孟云飞，副研究员，材料加工系副主任、工会组长，四川省级青年人才。

华中科技大学武汉光电国家研究中心光学工程博士、华中科技大学电子科学与技术学科博士后，先后入选湖北省博士后创新研究岗位、西南交通大学“青苗学者”、四川省级青年人才、2024全国“焊才新星”—璀璨之星等，致力于高功率激光-电弧复合焊接与增材制造研究，主持国家重点研发计划子课题、国家自然科学基金、博士后科学基金等纵向项目以及企业横向课题10余项，累计在《Int. J. Heat Mass Transf.》《Appl. Surf. Sci.》《J. Alloy. Compd.》《Thin-Walled Struct.》《J. Mater. Res. Technol.》《Trans. Nonferrous Met. Soc. China》《J. Manuf. Process.》《Addit. Manuf.》《Mater. Sci. Eng. A》《Adv. Powder Technol.》《Opt. Express》《Opt. Lasers Eng.》《Opt. Laser Technol.》《Sci. Technol. Weld. Join.》和《Metall. Mater. Trans. A》等期刊发表论文40余篇，包括第一作者SCI论文22篇、通讯作者SCI论文5篇、第一作者中文论文4篇等，受邀担任四川大学学报（自然科学版）青年编委,Thin-Walled Struct., Appl. Surf. Sci., J. Mater. Process. Technol., J. Manuf. Process., J. Mater. Sci., Metall. Mater. Trans. A, Int. Commun. Heat Mass Transf.等国际期刊审稿人。

所属“西南交通大学高速交通轻量化材料与激光加工团队”，由材料科学与工程学院院长、教育部长江学者特聘教授、中国机械工程学会焊接分会副主任委员陈辉教授牵头，团队依托轨道交通运载系统全国重点实验室、材料先进技术教育部重点实验室、先进结构材料铁路行业重点实验室、高端装备先进材料与制造实验室，以及四川省先进焊接及表面工程技术研究中心，研究方向包括“高速交通装备先进焊接技术”、“激光先进加工技术”、“广域环境结构材料技术”、“结构材料及部件服役行为及安全评价技术”、“先进表面工程技术”等五个方向，开展材料工程技术研发、系统集成创新、科技成果与产品的孵化及产业化、工程技术的人才培养以及社会服务。

• 个人学术成果：

[1] Ailin Deng, Hui Chen, Yingbo Zhang*, Yunfei Meng*, Yan Liu, Ying Zeng, Hongmei Liu, Zhenlin Zhang, Mingyue Zhang. Enhanced strength and ductility of aluminum alloy laser welded joints through Ca micro-alloyed welding materials. Materials Science & Engineering A, 2024, 900, 146482.

[2] Yunfei Meng*, Qianxi Yu, Xu Wu, Ming Gao*, Hui Chen. Wire arc additive manufacturing of Al-Si-Mg aluminum alloy through wire-powder synchronous deposition. Transactions of Nonferrous Metals Society of China, accepted.

[3] Yishuai Jiang, Yunfei Meng*, Hui Chen, Xu Wu, Ailin Deng. Effects of oscillating frequency on keyhole stability and porosity inhibition in high-power laser-arc hybrid welding of 10-mm-thick 6082 aluminum alloy. Journal of Materials Research and Technology, 2024, 30: 385-396.

[4] Yunfei Meng*, Qianxi Yu, Ming Gao*, Hui Chen, Yishuai Jiang, Ziheng Yang. High-frequency oscillating laser-arc hybrid welding of 8-mm-thick high-strength aluminum alloy through synchronous wire-powder feeding. International Journal of Heat and Mass Transfer, 2024, 222, 125180.

[5] Yunfei Meng, Zeyu Li, Ming Gao, Hui Chen, Xu Wu, Qianxi Yu. Laser cleaning assisted wire arc additive manufacturing of aluminum alloy thin-wall through synchronous wire-powder deposition. Thin-Walled Structures, 2024, 197, 111622.

[6] Xu Wu, Yunfei Meng*, Yupeng Ye, Yishuai Jiang, Bingxu Zhang, Hui Chen*. Improved formation accuracy and mechanical properties of laser-arc hybrid additive manufactured aluminum alloy through beam oscillation. Optics and Laser Technology, 2024, 170, 110325.

[7] Bingxu Zhang, Hui Chen*, Yan Liu, Yunfei Meng*, Ailin Deng, Xu Wu. Study on the influence of Al-Si welding wire on porosity sensitivity in laser welding and process optimization. Optics and Laser Technology, 2024, 170, 110261.

[8] Ailin Deng, Hui Chen*, Yingbo Zhang, Ying Wu, Yan Liu, Yunfei Meng, Hongmei Liu, Yahui Wu. Effect of rare Y-microalloyed Al-Mg filler materials on the microstructure and tensile properties of laser welded Al–Mg–Si alloys. Materials Science & Engineering A, 2024, 892, 146101.

