1、 Kunststoff-Institut LdenscheidKIMW Prf-und Analyse GmbHDipl.-Ing.Joerg Guenther Karolinenstr.8,58507 Ldenscheid Tel.:02351/1064-162 E-Mail:guentherkimw.de Internet:www.kimw.deAI-supported damage analysis on decorated plastic componentsSurface Design in Plastics Technologyinterior design 1980Audi Qu
2、attroInterior design 2021 Audi RS e-tron GT2024-11-12surfaces and pollution Often the production of plastic components and the coating are not at the same location=many stations from production to the coated component Contamination between plastic and coating can lead to:pimple formation/flow proble
3、ms/blistering/detachment of the coating Contaminants act as a separating layer and usually reduce the surface energy Injection molding itself can also lead to adhesion problems=Guide to molding defects in thermoplastics(www.kimw.shop)2024-11-12Contamination and damage caused by improper handling,Rem
4、oval without clean gloves(sweat,hand creams)silicone teatstorage and transportContamination/abrasion due to unfavorable transport packagingUnprotected storageoil and silicone sprayejector,sliderelease agentpreservation2024-11-12Most common causes of errorswrong materialdiffusing of additives(e.g.ant
5、istatic agents)dirty recycled materialno galvanic/painting typeDeposit formation in the tool(indication=change in roughness)Static charge-dust adhesion2024-11-12Identification-Analysis ProcedurePiercing and cutting,checking the location of the defectMicroscopy,microtome section/micrograph=only parti
6、al analysisIR spectroscopy/microscopy2024-11-12material identification using IR spectroscopy ATR-FTIR(Attenuated Total Reflection)ATR crystalsampleRubber stampPictures:KIMWmaterial testing and damage analysis20222024-11-12material analyses-FTIR2024-11-12Identification-Analysis Procedure Piercing and