The ratio of the true width strain to the true thickness strain in a sheet tensile test, r = Eu/Ei. A high r-value indicates material with good drawing properties. Also called plastic strain ratio.
The Fabricator Blog
Still Building America—Jump into your trade with both feet - by Josh Welton Interested in a career in welding and fabrication? Take advantage of opportunities to learn more, and you might find yourself on a fulfilling career path, just like Jonathan Lewis.
TheFabricator.com provides metal fabrication professionals with market news, the industry's best articles, product news, and conference information from the Fabricators & Manufacturers Association, Intl.