Accession Number : AD0826250

Title :   MECHANICAL PROPERTIES OF HIGH-TEMPERATURE FIBROUS STRUCTURAL MATERIALS. PART II. FABRIC TENSILE PROPERTIES AT ELEVATED TEMPERATURES IN VACUUM.

Descriptive Note : Technical rept. Mar 65-Jun 67,

Corporate Author : FABRIC RESEARCH LABS INC DEDHAM MA

Personal Author(s) : Freeston, W. D., Jr. ; Johnstone, D. S.

Report Date : OCT 1967

Pagination or Media Count : 91

Abstract : PBI fabric retains approximately 75% of its 70 deg F tensile strength at the melting temperature of nylon and over 50% at 700 deg F in air. Long-term vacuum exposures have only a small effect on the tensile properties of PBI fabric. The tensile properties of the fabric at elevated temperatures in vacuum are approximately the same as those exhibited in air. Application of carboxyphenylpolysiloxane finish to PBI fabric significantly in air and at 70 deg F after long-term, high-temperature exposure in air. (Author, modified-PL).

Descriptors :   *TENSILE PROPERTIES), (*TEXTILES, (*HEAT RESISTANT MATERIALS, TEXTILES), (*HIGH TEMPERATURE, TEXTILES), NYLON, DACRON, GRAPHITE, GLASS TEXTILES, METALLIC TEXTILES, POLYMERS, BENZIMIDAZOLES, NICKEL ALLOYS, CHROMIUM ALLOYS, HEAT RESISTANT GLASS, HEAT RESISTANT ALLOYS, HEAT RESISTANT METALS, HEAT RESISTANT PLASTICS, TEST METHODS, VACUUM, VACUUM APPARATUS, SPACE SIMULATION CHAMBERS, AEROSPACE CRAFT, CONSTRUCTION MATERIALS.

Subject Categories : Textiles
      Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE