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Investigations of the high-temperature deformation behaviour and fatigue mechanisms of cemented carbide inserts during cutting 508III steel

Investigations of the high-temperature deformation behaviour and fatigue mechanisms of cemented... This paper describes high-temperature deformation experiments and analyses of both metallic material and YT15 cemented carbide. We then conducted water-chamber head field milling experiments, from which we discovered that failures of the round inserts are generally attributable to wear and fracture. We used the thermal expansion coefficient, material properties of the inserts, and billets and cutting parameters to simulate the process of cutting water-chamber heads (508III steel) with a round insert. In combination with the simulation result, we assessed the influence of cutting force, cutting heat, and insert deformation on insert failure, and we also investigated the insert failure mechanism while cutting water-chamber heads. Ultimately, we were able to analyse the influence of different milling conditions on insert failure. We tested the cutting performances of five types of inserts so as to optimise the insert structure and coating. [Received 26 January 2015; Revised 13 March 2015; Accepted 29 July 2015] Keywords: high-temperature deformation; failure mechanism; cemented carbide; 508III steel. Reference to this paper should be made as follows: Liu, L., Cheng, Y., Wang, T., Han, Y. and Xu, M. (2015) ` mechanisms of cemented carbide inserts during cutting 508III steel', Int. J. Manufacturing Research, Vol. 10, No. 4, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Manufacturing Research Inderscience Publishers

Investigations of the high-temperature deformation behaviour and fatigue mechanisms of cemented carbide inserts during cutting 508III steel

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References (17)

Publisher
Inderscience Publishers
Copyright
Copyright © 2015 Inderscience Enterprises Ltd.
ISSN
1750-0591
eISSN
1750-0605
DOI
10.1504/IJMR.2015.074819
Publisher site
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Abstract

This paper describes high-temperature deformation experiments and analyses of both metallic material and YT15 cemented carbide. We then conducted water-chamber head field milling experiments, from which we discovered that failures of the round inserts are generally attributable to wear and fracture. We used the thermal expansion coefficient, material properties of the inserts, and billets and cutting parameters to simulate the process of cutting water-chamber heads (508III steel) with a round insert. In combination with the simulation result, we assessed the influence of cutting force, cutting heat, and insert deformation on insert failure, and we also investigated the insert failure mechanism while cutting water-chamber heads. Ultimately, we were able to analyse the influence of different milling conditions on insert failure. We tested the cutting performances of five types of inserts so as to optimise the insert structure and coating. [Received 26 January 2015; Revised 13 March 2015; Accepted 29 July 2015] Keywords: high-temperature deformation; failure mechanism; cemented carbide; 508III steel. Reference to this paper should be made as follows: Liu, L., Cheng, Y., Wang, T., Han, Y. and Xu, M. (2015) ` mechanisms of cemented carbide inserts during cutting 508III steel', Int. J. Manufacturing Research, Vol. 10, No. 4,

Journal

International Journal of Manufacturing Research – Inderscience Publishers

Published: Jan 1, 2015

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