Accession Number : ADA329568

Title :   Effect of Annealing Temperature on the Ballistic Limit Velocity of Ti-6A1-4V ELI

Descriptive Note : Final rept. 1993-1996

Corporate Author : ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD

Personal Author(s) : Burkins, M. S. ; Love, W. W. ; Wood, J. R.

PDF Url : ADA329568

Report Date : AUG 1997

Pagination or Media Count : 71

Abstract : Although titanium alloys have been used successfully in aircraft for many years, the relatively high cost of titanium coupled with the limited information on its ballistic properties has prevented widespread use in ground vehicles. In order to provide this ballistic information to vehicle designers, the U.S. Army Research Laboratory (ARL) and the RMI Titanium Company (RMI) performed a joint research program to evaluate the effect of annealing temperature on Ti-6A1-4V alloy, extra-low interstitial (ELI) grade, currently specified by MIL-A-46077D for armor use for the U.S. Army. RMI provided the plates, performed the annealing, and collected mechanical and microstructural information. ARL then tested the plates with the 20-mm fragment-simulating projectile (FSP) in order to determine the response of limit velocity as annealing temperature was varied from 732-1,038 deg C. This report summarizes information presented at ASM International Aeromat '96 Conference in Dayton, OH, in June 1996 and at the 16th International Symposium on Ballistics in San Francisco, CA, in September 1996.

Descriptors :   *ANNEALING, *TITANIUM, VELOCITY, MECHANICAL PROPERTIES, MILITARY REQUIREMENTS, MICROSTRUCTURE, ARMY RESEARCH, ALLOYS, GROUND VEHICLES, BALLISTICS, FRAGMENTS.

Subject Categories : Inorganic Chemistry

Distribution Statement : APPROVED FOR PUBLIC RELEASE