Accession Number : ADA297279

Title :   Joint Technical Coordinating Group on Aircraft Survivability. Interlaboratory Ballistic Test Program.

Descriptive Note : Interim rept. FY93-FY94,

Corporate Author : ARMY RESEARCH LAB WATERTOWN MA MATERIALS DIRECTORATE

Personal Author(s) : Graves, John H. ; Kolev, Hermann

PDF Url : ADA297279

Report Date : JUN 1995

Pagination or Media Count : 52

Abstract : Analysis of experimental data from interlaboratory ballistic tests indicate that results from different facilities are not fully comparable for each of the two armor materials tested. The Materials Directorate of the Army Research Laboratory (ARL-MD) provided each of the nine laboratories participating in this program with a set of metallic armor panels and a set of macrocomposite armor panels consisting of a ceramic adhesively bonded to Kevlar reinforced plastic. ARL-MD stipulated the velocity for the first projectile fired at each set of armor panels and an obliquity of 0 deg. The lead test engineer at each laboratory selected all subsequent velocities. Each laboratory shot a series of ARL-MD provided U.S. 0.50 caliber armor piercing (AP) M2 projectiles at the panels and calculated a V(50) protection ballistic limit (PBL) in accordance with MIL-STD-662E. In this report, we present the results from each laboratory for both armor panel types on which we performed two different statistical analyses. We also include a series of recommendations for improving the reproducibility of interlaboratory ballistic test data. (MM)

Descriptors :   *ARMOR, *AIRCRAFT, *TERMINAL BALLISTICS, *ARMOR PIERCING AMMUNITION, TEST AND EVALUATION, VELOCITY, METALS, EXPERIMENTAL DATA, ARMY RESEARCH, ALUMINUM ALLOYS, SURVIVABILITY, PROJECTILES, STEEL, CERAMIC MATERIALS, PENETRATION, STATISTICAL ANALYSIS, ARMOR PLATE.

Subject Categories : Aircraft
      Armor
      Nuclear Weapons

Distribution Statement : APPROVED FOR PUBLIC RELEASE