| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1631205 | Materials Today: Proceedings | 2015 | 6 Pages |
Abstract
Effect of solution temperature on the microstructure evolution in the segregation area of S31254 superaustenitic stainless steel plate was investigated. Samples were heated in the range of 950 °C-1250 °C for 0.5 h and then quenched to room temperature. As the temperature was between 950 °C and 1050 °C, two different secondary particles precipitated and dispersed in matrix of the steel. When the solution temperature reached to 1150 °C, any second phases could not be observed by SEM. In addition, several precipitating phases in the different position including grain interiors, grain boundaries and three-joint grain boundary were identified as Chi phase and Sigma phase in the tested steel using TEM.
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