SYMPOSIA PAPER Published: 01 January 1963
STP44446S

Use of Lead Glass Fiber Yarns as Tracers in Radiography of Filament-Wound Products

Source

The use of reinforced plastics in pressure vessels, rocket motors, and lightweight structures is impeded by the lack of design codes and by inadequate inspection procedures. A technique for the inclusion of lead glass fiber yarns in products intended for radiographic inspection is described for determining the concentration, orientation, and condition of groups of reinforcements in filament-wound products with or without fabric inserts. The inclusion of a few lead silicate fiber tracer yarns in the primary and secondary reinforcements and the radio-graphic inspection of the molded product may permit a reduction of the thickness and cost of the product and an increase in the allowable strength-weight ratio. This would improve the competitive position of reinforced plastics for use in precision parts and in lightweight structures.

Author Information

Perry, H., A.
U. S. Naval Ordnance Laboratory, White Oak, Silver Spring, Md.
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Details
Developed by Committee: D20
Pages: 305–313
DOI: 10.1520/STP44446S
ISBN-EB: 978-0-8031-5974-7
ISBN-13: 978-0-8031-6128-3