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Effects of ball burnishing on the surface quality of Al 7075 alloy

  • Suleyman Cinar Cagan and Berat Baris Buldum
Published/Copyright: October 30, 2019
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Abstract

The surface roughness of a part produced plays a critical role in influencing functional properties such as corrosion behavior, fatigue strength, and wear resistance. Therefore, it is very important to improve the surface roughness of Al 7075−T6 material, which is frequently used in the aerospace industry. For this reason, the finishing process, used to improve the surface quality of the parts in an easy, inexpensive and chipless manner, has recently become an interesting research topic. In this study, a ball burnishing apparatus was designed and experiments were carried out at different parameters (force, feed rate and number of passes) for the purpose of improving the surface quality of the parts. For the design of the experiments, the Taguchi method was used, thus saving time and cost savings and reducing the number of experiments required. Variance analysis (ANOVA) was performed and the effect contribution of the parameters on surface quality were obtained. As a result of the experiments, it was found that force, feed rate and the number of passes were important factors.


*Correspondence Address, Suleyman Cinar Cagan, Department of Mechanical Engineering, Engineering Faculty, Mersin University, 33343 Ciftlikkoy, Mersin, Turkey, E-mail:

Res. Asst. Suleyman Cinar Cagan was born in 1988. He graduated from Mersin University (Turkey) in 2011. He received his MSc at Mersin University, Turkey, in 2015. He has been working as a research assistant in the Department of Mechanical Engineering, Faculty of Engineering, Mersin University in Turkey since 2013. His main interests include material science, machinability of super alloys and lightweight materials.

Asst. Prof. Berat Baris Buldum is at the Department of Mechanical Engineering of Mersin University inTurkey. His research areas include machinability, metals and composites, design and construction. He has been working at the Advanced Technology Education, Research and Application Center at Mersin University since 1997.


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Published Online: 2019-10-30
Published in Print: 2019-11-04

© 2019, Carl Hanser Verlag, München

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