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International Journal of Aerospace Engineering
Volume 2011, Article ID 985871, 11 pages
Research Article

Autoclaves for Aerospace Applications: Issues and Challenges

1Council of Scientific and Industerial Research National Aerospace Laboratories (CSIR-NAL), Bangalore 560017, India
2Centre for Societal Missions and Special Technologies, CSIR-NAL, Bangalore 560017, India
3Advanced Composites Division, CSIR-NAL, Bangalore 560017, India

Received 15 February 2011; Accepted 6 April 2011

Academic Editor: R. Ganguli

Copyright © 2011 A. R. Upadhya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The Council of Scientific and Industerial Research National Aerospace Laboratories (CSIR-NAL), Bangalore, India has been engaged in the research of autoclaves for the past three decades and has pioneered their development and usage in India for aerospace/aircraft structural applications. The autoclaves at CSIR-NAL have played a significant role in all the major national aircraft/aerospace programs. The largest aerospace autoclave in India (working size of 4.4 m diameter and 9.0 m length) has been successfully commissioned at CSIR-NAL. This paper gives the technological challenges faced and the innovative concepts that were introduced in these autoclaves.