Accession Number : AD0416723


Title :   RESEARCH AND DEVELOPMENT ON THE EFFECTS OF HIGH PRESSURE ON VARIOUS ELEMENTS AND BINARY ALLOYS. PART II. THE EFFECT OF PRESSURE ON TRANSFORMATION IN IRON AND IRON ALLOYS.


Descriptive Note : Rept. for 1 Apr 61-1 Apr 62,


Corporate Author : GENERAL ELECTRIC CO SCHENECTADY N Y


Personal Author(s) : Claussen,W F


Report Date : May 1963


Pagination or Media Count : 32


Abstract : Pressure-temperature curves for the alpha-gamma transformation in iron and iron alloys of Al, Cr, Mn, Co, and Ni were developed by duplex differ ential thermal conductivity analysis. Similarly, eutectoid curves for Fe-C and Fe-Mn-C (98.3 1.0-0.33) were developed. Special kinetic analy sis of the data was necessary to assure closeness to equilibrium conditions for the eutectoid reactions, and good agreement with atmospheric data is recorded. Hystereses in the alpha-gamma transformation generally increased with pressure. Changes in slope in certain forward and reverse transformation curves can probably be attributed to kinetics of the transformations. (Author)


Descriptors :   *HYPERBARIC CONDITIONS , SCIENTIFIC RESEARCH , IRON , COBALT , CARBON ALLOYS , HYSTERESIS , SCIENTIFIC RESEARCH , THERMAL PROPERTIES , TEMPERATURE


Distribution Statement : APPROVED FOR PUBLIC RELEASE