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General Information
    • ISSN: 1793-8198
    • Frequency: Quarterly
    • DOI: 10.18178/IJMMM
    • Editor-in-Chief: Prof. K. M. Gupta, Prof. Ian McAndrew
    • Executive Editor: Ms. Cherry L. Chen
    • Abstracting/Indexing: EI (INSPEC, IET), Chemical Abstracts Services (CAS), Engineering & Technology Digital Library,  ProQuest, Crossref, Ulrich's Periodicals Directory, and Electronic Journals Library .
    • E-mail ijmmm@ejournal.net
Editor-in-chief
Prof. Ian McAndrew
Embry Riddle Aeronautical University, UK.
It is my honor to be the editor-in-chief of IJMMM. I will do my best to help develop this journal better.

IJMMM 2013 Vol.1(1): 76-79 ISSN: 1793-8198
DOI: 10.7763/IJMMM.2013.V1.16

Influence of Cutting Conditions on Chip Formation When Turning ASSAB DF-3 Hardened Tool Steel

Adam Umar Alkali, Noordin Mohd Yusof, Mohamed Handawi Sa’ad Elmunafi, and Hasan Fawad
Abstract—Machining investigations were made on ASSAB DF-3 oil hardened tool steel HRC 45 using wiper coated ceramic tool. Both cutting speed and feed rates were purposely and continually changed to enable investigations performed at various cutting combination. Both cutting speed and feedrate were found to influence the formation of saw tooth shape on the chip from a non-saw tooth shape. The chip forms collected were observed using digital camera and optical microscope and were studied in terms of their form, thickness and micro hardness. The saw- tooth chip obtained in this study was a result of some interrelated mechanisms such as localized shear, adiabatic shear and also as a catastrophic shear in the form of extensive cracks. A relationship was established between the chip geometry and the cutting conditions.

Index Terms—Chip, cutting speed, feed rate, and saw tooth.

Adam Umar Alkali and Hasan Fawad Junejo are with the Department of Mechanical Engineering at the Universiti Technologi PETRONAS, Malaysia (email: adamu_g01876@petronas.edu.my).
Noordin Mohd. Yusof is with the Department of Manufacturing and Industrial Engineering, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia (UTM), Skudai, Johor.
Mohamed Handawi Sa’ad Elmunafi is with the Department of Mechanical Engineering at the University Technology Malaysia.

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Cite:Adam Umar Alkali, Noordin Mohd Yusof, Mohamed Handawi Sa’ad Elmunafi, and Hasan Fawad, "Influence of Cutting Conditions on Chip Formation When Turning ASSAB DF-3 Hardened Tool Steel," International Journal of Materials, Mechanics and Manufacturing vol. 1, no. 1, pp. 76-79, 2013.

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