Accession Number : AD0847436

Title :   The Effect of Stress Aging on the Yield Strength of 250 Grade, 18 Percent Nickel Maraging Steel Sheet,

Corporate Author : ARMY MISSILE RESEARCH DEVELOPMENT AND ENGINEERING LAB REDSTONE ARSENAL AL PRO PULSION DIRECTORATE

Personal Author(s) : Wright, James W., Jr

Report Date : 26 NOV 1968

Pagination or Media Count : 52

Abstract : The effect of stress aging on the 0.2 percent-offset yield strength of the 250 grade, 18 percent nickel maraging steel was investigated. The variables considered were initial maraging treatment, stress aging temperatures, stress aging time, and stress aging stress. (Author)

Descriptors :   (*ROCKET ENGINE CASES, MARAGING STEELS), (*MARAGING STEELS, STRESS CORROSION), SOLID ROCKET PROPELLANTS, STRESSES, STRAIN(MECHANICS), TENSILE PROPERTIES, FRACTOGRAPHY, ELECTRON MICROSCOPY, X RAY DIFFRACTION, MARTENSITE, AGING(MATERIALS), YIELD POINT, HEAT TREATMENT, MICROSTRUCTURE, TABLES(DATA).

Subject Categories : Properties of Metals and Alloys
      Fabrication Metallurgy
      Rockets
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE