Abstract
Abstract Stress and strain patterns developed in each of several regions of automobile tires have been mapped by using methods particularly suited to each region. Miniature force transducers were used to measure (1) the cord stresses due to shaping tires during vulcanization, (2) the change in cord stress patterns caused by postinflation, and (3) the cord loads caused by tire inflation and by cornering. Liquid metal gages were used to measure rubber strains on tire surfaces. A photoelastic method was used to measure the strain distribution interior to the tire under simulated load. In each of these procedures, particular attention was given to the differences in properties among bias, belted bias, and radial ply tires.
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