| HAN Xiaohui,YAO Xiaochun,CAO Jinshan,GUAN Yihui,ZHANG Zhijian,WANG Yanxin,LUO Xiaotao.Effect of Cold Spray Parameters on Microstructure and Properties of 7050 High-strength Al Alloy Journal Box Body Coating[J],53(5):194-204 |
| Effect of Cold Spray Parameters on Microstructure and Properties of 7050 High-strength Al Alloy Journal Box Body Coating |
| Received:January 14, 2023 Revised:June 13, 2023 |
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| DOI：10.16490/j.cnki.issn.1001-3660.2024.05.020 |
| KeyWord:cold spray Al alloys microstructure shear strength wear resistance corrosion resistance |
| Author | Institution |
| HAN Xiaohui |
CRRC Qingdao Sifang Co., Ltd., Shandong Qingdao , China |
| YAO Xiaochun |
Shaanxi Tianyuan Intelligent Remanufacturing Co., Ltd., Xi'an , China |
| CAO Jinshan |
CRRC Qingdao Sifang Co., Ltd., Shandong Qingdao , China |
| GUAN Yihui |
CRRC Qingdao Sifang Co., Ltd., Shandong Qingdao , China |
| ZHANG Zhijian |
Shaanxi Tianyuan Intelligent Remanufacturing Co., Ltd., Xi'an , China |
| WANG Yanxin |
Xi'an Jiaotong University, Xi'an , China |
| LUO Xiaotao |
Xi'an Jiaotong University, Xi'an , China |
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| Abstract: |
| The 7050 high-strength Al alloys are easily to be cracked and the repair layers are easily oxidized and have much lower strength than the substrate materials when they are repaired with the thermal processing additive manufacturing technologies. To solve such problem, the work takes 7050 high-strength Al alloy journal box body used in high-speed train as an example and adopt cold spray, a low temperature solid-state material deposition process, to construct the repair layer. |
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