| GU Qing,BAO Haibin,WANG Yongqiang,FENG Minmin,DONG Gang,YOU Hanxiao,YANG Gaolin,YAO Jianhua.Effects of Si Content on Solidification Behavior and Microstructure of 316L SS Laser Cladding Layer[J],54(5):167-175 |
| Effects of Si Content on Solidification Behavior and Microstructure of 316L SS Laser Cladding Layer |
| Received:May 17, 2024 Revised:November 06, 2024 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2025.05.013 |
| KeyWord:laser cladding Si element 316L solidification structure grain refinement |
| Author | Institution |
| GU Qing |
Guoneng Zhejiang Beilun First Power Generation Co., Ltd., Zhejiang Ningbo , China |
| BAO Haibin |
Guoneng Zhejiang Beilun First Power Generation Co., Ltd., Zhejiang Ningbo , China |
| WANG Yongqiang |
Guoneng Zhejiang Beilun First Power Generation Co., Ltd., Zhejiang Ningbo , China |
| FENG Minmin |
Guoneng Zhejiang Beilun First Power Generation Co., Ltd., Zhejiang Ningbo , China |
| DONG Gang |
Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Hangzhou , China;a.College of Mechanical Engineering, b.Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou , China |
| YOU Hanxiao |
Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Hangzhou , China;a.College of Mechanical Engineering, b.Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou , China |
| YANG Gaolin |
Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Hangzhou , China;a.College of Mechanical Engineering, b.Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou , China |
| YAO Jianhua |
Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Hangzhou , China;a.College of Mechanical Engineering, b.Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou , China |
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| Abstract: |
| In this study, the influence of different mass fractions of silicon (Si) on the solidification microstructure of 316L stainless steel during laser cladding process was investigated in details. A laser cladding system consisting of a LDF400-2000 fiber-coupled semiconductor laser and an ABB manipulator was utilized to deposit a cladding layer containing 0.8% and 1.6% Si on an 316L substrate. Multiple characterization techniques, such as optical microscopy, scanning electron microscopy (SEM), electron backscatter diffraction (EBSD), transmission electron microscopy (TEM), and Vickers hardness testing were employed to assess the microstructure, formation mechanism, grain orientation, texture, and microhardness of the cladding layer both in the scanning direction (SD) and the tangential direction (TD). |
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