RIGIDIZATION TECHNIQUES FOR INTEGRALLY WOVEN COMPOSITE CONSTRUCTIONS
Abstract
The report describes the investigation of methods to erect and rigidize three-dimensional woven fiberglass sandwich under space conditions; and to determine the physical properties of the rigidized sandwich material. The investigation included both triangular and rectangular fluted woven sandwich in weights from 12 to 23 ounce per square yard. Impregnating or rigidizing materials and processes included gelatin rigidized by solvent loss, gas catalyzed polyurethane, ultraviolet activated polyesters, and heat activated single component polyurethane foam powder. Methods for impregnating, storing, and automatically erecting and rigidizing the sandwich materials were developed successfully for all of the chemical rigidizing systems. Density of the space rigidized materials varied from 2 to 8 pounds per cubic foot depending on system, weight of cloth, and resin content. Strengths obtained were of the same order of magnitude as other conventional lightweight structural materials. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1964
- Accession Number
- AD0615600
Entities
People
- L. B. Keller
- S. Schwartz
Organizations
- Hughes Aircraft Company