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SURFACE PREPARATION OF COMPOSITES.

CORDIS bietet Links zu öffentlichen Ergebnissen und Veröffentlichungen von HORIZONT-Projekten.

Links zu Ergebnissen und Veröffentlichungen von RP7-Projekten sowie Links zu einigen Typen spezifischer Ergebnisse wie Datensätzen und Software werden dynamisch von OpenAIRE abgerufen.

Verwertbare Ergebnisse

The aim of the programme was to optimize several metallization processses of composite surfaces in order to improve their electrical and mechanical properties. These were 3 dry processes: silver and aluminium sputtering, chromium and silicon reactive sputtering, aluminium and zinc flame spraying, and 1 wet process: electroless plating of nickel before silver electrodeposition. A new surface activating process by Corona treatment has been evaluated as pretreatment for composite adhesive bonding. The studies are finished and the optimization of the metallization processes has been completed. Characterization test results allowed the appearance of fields of application for each process. Among them aluminium and silver sputtering, and chromium and silicon reactive sputtering are the more suitable to be industrially applied on composite surfaces. Aluminium and zinc thermal spraying can be used for repairs of metallization. Silver electrodeposition on electroless plated nickel is a process very difficult to apply on an industrial scale. Corona treatment needs further investigation to confirm its ability to improve composite bonding properties.

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