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Microbial degradation of stressed reinforced polymeric composites

Book ·
OSTI ID:106153
; ; ;  [1]; ;  [2]
  1. Naval Research Lab., Stennis Space Center, MS (United States)
  2. Texas A and M Univ., College Station, TX (United States). Dept. of Mechanical Engineering
+ Show Author Affiliations

Reduction of tensile strength was demonstrated for carbon fiber reinforced epoxy resin composite strips after exposure to sulfate-reducing bacteria (SRB) in batch culture. Composite strips were maintained in a stressed condition in 3- and 4-point bend fixtures before and during exposure. Exposed surfaces were examined microscopically for bacterial colonization, fiber disruption and disbanding. Mechanical testing and acoustic emission (AE) examinations were used to evaluate degradation of tensile strength.

OSTI ID:
106153
Report Number(s):
CONF-950304--
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
BIOLOGICAL FOULING
CARBON FIBERS
COMPOSITE MATERIALS
CORROSION
CORROSIVE EFFECTS
EPOXIDES
EXPERIMENTAL DATA
FAILURES
SULFATE-REDUCING BACTERIA
TENSILE PROPERTIES