What does DRA stand for?

Discontinuously Reinforced Aluminum

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

Other topics include laminate evaluation by acoustic emission techniques, damage variables in impact testing, electromechanical field concentrations and polarization switching in piezoelectric composites, and discontinuously reinforced aluminum in matrix nanocomposites.

Composite materials research progress

Topics include the adsorption process of a silica cluster on a polyimide surface, the recycling mechanism of discontinuously reinforced aluminum matrix composites, the atomic structure of hydrogen storage amorphous alloys, and the effect of grain size on the reaction between lead-free solder and plated iron.

New frontiers of processing and engineering in advanced materials; ...