Effects of Fuels on the Physical Properties of Nitrile Rubber O-Rings.

Abstract

The effects were studied of containing nitrile O-rings with a variety of fuels and fuel blends. Properties (tensile strength, elongation, swelling) depended markedly on the aromatic content. When O-rings were cycled between fuels of low and high aromatic content, these properties took up values characteristic of the fuel in which the sample was currently immersed. Rubber samples were exposed to a commercial fuel (gas oil side stream) of high (greater than 40%) aromatics level and to a Jet A-1 fuel, initially meeting aromatics specifications, whose aromatics content had been artificially increased by addition of reagent chemicals to the same final level as the gas oil side stream. Effects on physical properties (tensile strength, swell, 200% modulus) were considerably greater for the Jet A-1 with added aromatics than for the gas oil side stream.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1983
Accession Number
ADA136647

Entities

People

  • J. R. Coleman
  • L. D. Gallop

Organizations

  • Defence Research and Development Canada

Tags

Communities of Interest

  • Air Platforms

DTIC Thesaurus Topics

  • Abstracts
  • Aromatic Compounds
  • Aromatic Hydrocarbons
  • Elastic Properties
  • Elastomers
  • Energy Systems
  • Fuels
  • Gas Turbines
  • Materials
  • Materials Testing
  • Measurement
  • Nitrile Rubber
  • O Rings
  • Physical Properties
  • Tensile Strength
  • Test Methods
  • Turbines

Readers

  • Combustion and Flow Dynamics.
  • Organic Chemistry
  • Reinforced Composite Materials