Accession Number:

AD0525631

Title:

Composite Hemisphere Feasibility Study

Descriptive Note:

Final rept. 16 Aug-16 Oct 72

Corporate Author:

ESSO RESEARCH AND ENGINEERING CO LINDENNJ GOVERNMENT RESEARCH LAB

Personal Author(s):

• Stewart, Wilford S.

Report Date:

1973-01-01

Pagination or Media Count:

17.0

Abstract:

The feasibility of applying slip casting technology to the fabrication of a complex rounded carbon matrix composite structure having a controlled metal carbide content has been investigated. The slip casting technology is based on the use of certain controlled particle size formulations i.e., resin, carbongraphite powders, and reinforcing fiber to fabricate a high strength carbon matrix composite structure. Formulations were prepared in which certain metal carbide powders, TiC, TaC, and ZrC, were incorporated into the slip formulation replacing selected fractions of the carbongraphite powders. Conditions were established for the compression molding and carbonization of Z- loaded carbon hemispheres of approximately 4 in. O.D. and 100 mils wall thickness. Two different Z-layered structures 50 mils each were fabricated into a single 100 mil hemisphere. These carbon hemispheres showed little distortion and surface cracks after heat treatment up to 1400 C.

Descriptors:

• *COMPOSITE MATERIALS
• PARTICLE SIZE
• THICKNESS
• FIBERS
• ZIRCONIUM COMPOUNDS
• POWDERS
• CRACKS
• GRAPHITE
• CARBON FIBERS
• CARBIDES
• HEAT TREATMENT
• MOLDINGS
• DISTORTION
• PLASTICS
• TITANIUM COMPOUNDS
• REINFORCED PLASTICS
• TANTALUM COMPOUNDS

Subject Categories:

• Laminates and Composite Materials

Distribution Statement:

APPROVED FOR PUBLIC RELEASE