Accession Number : ADA020070

Title :   The Examination of Five M-54 Motor Cases that Failed Acceptance Tests.

Descriptive Note : Technical rept.,

Corporate Author : ARMY MISSILE RESEARCH DEVELOPMENT AND ENGINEERING LAB REDSTONE ARSENAL ALA GROUND EQUIPMENT/MATERIALS DIRECTORATE

Personal Author(s) : Britton,Ronald G.

Report Date : 13 NOV 1975

Pagination or Media Count : 26

Abstract : Five M-54 rocket motor cases that had failed force cone acceptance tests were analyzed for cause of failure. Tensile properties and surface finish were measured and chemical and metallographical analyses were performed. All failures were related to agglomeration of Al-Cr-Fe compound particles.

Descriptors :   *Solid propellant rocket engines, *Rocket engine cases, Metallography, Fracture(Mechanics), Surface finishing, Yield strength, Aluminum alloys, Acceptance tests

Subject Categories : Solid Propellant Rocket Engines

Distribution Statement : APPROVED FOR PUBLIC RELEASE