Cost Effective Manufacturing Methods for Structural Ceramic Matrix Composite (CMC) Components PUBLIC ACCESS

[+] Author Affiliations
H. Wurtinger, A. Mühlratzer

MAN Technologie AG, Augsburg, Germany

Paper No. 96-GT-296, pp. V005T13A013; 14 pages
  • ASME 1996 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; General
  • Birmingham, UK, June 10–13, 1996
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7876-7
  • Copyright © 1996 by ASME


MAN Technologie AG has been engaged in the field of ceramic matrix composites (C/SiC, SiC/SiC) for approximately 10 years. Two manufacturing methods have been developed with respect to economical series production:

- Chemical Vapour Infiltration Process (CVI) with temperature and pressure gradients

- Liquid Polymer Impregnation (LPI) and Pyrolysis

The advantage of these methods is an essential reduction of process time compared to the conventional isothermal-isobaric CVI method, with equivalent material performance. The main material characterization data, such as strength/strain, thermal shock, dynamic fatigue and high temperature behaviour are described. Several components under development or in low volume preseries production are presented.

Copyright © 1996 by ASME
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