| XIE Peng-peng,CAO Yu-peng,HUA Guo-ran,YANG Cong,ZHU Peng-fei.Experimental Study on Ostwald Ripening of E690 High Strength Steel Treated by Laser Shock Peening[J],51(9):371-378, 394 |
| Experimental Study on Ostwald Ripening of E690 High Strength Steel Treated by Laser Shock Peening |
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| DOI：10.16490/j.cnki.issn.1001-3660.2022.09.039 |
| KeyWord:laser shock peening Ostwald ripening E690 high strength steel grain refinement microstructure |
| Author | Institution |
| XIE Peng-peng |
College of Mechanical Engineering, Nantong University, Jiangsu Nantong , China |
| CAO Yu-peng |
College of Mechanical Engineering, Nantong University, Jiangsu Nantong , China;3D Printing Technology Research Institute, Nantong Institute of Technology, Jiangsu Nantong , China;Nantong COSCO Shipyard Co.Ltd, Jiangsu Nantong , China |
| HUA Guo-ran |
College of Mechanical Engineering, Nantong University, Jiangsu Nantong , China |
| YANG Cong |
College of Mechanical Engineering, Nantong University, Jiangsu Nantong , China |
| ZHU Peng-fei |
College of Mechanical Engineering, Nantong University, Jiangsu Nantong , China |
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| Abstract: |
| Laser shock peening is a surface modification technology with great potential and application prospect. Given the extremely short loading time (ns) and extremely large load (GPa) of laser shock peening, samples undergoing laser shock treatment exhibited spinodal decomposition without nucleation, which induced Ostwald ripening phenomenon. Compared with the Ostwald ripening phenomenon caused by heat treatment, the impact phase transition caused by laser shock peening is more complex. Therefore, researching the Ostwald ripening phenomenon induced by laser shock peening has certain theoretical significance for laser shock strengthening technology. |
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