EFFECT OF PLASTIC DEFORMATION OF THE GAMMA PHASE ON THE STRENGTHENING OF IRON-NICKEL ALLOY DURING SUBSEQUENT MARTENSITIC TRANSFORMATION

EFFECT OF PLASTIC DEFORMATION OF THE GAMMA PHASE ON THE STRENGTHENING OF IRON-NICKEL ALLOY DURING SUBSEQUENT MARTENSITIC TRANSFORMATION

In an iron-nickel alloy, the increase in the hardness by thermo-mechanical processing may be separated into two component parts: the effect produced by deformation and the effect connected with martensitic conversion. With the increase in the degree of deformation, the intensification of the hardnes...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Koval,Yu. N, Khandros,L. G
Format: Report
Sprache:eng
Schlagworte:
DEFORMATION
HARDENING
HEAT TREATMENT
HOT WORKING
IRON ALLOYS
MARTENSITE
NICKEL ALLOYS
PHASE STUDIES
STEEL
TRANSFORMATIONS
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Beschreibung
Zusammenfassung:In an iron-nickel alloy, the increase in the hardness by thermo-mechanical processing may be separated into two component parts: the effect produced by deformation and the effect connected with martensitic conversion. With the increase in the degree of deformation, the intensification of the hardness brought about by the deformation increases, and that connected with the martensitic conversion decreases. There was not revealed any essential difference between the sizes of the mosaic blocks of the alpha-phase in the specimens subjected to different degrees of reduction (compression) in the austenite state, and in the undeformed specimens after intense cooling. (Author) Unedited rough draft trans. of Akademiya Nauk URSR, Kiev. Instytut Metallofizyky. Sbornik Nauchnykh Rabot, v18 p69-73 1964.