Startseite Artificial neural network approach to predict ion nitrided case depth and surface hardness of AISI 4340 steel
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Artificial neural network approach to predict ion nitrided case depth and surface hardness of AISI 4340 steel

  • Sule Y. Sirin und Melih İnal
Veröffentlicht/Copyright: 28. Mai 2019
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Abstract

Since surface hardness affects wear resistance and case depth affects fatigue strength, the optimum value of both is extremely important with respect to the area of use. The aim of this study was to investigate the possibility of predicting case depth and surface hardness in ion nitrided AISI 4340 steels as a function of process time and temperature by using artificial neural networks and to obtain useful case depth and surface hardness data from an artificial neural networks model. Two projections were created for ion nitrided case depth and surface hardness, both depending on process time and temperature, and the conclusion was reached that the experimental data provides sufficient predictability regarding the artificial neural networks model. In the multilayer perceptron artificial neural networks architecture designed, two outputs (case depth and surface hardness) were determined in the same network according to the inputs, thus providing the integrity of the system characterization. The system was created by means of a Matlab simulink graphical user interface, which determined the artificial neural networks outputs according to the specified input with the purpose of visualizing the process. Different input values could be entered for visually determining the output values of the process.


*Correspondence Address, Prof. Dr. Melih İnal, Department of Informatics, Kocaeli University, Umuttepe Campus, 41380 Kocaeli, Turkey, E-mail: ,

Assist. Prof. Dr. Sule Yildiz Sirin, born in 1970, graduated from the Department of Mechanical Engineering at Yıldız Technical University, Istanbul, Turkey in 1992. She received her MSc and PhD degrees in the Mechanical Engineering Department of Kocaeli University, in 1996 and 2004, respectively. She is presently employed as Assistant Professor at the Vocational School of Asım Kocabıyık, Kocaeli University, Kocaeli, Turkey. Her research areas are the mechanical properties of materials, welding and surface engineering.

Prof. Dr. Melih İnal, born in 1971, graduated from the Electronics and Computer Education Department of Marmara University, Istanbul, Turkey in 1993. He received his MSc degree at the Electronics and Computer Education Department of Kocaeli University, Turkey in 1996. He received his PhD degree in Electrical Education from that university in 2001. He is presently Professor in the Department of Informatics at Kocaeli University Kocaeli, Turkey. His research areas are pattern recognition, soft computing, machine learning and information systems.


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

© 2019, Carl Hanser Verlag, München

Heruntergeladen am 19.10.2025 von https://www.degruyterbrill.com/document/doi/10.3139/120.111356/html?lang=de
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