of 10 wt-% nickel. Worn surfaces of the specimens were investigated to understand the wear mechanisms.

Keywords: Aluminium, Nickel, Hot Pressing, Sintering

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