Abrasive wear behavior of zinc-aluminium alloy - 10% Al2O3 composite through factorial design of experiment

Dr., O. P. Modi and Yadav, R.P. and Mondal, D P and DasGupta, R (2001) Abrasive wear behavior of zinc-aluminium alloy - 10% Al2O3 composite through factorial design of experiment. J. of Materials Science.

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Abstract

Two body abrasive wear behaviour of a zinc-aluminium alloy - 10% Al2O3 composite was studied at different loads (1–7 N) and abrasive sizes (20–275 ¹m) as a function of sliding distance and compared with the matrix alloy. The wear rate of the composite and the matrix alloy has been expressed in terms of the applied load, abrasive size and sliding distance using linear factorial design approach. The study suggests that the wear rate of the alloy and composite follow the following relations: Yalloy D 0:1334¡0:0336x1 C0:0907x2 C0:0219x3 ¡0:0296x1x2 C0:0274x2x3 ¡0:0106x3x1 ¡0:0201x1x2x3 Ycomp D 0:0726¡0:028x1 C0:062x2 C0:03x3 ¡0:024x1x2 C0:028x2x3 ¡0:016x3x1 ¡0:014x1x2x3 where, x1, x2 and x3 are the coded values of sliding distance, applied load and abrasive size respectively. It has been demonstrated through the above equations that the wear rate increases with applied load and abrasive size but decreases with sliding distance. The interaction effect of the variables exhibited a mixed behaviour towards the wear of the material. It was also noted that the effect of load is less prominent for the composite than the matrix alloy while the trend reversed as far as the inﬂuence of the abrasive size is concerned.

Item Type:	Article
Subjects:	Material/Component Development, Processing and Characterization
Divisions:	UNSPECIFIED
Depositing User:	Mr. B.K. Prasad
Date Deposited:	21 Jan 2014 11:22
Last Modified:	26 Feb 2014 06:19
URI:	http://ampri.csircentral.net/id/eprint/1067

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