Abstract
Laser straight cutting of zirconia is carried out. Temperature and stress fields developed in the cutting sections are predicted using the finite element code. The morphological changes in the cutting section are examined after incorporating the optical and scanning electron microscopes. The prediction of surface temperature is compared with its counterpart obtained from the thermocouple data. Temperature predictions agree well with the thermocouple data. The cut section is free from major cracks and dross attachment occurs at the kerf exit.
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This paper was recommended for publication in revised form by Associate Editor Haedo Jeong
Bekir Sami Yilbas obtained his B.Sc, M.Sc, and Ph.D degrees in Mechanical Engineering from Birmingham University in UK. He worked at Birmingham, Glasgow, and Erciyes Universities before joining to KFUPM. He is currently a distinguished professor at King Fahd University of Petroleum & Minerals. He published over 475 papers in international journals (ISI) and presented 85 papers in conferences. He served and is currently serving as an editorial board member of seven international journals. He received many awards over the years due to his scientific achievements. Some of these include: President of India’s Prize for 1988, The best researcher awards from KFUPM (1997, 2002, 2007), Silver Jubilee 2005 by Silesian University of Technology, Poland, Doctor of Engineering from Birmingham University (2005), Donald Julius Groen Prize for 2007 from Institution of Mechanical Engineers (IMechE), Manufacturing Industries Division, UK, Professor W. Johson International Gold Medal for 2008 by awarded by the Advances in Materials and Processing Technologies Steering Committee
Syed Sohail Akhtar received his B.S and M.S degrees in Mechanical Engineering from NWFP University of Engineering & Technology, Pakistan in 1996 and 2000, respectively. He then received his Ph.D degree in Mechanical Engineering from King Fahd University of Petroleum & Minerals (KFUPM), Saudi Arabia, in 2008, followed by two-year post-doc fellowship in the same university. He is currently working as Assistant Professor in Mechanical Engineering department at KFUPM. He has published more than 30 technical papers in refereed journals. Dr. Akhtar’s research areas are surface engineering, laser/thermal material processing and applications, materials characterization using modern techniques and applications of finite element analysis in multi-physics problems.
Cihan Karatas received his B.S and M.S. degrees in Materials Engineering from Middle East Technical University, Turkey. He obtained his Ph.D degree from State University of New York at Buffalo-SUNY, Center for Materials Processing. He is presently working as professor at Hacettepe University, Turkey. His research areas include laser-aided materials processing, laser-assisted isotope separation, radiation damage of nuclear materials and gassolid interactions. He has published more than 150 journal papers.
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Yilbas, B.S., Akhtar, S.S. & Karatas, C. Laser straight cutting of zirconia tiles. J Mech Sci Technol 26, 591–599 (2012). https://doi.org/10.1007/s12206-011-1105-5
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DOI: https://doi.org/10.1007/s12206-011-1105-5