Title: Decision making model for material selection using a hybrid MCDM technique

Authors: Sarojini Jajimoggala; Ram Rahul Karri

Addresses: Mechanical Engineering, GIT, GITAM University, Visakhapatnam-530045, A.P, India ' Indian Navy, Visakhapatnam-530045, India

Abstract: In today's market place, the selection of material for a particular application is a challenging task, as the selected material directly determines the visible quality and the cost of the product. The large number of available materials, together with the complex relationships between various selection parameters, often makes the selection process a difficult task. For these reasons, MCDM has been found to be a useful approach to solve this kind of problem. In this work, a user friendly two-stage decision support hybrid MCDM model is developed. The first stage is to prioritise the different criteria using and the second stage is to select the material using TOPSIS. An example is solved to illustrate the effectiveness and feasibility of the suggested model to the material selection for an impellor and AISI 4340 was found to be the best material alternative based on the given priorities of the criteria.

Keywords: materials selection; fuzzy AHP; analytical hierarchy process; FAHP; order preference; similarity; TOPSIS; multicriteria decision making; MCDM; impeller materials.

DOI: 10.1504/IJADS.2013.053273

International Journal of Applied Decision Sciences, 2013 Vol.6 No.2, pp.144 - 159

Received: 17 May 2012
Accepted: 29 Nov 2012

Published online: 28 Nov 2013 *

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