Analysis of Tool Wear while Milling Hybrid Metal Matrix Composites

Abstract:

In the present work, an attempt has been made to analyze the factors influencing tool wear while milling Al/Al₂O₃/Gr particulate composites. Materials used for the present investigation are Al 6061-aluminium alloy reinforced with alumina (Al₂O₃) of size 45 microns and graphite (Gr) of an average size 60 microns, which are produced by stir casting route. Central composite design (CCD) was employed in developing the tool wear model in relation to machining parameters such as feed rate, cutting speed, depth of cut and weight fraction of Alumina. From the Analysis of variance (ANOVA), it is found that feed is the dominant parameter for tool wear whereas weight fraction of alumina shows minimal effect on tool wear compared to other parameters. From the Scanning Electron Microscope (SEM), the Al₂O₃ and Gr particles get adhered to the tool surface owing to the high pressure generated at the tool-workpiece interface.

• Periodical: Applied Mechanics and Materials (Volumes 813-814)
• Pages: 279-284
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.813-814.279
• Online since: November 2015
• Authors: A. Arun Premnath, P. Suryatheja, A. Srinath, S. Karthikeyan
• Keywords: Hybrid Composites, Milling, PCD Insert, RSM

References

[1] A. Arun Premnath, T. Alwarsamy, Evaluation of Mechanical Properties Of Aluminium Alumina Composites, International Journal Of Mechanical And Materials Engineering. 8 (1) (2013) 9-13.

[2] A. Arun Premnath, T. Alwarsamy, T. Rajmohan, Experimental investigation and optimization of process parameters in Milling of hybrid metal matrix composites, Materials and Manufacturing Processes. 27 (10) (2012a) 1035-44.

DOI: 10.1080/10426914.2012.677911

[3] K. Palanikumar, R. Karthikeyan, Assessment of factors influencing surface roughness on the machining of Al/SiC particulate composites, Materials and Design. 28 (2007) 1584–1591.

DOI: 10.1016/j.matdes.2006.02.010

[4] M. Ramulu, D. Kim, H Kao, Experimental study of PCD tool performance in drilling Al2O3/6061 metal matrix composites, SME Technical Paper. 171 (2003)1–7.

[5] K. PalaniKumar, N. Muthukrishnan, K.S. Hariprasad, Surface Roughness Parameters Optimization In Machining A356/Sic/20p Metal Matrix Composites By Pcd Tool Using Response Surface Methodology And Desirability Function, Machining Science and Technology. 12(4) (2008).

DOI: 10.1080/10910340802518850

[6] J. P Davim, Diamond tool performance in machining metal–matrix composites, Journal of Materials Processing and Technology. 128 (2002) 100–105.

DOI: 10.1016/s0924-0136(02)00431-4

[7] A. Arun Premnath, T. Alwarsamy, T. Rajmohan, Experimental Investigation on Hardness, Cutting Force and Roughness in Milling of Hybrid Composites, International Review of Mechanical Engineering. 26(1) (2012b) 44-49.

[8] D.C. Montgomery, Design and analysis of experiments. Wiley, New York, (2001).

[9] N.P. Hung, F.Y.C. Boey, K.A. Khor, Y.S. Phua, H.F. Lee, Machinability of aluminum alloys reinforced with silicon carbide particulates, Journal of Materials Processesing Technology. 56 (1996) 966–977.

DOI: 10.1016/0924-0136(95)01908-1

[10] R. Karthikeyan, K. Raghukandan, R.S. Naagarazan, B.C. Pai, Optimizing the Milling Characteristics of AI-SiC Particulate Composites, Metals and Materials. 6 (2000) 539- 547.

DOI: 10.1007/bf03028096

[11] C. J. E. Andrewes, H.Y. Feng, W.M. Lau, Machining of an Aluminium/SiC composite using Diamond inserts, Journal of Materials Processesing Technology. 102 (2000) 25-29.

DOI: 10.1016/s0924-0136(00)00425-8

[12] S. Basavarajappa, Tool Wear in Turning of Graphitic Hybrid Metal Matrix Composites, Materials and Manufacturing Processes. 24(4) (2009) 484-487.

DOI: 10.1080/10426910802714431