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ESWA3430No.ofPages6,Model5GARTICLEINPRESS6February2009DiskUsedExpertSystemswithApplicationsxxx(2009)xxx–xxx1ContentslistsavailableatScienceDirectExpertSystemswithApplicationsjournalhomepage:www.elsevier.com/locate/eswa2Adecisionsupportsystemforcoatingselectionbasedonfuzzylogic3andmulti-criteriadecisionmakinga,b,14GeorgiosAthanasopoulos*,CarlesRibaRomeva5aDepartmentofProjectEngineering,TechnicalUniversityofCatalonia,Spain6bCentredeDissenyd’EquipsIndustrials(CDEI),TechnicalUniversityofCatalonia,Spain7articleinfoabstract1891110Keywords:Wearandcorrosionarethemostimportantfactorsthatthesurfaceoftheengineeringpartsmustcon-1912Decisionsupportfront.Theneedforprotectionandimprovementofthemechanicalcharacteristicsofthesurfaceofengi-2013Coatingselectionneeringpartscanbetosomeextentsatisfiedbycoatings.Coatingsareconsideredasanexcellentsolution2114Qualitativeandquantitativepropertieswhenresistancetocorrosion,oxidationorlowfrictionisdemanded,butduethecomplexityofselecting2215Fuzzysetstheappropriateone,engineersoftenavoidthem.Theneedforsimultaneousconsiderationofqualitative2316Multi-criteria2417andquantitativeproperties,rendertheuseofclassicmaterialselectiontheoriesinadequate.Anexpertsystemforcoatingselectionispresentedinthispaper,whichcanhandlebothqualitativeandquantita-25tivevariables.Themathematicalmodelusedcombinesthemulti-criteriadecisionmakingtheories26(MCDM)togetherwiththefuzzysetstheory.The‘‘Max-Minset”methodisappliedtocalculatetheorder-27ingvalueofthealternativeswhiletheTOPSISmethodisusedtorankthem.Anumericalexampleispro-28videdtoillustratethemethod.Finally,theprocesspresentedcanbeeasilycomputerized,tocreatethe29relativesoftware.30Ó2009PublishedbyElsevierLtd.313233341.Introductionbetweenthesubstrateandtheenvironment.Resuminginafew53linestheattributesofcoatings,itcanbesaidthattheycanprovide5435Mechanicalpartsinengineeringapplicationsusuallyhavetoresistanceagainstcorrosion,oxidation,wearandalsoprovidether-5536enduremorethanasin
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