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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kang, Jian Wang, Chao Li, Yunjie Yuan, Guo Wang, Guodong |
| Copyright Year | 2016 |
| Abstract | Three different online heat treatment processes were designed to study the effects on the mechanical properties of a 0.19C-1.6Si-1.6Mn (wt%) hot rolled strip steel. The microstructures were characterized by means of SEM, TEM, EPMA, and XRD. The mechanical properties were estimated by tensile tests. Results showed that a satisfying combination of strength and ductility could be obtained through the ferrite relaxation and direct quenching and partitioning process. Analysis was also focused on this process. The microstructure contained proeutectoid ferrite grains, martensite packets and blocky or interlath retained austenite, and also contained carbide-free bainite in the case of relatively high quench temperatures. The retained austenite fraction was increased through proeutectoid ferrite and partial bainite transformation, while the tensile strength was also consequently decreased. The most of retained austenite transformed to ferrite under deformation and the elongation was obviously improved. |
| Starting Page | 178 |
| Ending Page | 185 |
| Page Count | 8 |
| File Format | |
| ISSN | 10002413 |
| Journal | Journal of Wuhan University of Technology-Mater. Sci. Ed. |
| Volume Number | 31 |
| Issue Number | 1 |
| e-ISSN | 19930437 |
| Language | English |
| Publisher | Wuhan University of Technology |
| Publisher Date | 2016-02-03 |
| Publisher Place | Wuhan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | hot strip steel relaxation quenching and partitioning retained austenite mechanical properties Materials Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
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