Materials selection for an engineering application using multiple-criteria decision analysis
Journal Title: Proceedings in Manufacturing Systems - Year 2015, Vol 10, Issue 3
Abstract
The process of choosing materials for one part is always a difficult task, due to the large variety of materials and manufacturing processes. The complex list of requests defining the appropriate material leads to a multicriteria problem. The selection methods must have materials databases and resources for comparing objectively specific materials according to a set of requests. Systematic methods for material selection were developed and implemented in selection programs. The interaction between function, material, shape and process is an important issue in the material selection process. All materials and processes are candidates, requiring a procedure which allows access to data. At the beginning of the design process, the goal of the selection softwares is to establish the best materials. The material for components of machine tools requires special attention for the coefficient of expansion, vibration absorption and strength. Decisions for a given problem are made by using methods of decision making to eliminate unsuitable alternatives and to select the most suitable alternative. A decision matrix method is a formalized procedure by which materials are classified considering the selection decision. In this paper a method is used to identify the best solution for conventional and alternative materials used in machine tool structures.
Authors and Affiliations
Cătălin GHEORGHIȚĂ, Vlad GHEORGHIȚĂ
Keywords
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