Effect of Cooling Rate and Austenite Deformation on Hardness and Microstructure of 960MPa High Strength Steel
| Title: | Effect of Cooling Rate and Austenite Deformation on Hardness and Microstructure of 960MPa High Strength Steel |
|---|---|
| Authors: | Yang Xiong, Yu Wei, Tang Di, Shi Jiaxin, Li Yuqian, Fan Jia, Mei Donggui, Du Qiming |
| Source: | Science and Engineering of Composite Materials, Vol 27, Iss 1, Pp 415-423 (2020) |
| Publisher Information: | De Gruyter, 2020. |
| Publication Year: | 2020 |
| Collection: | LCC:Materials of engineering and construction. Mechanics of materials |
| Subject Terms: | high strength steel, martensite, dislocation strengthening, fine grain strengthening, Materials of engineering and construction. Mechanics of materials, TA401-492 |
| More Details: | In order to develop 960MPa grade high strength steel, the effects of cooling rate and austenite deformation on the hardness and the microstructure of high strength steel has been studied by Scanning Electron microscope (SEM), Transmission Electron Microscope (TEM), Gleeble-3500 thermal simulation testing machine and T2500 Vickers hardness tester. The results show that only when the cooling rate was higher than 10∘C/s and the final cooling temperature was lower than 250∘C, the microstructure mainly consists of martensite, and the strength of high strength steel could be above 960MPa; and austenite deformation could effectively refine the width of martensite lath, thus improving the strength and toughness. |
| Document Type: | article |
| File Description: | electronic resource |
| Language: | English |
| ISSN: | 0792-1233 2191-0359 |
| Relation: | https://doaj.org/toc/0792-1233; https://doaj.org/toc/2191-0359 |
| DOI: | 10.1515/secm-2020-0045 |
| Access URL: | https://doaj.org/article/1d84f4631c4a44cca28addc8a8c9522c |
| Accession Number: | edsdoj.1d84f4631c4a44cca28addc8a8c9522c |
| Database: | Directory of Open Access Journals |
| ISSN: | 07921233 21910359 |
|---|---|
| DOI: | 10.1515/secm-2020-0045 |
| Published in: | Science and Engineering of Composite Materials |
| Language: | English |