Brittle failure of Alloy 693 at elevated temperatures

Brittle failure of Alloy 693 at elevated temperatures

This reports transgranular brittle failure during high temperature deformation of a wrought Alloy 693 received in solution annealed condition. This has been attributed to the inability to suppress the formation of γ′ precipitates during quenching after the solution annealing treatment. The fine γ′ p...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2014-10, Vol.616, p.88-92
Hauptverfasser: Singh, Jung B., Verma, A., Thota, Manoj K., Chakravartty, J.K.
Format: Artikel
Sprache:eng
Schlagworte:
Alloy 693
Brittle failure
Brittleness
Continuous cooling transformation (CCT) diagram
Deformation
Failure
High temperature deformation
Microstructure
Plasticity
Precipitates
Precipitation
Quenching
γ′ precipitates
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Beschreibung
Zusammenfassung:This reports transgranular brittle failure during high temperature deformation of a wrought Alloy 693 received in solution annealed condition. This has been attributed to the inability to suppress the formation of γ′ precipitates during quenching after the solution annealing treatment. The fine γ′ precipitates severely strained the matrix and inhibited plasticity during subsequent deformation.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2014.08.015