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Licensed Unlicensed Requires Authentication Published by De Gruyter May 28, 2019

Characterization of boronized AISI 1050 steel and optimization of process parameters

Mete Han Boztepe, Melih Bayramoglu, Cagrı Uzay, Cansu Dagsuyu, Ali Kokangul and Necdet Geren
From the journal Materials Testing

Abstract

In this study, AISI 1050 steel was boronized at temperatures of 800, 850, 900, 950 and 1000 °C for 3, 6, and 9 hours by means of a pack boronizing process. The formation of the boride layer was investigated. The characterization of the boronized surfaces was determined by X-ray diffraction (XRD) analysis and scanning electron microscopy (SEM). Although dual phase, FeB and Fe2B were observed in the boride layer, the intensity of the FeB was slight and collected only near the outer surface which is the desired structural morphology. As the boronizing temperature and holding time strongly affect the results of both boride layer thickness and the surface hardness of the material, multi-objective mathematical models were developed for optimization. Energy consumption during boronizing was also considered. Hence, the optimum values for both temperature and holding time were determined, both of which maximize surface hardness and boride layer thickness while minimizing energy consumption.


*Correspondence Address, Mete Han Boztepe, University of Çukurova, Department of Mechanical Engineering, 01330 Saricam-Adana, Turkey, E-mail: ,

Mete Han Boztepe, born in 1981, received his BSc in 2006 and his MSc in 2014, and enrolled for a PhD in the Mechanical Engineering Department at Cukurova University, Adana, Turkey. He is currently Research Assistant in the Department of Mechanical Engineering, University of Cukurova, Adana, Turkey. His research interests include boronizing, boron, composite materials and manufacturing.

Prof. Dr. Melih Bayramoğlu received his PhD at the University of Birmingham, UK, in Manufacturing and Mechanical Engineering in 1993. He is currently Professor in the Mechanical Engineering Department of Cukurova University in Adana, Turkey. His work at the University involves giving courses and conducting research in the areas of machining, design, water jet cutting, welding and surface treatment.

Cagri Uzay, born in 1989, received his BSc in 2012 and his MSc in 2014, and enrolled in a PhD program in the Mechanical Engineering Department of Cukurova University, Adana, Turkey. He is currently Research Assistant in the Department of Mechanical Engineering, University of Cukurova, Adana, Turkey. His research interests include machine elements design, composite materials and manufacturing.

Dr. Cansu Dagsuyu, born in 1988, received her MSc in 2013 and her PhD degree in 2017 from the Department of Industrial Engineering of Cukurova University. She is currently Asisstant Professor in the Department of Industrial Engineering of Adana Science and Technology University, Adana, Turkey. Her research interests include operation research, simulation, manufacturing process and risk analysis

Prof. Dr. Ali Kokangül, born in 1968, received his MSc in 1994 and his PhD degree in 1998 from the Department of Industrial Engineering of Cukurova University. He is currently Professor in the Department of Industrial Engineering of Cukurova University, Adana, Turkey. His research interests include operation research, simulation, manufacturing process and inventory management

Prof. Dr. Necdet Geren, born in 1963, received his PhD degree in 1993 from the Department of Aeronautical and Mechanical Engineering of the University of Salford, UK. He is currently Professor in the Department of Mechanical Engineering, University of Cukurova, Adana, Turkey. His research interests cover machine design, the design of machine members and the design of manufacturing systems. He is currently working on composite materials.


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Published Online: 2019-05-28
Published in Print: 2019-06-01

© 2019, Carl Hanser Verlag, München