Editorial Multicriteria Decision Analysis in Material Design,...

EditorialMulticriteria Decision Analysis in Material Design,Selection, and Manufacturing

Ali Jahan,1 Kevin L. Edwards,2 Abbas S. Milani,3 and Marjan Bahraminasab4

1Department of Industrial and Mechanical Engineering, Islamic Azad University, Semnan Branch, Semnan, Iran2Institution of Engineering Designers, Courtleigh, Westbury Leigh, Wiltshire BE13 3TA, UK3School of Engineering, University of British Columbia, Kelowna, Canada V1V 1V74Department of Materials Science and Engineering, Buein Zahra Technical University, Buein Zahra, Qazvin, Iran

Correspondence should be addressed to Ali Jahan; a.jahan@semnaniau.ac.ir

Received 17 May 2015; Accepted 18 May 2015

Copyright © 2015 Ali Jahan et al.This is an open access article distributed under the Creative CommonsAttribution License, whichpermits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

The selection of a material for a specific engineering applica-tion necessitates that many criteria are satisfied at the sametime. This can be a lengthy and expensive process, and oftenthe final selection is based on compromise between advan-tages and disadvantages of candidate materials. Recently,multicriteria decision analysis has demonstrated significantcapability and improvements in tackling complex engineer-ing design problems. It has also begun to find applications inthe optimization of advanced classes of materials, as well asmaterial tailoring for a specific design, in addition to conven-tionalmaterials selection problems.Themain objective of thisSpecial Issue is to provide a forum for discussing state-of-the-art and novel ideas for producing added-value engineeringproducts by concentrating on multicriteria decision analysisinmaterial design, selection, andmanufacturing.This SpecialIssue presents a judicious collection of recent research paperson both methodological and application aspects of strategicmaterials selection.

In the paper entitled “Intergranular Corrosion of LowCr Ferritic Stainless Steel 429 Evaluated by the OptimizedDouble Loop Electrochemical Potentiokinetic ReactivationTest,” the degree of sensitization to intergranular corrosionof FSS 429, which contains the interstitials of 0.017 wt.%C and 0.0048wt.% N and the stabilizers of 0.12 wt.% Tiand 0.32wt.% Nb, is investigated using double loop electro-chemical potentiokinetic reactivation test. The objective isto determine the optimum conditions (including electrolyte

concentration, scan rate, and temperature) leading to aquantitative evaluation of the IGC susceptibility of FSS 429;then the specimens with different heat treatment have beentested in order to plot the time-temperature-sensitizationcurve of FSS 429. The paper entitled “A Fuzzy Delphi-Analytical Hierarchy Process Approach for Ranking of Effec-tive Material Selection Criteria” is mainly a theoretical analy-sis in improving the decision-making processes for materialsselection problems. An example is presented to demonstratethe proposed method. In the paper entitled “The Effectsof Various Additive Components on the Sound AbsorptionPerformances of Polyurethane Foams,” flexible polyurethanefoams with varying amounts of additive components aresynthesized to improve sound damping and absorption.A two-microphone impedance tube has been applied tomeasure the sound absorption and transmission loss. Inthe paper entitled “Structure Optimization and NumericalSimulation of Nozzle for High Pressure Water Jetting,” threekinds of nozzles normally used in industrial production arenumerically simulated, and the structure of nozzle with thebest jetting performance out of the three nozzles is optimized.In the paper entitled “Multicriteria Decision Analysis inImprovingQuality of Design in Femoral Component of KneeProstheses: Influence of Interface Geometry and Material,”quality tools including QFD and DOE combined with FEAand the multicriteria decision analysis method are used forsimultaneous component geometry and materials selection.

Hindawi Publishing CorporationAdvances in Materials Science and EngineeringVolume 2015, Article ID 818095, 2 pageshttp://dx.doi.org/10.1155/2015/818095

2 Advances in Materials Science and Engineering

In the final ranking of alternatives, the use of FGM wasrated higher than conventional Co-Cr in the design of a newfemoral component.

By bringing together these key research papers in aspecial issue, the Guest Editors hope to enrich the journalreaders with respect to the latest observations of multicriteriadecision analysis in material design, selection, and manufac-turing.

Acknowledgments

The quality of the published papers owes to the authors’excellence in research as well as the constructive feedbackand comments received from the anonymous reviewers. Wewould like to express our sincere gratitude to all them for theirgreat support in making this Special Issue possible.

Ali JahanKevin L. EdwardsAbbas S. Milani

Marjan Bahraminasab

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Editorial Multicriteria Decision Analysis in Material Design,...

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