STEELS

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$49,993.00
Award Year:
1986
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
4171
Agency Tracking Number:
4171
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 865, San Marcos, CA, 92069
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
DR GEORGE H REYNOLDS
(619) 744-7648
Business Contact:
() -
Research Institution:
n/a
Abstract
A SYSTEMATIC STUDY OF THE EFFECT OF CONTROLLED RESIDUAL AND INTENTIONAL ALLOYING ADDITONS AND WELDING PREHEAT ON THE WELDABILITY OF MIL-A-12560 ARMOR IS PROPOSED. BASELINE MATERIAL WILL BE COMMERCIAL HEAT OF MIL-A-12560. MULTIPLE LABORATORY SCALE HEATS WILL BE PREPARED WITH CONTROLLED LEVELS OF RESIDUAL AND INTENTIONAL ALLOYING ELEMENTS AND PROCESSED TO PLATE FOR WELDABILITY STUDIES. WITH WELDING PREHEAT AS A VARIABLE, WELDABILITY TESTS TO BE PERFORMED ON THE BASELINE AND EXPERIMENTAL MATERIALS INCLUDE AUTOGENOUS GTAW AND GMAW WELDS, AND IMPLANT TESTS FOR DELAYED CRACKING SUSCEPTIBILITY RESTRAINT AND TESTS AND STRESS RELIEF CRACKING SUSCEPTIBILITY TESTS. INTENSIVE POST-WELD AND POST-TEST CHARACTERIZATION WILL BE USED TO ESTABLISH THE INTERRELATIONSHIPS BETWEEN RESIDUAL ELEMENTS, PREHEAT AND WELDABILITY PERFORMANCE OF MIL-A-12560 ARMOR. THE PROJECT WILL BE PERFORMED BY MSNW, INC. WITH THE ENGINEERING AND TECHNICAL ASSISTANCE OF PHOENIX STEEL AND LEHIGH UNIVERSITY AS SUBCONTRACTORS.

* information listed above is at the time of submission.

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