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  • 1
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    Unknown
    High-voltage spark carbon-fiber sticky-tape data analyzer (1980)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: An efficient method for detecting carbon fibers collected on a stick tape monitor was developed. The fibers were released from a simulated crash fire situation containing carbon fiber composite material. The method utilized the ability of the fiber to initiate a spark across a set of alternately biased high voltage electrodes to electronically count the number of fiber fragments collected on the tape. It was found that the spark, which contains high energy and is of very short duration, is capable of partially damaging or consuming the fiber fragments. It also creates a mechanical disturbance which ejects the fiber from the grid. Both characteristics were helpful in establishing a single discharge pulse for each fiber segment.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-CR-163747 , JPL-PUB-80-55
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Chlorinolysis reclaims rubber of waste tires (1981)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Process reclaims rubber and reduces sulfur content by using chlorine gas to oxidize sulfur bonds in preference to other bonds. Rubber does not have poor hysteresis and abrasion resistance like conventionally reclaimed rubber and is suitable for premium radial tires. Chlorinated rubber is less susceptible to swelling by oils and may be used as paint ingredient.
    Keywords: MATERIALS
    Type: NPO-14935 , NASA Tech Briefs (ISSN 0145-319X); 5; 3; P. 331
    Format: text
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    NASA TECHNICAL REPORTS
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