Authors:
F. ScholzTechnische Universität Braunschweig Institut für Werkstoffe D-38106 Braunschweig Germany D-38106 Braunschweig Germany

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E. WoldtTechnische Universität Braunschweig Institut für Werkstoffe D-38106 Braunschweig Germany D-38106 Braunschweig Germany

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Abstract  

Plastically deformed samples of ultra high purity iron (UHP) doped with 150 ppm of niobium were investigated by differential temperature scanning calorimetry (DTSC) determining the stored energy and the activation enthalpy of recovery and recrystallization. Any oxidation effects were successfully prevented with a newly constructed device for cleaning the specimens by ion-etching and enclosing them hermetically in noble metal capsules without any contact to air. Compared with pure iron the stored energy and the activation enthalpy are increased in the Fe–Nb alloy resulting in a large shift of the recrystallization temperature.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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