Types of Failure Occurring in the Shock Test of 1/2 Inch Homogeneous Armor with Caliber .50 A.P. Projectiles Open PDF Document Details Document Type Technical Report Publication Date May 06, 1942 Accession Number ADA953704 Entities People N. A. Matthews Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Chemistry Hardness Machine Guns Materials Photographs Projectiles Shear Strength Shock Shock Tests Thickness Virtual Reality