In this paper, the scope of the European Airline Committee for Materials Technology (EACMT) subcommittee was to standardize how thermal spray coatings are evaluated. In 1997, the EACMT working group defined the objectives for the sub working group for reviewing the total evaluation system of thermal spray coatings. Standardization of testing and manufacturing processes is a very important goal as all industries become more global in both the technical and business sense. The processes involved in the repair of aircraft engines are no exception to this world-wide trend. Original equipment manufacturers for the selection of thermal spray materials, laboratories are forced to use various criteria and systems for the examination and analysis of thermal spray coatings. Excellent progress has been made in elimination of non-value added test methods and special emphasis is being placed on defining a system for preparation of metallographic specimens and microstructural evaluation. Paper includes a German-language abstract.

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