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The HPC-vane is the first serial MIM application in high pressure compressor (HPC) of a turbine engine. The part substitutes a forged part without any reductions in performance. Schunk as the MIM producer had to develop based on its standard MIM process a technology that fullfills all requirements of aerospace industry in quality assurance, reproducibility and traceability. The most important challenge was the guarantee the shape stability of the aerofoil and the prevention of contamination of the material with carbon, oxygen and nitrogen along the process from powder production up to the sintered part. Additionally as well as material, the part itself had to be released by a process of several gates and engine tests of aerospace industry. Finally Schunk could pass all the gates and opens a new field of business. Further stages of HPC-vanes (different shapes and dimensions) are in preparation.
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