Increase in Ductility of High Carbon Steel Due to Accelerated Precipitation of Cementite

Increase in Ductility of High Carbon Steel Due to Accelerated Precipitation of Cementite

Eutectoid steel AISI 1080 is studied after annealing at 850°C and thermal cycling treatment (TCT) that involves heating at a rate of 10 K/min to 775°C, holding for 10 min, and cooling at a rate of 95 K/min. An increase is established in the content of cementite precipitating over austenite grain bou...

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Veröffentlicht in:Metal science and heat treatment 2017-09, Vol.59 (5-6), p.294-296
Hauptverfasser: Ali, Muhammad, UlHaq, Ehsan, Ibrahim, Ather, Abdul Karim, Muhammad Ramzan, Ali, A., Fayyaz, M., Khera, F. K.
Format: Artikel
Sprache:eng
Schlagworte:
Annealing
Carbides
Carbon steel
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Grain boundaries
Heat and Mass Transfer
Intermetallic compounds
Iron compounds
Materials Science
Metallic Materials
Precipitation (Meteorology)
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Beschreibung
Zusammenfassung:Eutectoid steel AISI 1080 is studied after annealing at 850°C and thermal cycling treatment (TCT) that involves heating at a rate of 10 K/min to 775°C, holding for 10 min, and cooling at a rate of 95 K/min. An increase is established in the content of cementite precipitating over austenite grain boundaries, and relative elongation with retention of yield and ultimate strengths with an increase in number of TCT cycles. After five cycles relative elongation reaches 29% with ultimate strength of 670 MPa.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-017-0145-6