Impacts of Carburizing Temperature and Holding Time on Wear of High Speed Steel Cutting Tools.

Afolalu, Sunday A. and Adejuyigbe, Samuel B. and Adetunji, Olajide R. (2015) Impacts of Carburizing Temperature and Holding Time on Wear of High Speed Steel Cutting Tools. International Journal of Scientific & Engineering Research, 6 (5). pp. 905-909. ISSN 2229-5518

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Abstract

The paper presents a report on effects of variation in carburizing temperature and time on cutting tool to enhance its use in engineering applications. 30 pieces of HSS cutting tools (200 x 14 x 14 mm) sizes were used for the project and its composition was analyzed with the UV-VIS spectrometer before carburization. The tools were carburized with pulverized carbon (Palm Kernel Shell) using 25 % Barium trioxocarbonate (V) as an energizer in a muffle treatment furnace of about 1500oC. The performance evaluation of the tool was done by measuring its wear volume, wear resistance, weight loss and wear rate on all the samples (treated and untreated) using Rotopol –V. Minimum wear rate of the tool was 1.095 X 10 -8 cm2/N at carburizing temperature with time of 950oC and 120 minutes, 2.190 X 10 -8 cm2/N at 800oC and 60 minutes while those of the control sample ( untreated) was 1.127 X 10 -8 cm2/N. It can be concluded that the carburized tool has a lower wear rate at high carburizing temperature with time over at low carburizing temperature with time and control (untreated sample) in the tests carried out. The result of the performance evaluation tests corroborated the higher qualities of the carburized cutting tool at high temperature with time over others.

Item Type:	Article
Uncontrolled Keywords:	Cutting tool, tool wear, carburization, machining, wear rate, Perm Kernel Shell, Energizer.
Subjects:	T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery
Divisions:	Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
Depositing User:	Mrs Hannah Akinwumi
Date Deposited:	28 Aug 2018 11:10
Last Modified:	28 Aug 2018 11:10
URI:	http://eprints.covenantuniversity.edu.ng/id/eprint/11438

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