SIC FILAMENTS FROM A PITCH FILAMENT-SILICON SOURCE

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: N/A
Agency Tracking Number: 2660
Amount: $200,000.00
Phase: Phase II
Program: SBIR
Awards Year: 1988
Solicitation Year: N/A
Solicitation Topic Code: N/A
Solicitation Number: N/A
Small Business Information
150 N Stone, Tucson, AZ, 85701
DUNS: N/A
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Dr J C Withers
 Technical Manager
 (602) 749-3257
Business Contact
Phone: () -
Research Institution
N/A
Abstract
THERE IS A WIDESPREAD USE FOR SIC FILAMENT WITH HIGH STRENGTH THEORETICAL DENSITY AND MODULUS IN A SMALL DIAMETER. CURRENT SIC FILAMENT EITHER HAS HIGH POROSITY AT 25% AND LOW STRENGTH OR IS LARGE IN DIAMETER AT 140 M. THIS PROGRAM PRPOSES TO PRODUCE ECONOMICAL HIGH STRENGTH (>500,000 PSI) SIC FILAMENTS WITH THEORETICAL DENSITY AND MODULUS FROM PITCH AND SILICON PRECURSORS. THE PROGRAM UTILIZES KNOWN TECHNOLOGY TO PRODUCE PITCH BASE FILAMENTS CONTAINING A SILICON SOURCE. A STATISTICAL EXPERIMENTAL INVESTIGATION EXAMINES THE CONDITIONS TO PRODUCE REACTION BONDED PRESSURELESS SINTERED DENSE SIC FILAMENTS WITH A TARGET STRENGTH OF 50,000 PSI. A REACTION MODEL WILL BE DEVELOPED FROM THE STATISTICAL IMPORTANT PARAMETERS THAT WILL FORM THE BASIS OF FILAMENT IMPROVEMENT DEVELOPMENT IN PHASE II.

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

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