Publication Date:
2019-07-12
Description:
Technique developed to increase radiographic contrasts of inherent latent defects in wood. Involves introduction of radiopaque substance into defect site and subjecting site to penetrating radiation. Radiopaque penetrant used is commercially available fluorocarbon cleaning solvent, trichlorotrifluoroethane. Applicable in inspection of wooden aircraft components, fan and wind-turbine blades, marine parts, insulators, and other wooden components, assemblies, and structures.
Keywords:
PHYSICAL SCIENCES
Type:
LAR-13724
,
NASA Tech Briefs (ISSN 0145-319X); 14; 7; P. 47
Format:
text
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