Accession Number : AD0768152

Title :   Mechanical Behavior of an Ultrafine Grain Ferritic Steel.

Descriptive Note : Technical rept.,

Corporate Author : ARMY MATERIALS AND MECHANICS RESEARCH CENTER WATERTOWN MASS

Personal Author(s) : Ramachandran,V. ; Abrahamson,Ernest P. , II

Report Date : MAR 1973

Pagination or Media Count : 21

Abstract : The mechanical properties of a ferritic steel with grain size ranging from 0.42 to 8 micrometers has been investigated. The material shows a marked increase in plastic instability. Decreasing the grain size is shown to decrease the temperature range for dynamic strain aging. (Author)

Descriptors :   (*STEEL, MECHANICAL PROPERTIES), GRAIN SIZE, CREEP, DEFORMATION, STRAIN HARDENING, TENSILE PROPERTIES, YIELD POINT, TEMPERATURE, DISLOCATIONS

Subject Categories : Metallurgy and Metallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE