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Austenite Reverse Transformation in a Q&P Route of Mn and Ni Added Steels
| Content Provider | MDPI |
|---|---|
| Author | Teresa, Gutiérrez Irene, De Diego-Calderón Arribas, Maribel Molino, Eider Del Arlazarov, Artem Martin, David Caro, Daniele De Ayenampudi, Sudhindra Santofimia, Maria J. |
| Copyright Year | 2020 |
| Description | In this work, four low carbon steels with different contents of Mn and Ni were heat treated by quenching and partitioning (Q&P) cycles where high partitioning temperatures, in the range of 550 °C–650 °C, were applied. In order to elucidate the effect of applying these high partitioning temperatures with respect to more common Q&P cycles, the materials were also heat treated considering a partitioning temperature of 400 °C. The microstructure evolution during the Q&P cycles was studied by means of dilatometry tests. The microstructural characterization of the treated materials revealed that austenite retention strongly depended on the alloy content and partitioning conditions. It was shown that the occurrence of austenite reverse transformation (ART) in the partitioning stage in some of the alloys and conditions was a very effective mechanism to increase the austenite content in the final microstructure. However, the enhancement of tensile properties achieved by the application of high partitioning temperature cycles was not significant. |
| Starting Page | 862 |
| e-ISSN | 20754701 |
| DOI | 10.3390/met10070862 |
| Journal | Metals |
| Issue Number | 7 |
| Volume Number | 10 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-06-29 |
| Access Restriction | Open |
| Subject Keyword | Metals Manufacturing Engineering Characterization and Testing of Materials Quenching and Partitioning Austenite Reverse Transformation Mn and Ni Influence Austenite Stabilization |
| Content Type | Text |
| Resource Type | Article |
