Innovative Quality Control Assessment Methods for Ceramic Matrix Composite (CMC) Components

Award Information
Agency: Department of Defense
Branch: Navy
Contract: N68335-05-C-0071
Agency Tracking Number: N043-249-0263
Amount: $149,742.00
Phase: Phase I
Program: SBIR
Awards Year: 2004
Solicitation Year: 2004
Solicitation Topic Code: N04-249
Solicitation Number: 2004.3
Small Business Information
2760 Beverly Dr., #4, Aurora, IL, 60504
DUNS: 927258277
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Donald Yuhas
 President
 (630) 236-5901
 dyuhas@imsysinc.com
Business Contact
 Marjorie Passini Yuhas
Title: Vice President
Phone: (630) 236-5901
Email: myuhas@imsysinc.com
Research Institution
N/A
Abstract
The fabrication of ceramic matrix composites is a multi-step process requiring careful monitoring and control at each step in the processing cycle. Consistent, high quality components can only be reliably reproduced if a firm foundation is provided by initially insuring the uniformity and consistency of the reinforcing yarns. Although considerable effort has been invested in developing NDE suitable for characterizing green as well as fully consolidated components, much less has been done to characterize the reinforcing yarns. In this Phase I program, we develop and implement in-line testing methods to characterized silicon carbide yarns. Methods are formulated to test both sized and un-sized yarns at the initial stages of the processing cycle. Experiments are performed relating various yarn defects to those found in the partially finished and finished composites. Integration of yarn testing methods into the normal manufacturing process will pay a large dividend in cost reduction, result in more consistent component performance (improved quality), and lead to improved process and product understanding.

* Information listed above is at the time of submission. *

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