[9] Rui Su, Jingtao Chen, Hui Chen, Zhiyi Zhang, Xu Zhao, Zheng Lei, Dirui Wang, Yunfei Meng, Zhenlin Zhang. Low-temperature impact toughness of laser-arc hybrid welded low-carbon bainitic steel. Journal of Materials Science, 2023, 58: 12775-12792.

[10] Yunfei Meng, Jian Li, Ming Gao*, Hui Chen*. Preparation of Ni-Al intermetallic compounds by plasma arc melting deposition through double-wire feeding. Journal of Materials Research and Technology, 2023, 24: 6174-6186.

[11] Yunfei Meng, Jian Li, Shuai Zhang, Ming Gao, Mengcheng Gong*, Hui Chen*. Wire arc additive manufacturing of Ni-Al intermetallic compounds through synchronous wire-powder feeding. Journal of Alloys and Compounds, 2023, 943, 169152.

[12] Yunfei Meng, Jiangwang Fu, Shuai Zhang, Mengcheng Gong, Ming Gao*, Hui Chen*. Laser-arc hybrid welding of AZ31B magnesium alloy by newly-designed beam oscillating pattern. Journal of Manufacturing Processes, 2023, 93: 208-218.

[13] Yunfei Meng, Jiangwang Fu, Mengcheng Gong, Shuai Zhang, Ming Gao*, Hui Chen*. Laser dissimilar welding of Al/Mg lap-joint with Ti interlayer through optimized 8-shaped beam oscillation. Optics and Laser Technology, 2023, 162, 109304.

[14] Yunfei Meng, Zeyu Li, Ming Gao, Hui Chen*, Chen Zhang*. Parameter Optimization and Mechanism of Synchronous Wire-Powder Arc Melting Deposition of Aluminum Alloy. Journal of Materials Engineering and Performance, 2023, https://doi.org/10.1007/s11665-023-08138-3.

[15] Yunfei Meng, Laihege Jiang, Ling Cen, Ming Gao*. Improved mechanical properties of laser-arc hybrid welded Al/steel dissimilar butt-joint through beam oscillation. Science and Technology of Welding and Joining, 2021, 26(6): 487-492.

[16] Yunfei Meng, Jian Li, Ming Gao*, Xiaoyan Zeng. Microstructure characteristics of wire arc additive manufactured Ni-Al intermetallic compounds. Journal of Manufacturing Processes, 2021, 68: 932-939.

[17] Ming Gao, Yazhou Zhang, Yunfei Meng*. Interface homogenization and its relationship with tensile properties of laser-arc hybrid welded Al/steel butt-joint via beam oscillation. Journal of Materials Science, 2021, 56: 14126-14138.

[18] Yunfei Meng, Yang Lu, Zeyu Li, Suning Zhao, Ming Gao*. Effects of beam oscillation on interface layer and mechanical properties of laser-arc hybrid lap welded Al/Mg dissimilar metals. Intermetallics, 2021, 133, 107175.

[19] Mengcheng Gong, Yunfei Meng, Shuai Zhang, Yazhou Zhang, Ming Gao*. Laser-arc hybrid additive manufacturing of stainless steel with beam oscillation. Additive Manufacturing, 2020, 33, 101180.

[20] Yunfei Meng, Mengcheng Gong, Shuai Zhang, Yazhou Zhang, Ming Gao*. Effects of oscillating laser offset on microstructure and properties of dissimilar Al/steel butt-joint. Optics and Lasers in Engineering, 2020, 128, 106037.

[21] Yunfei Meng, Xinwei Li, Ming Gao*, Xiaoyan Zeng. Microstructures and mechanical properties of laser-arc hybrid welded dissimilar pure copper to stainless steel. Optics and Laser Technology, 2019, 111: 140-145.

[22] Yunfei Meng, Geng Li, Ming Gao*, Xiaoyan Zeng. Formation and suppression mechanism of lack of fusion in narrow gap laser-arc hybrid welding. International Journal of Advanced Manufacturing Technology, 2019, 100(9-12): 2299-2309.

[23] Yunfei Meng, Kai Kang, Ming Gao*, Xiaoyan Zeng. Relationship between corrosion resistance and microstructure characteristic of single-pass laser-arc hybrid welded stainless clad steel plate. Metallurgical and Materials Transactions A, 2019, 50A: 2817-2825.

[24] Yunfei Meng, Ming Gao*, Xiaoyan Zeng. Effects of arc types on the laser-arc synergic effects of hybrid welding. Optics Express, 2018, 26(11): 14775-14785.

[25] Yunfei Meng, Ming Gao*, Xiaoyan Zeng. Quantitative analysis of synergic effects during laser-arc hybrid welding of AZ31 magnesium alloy. Optics and Lasers in Engineering, 2018, 111: 183-192.

[26] Yunfei Meng, Geng Li, Ming Gao*, Xiaoyan Zeng. Effects of groove parameters on space constraint of narrow gap laser-arc hybrid welding. Journal of Manufacturing Processes, 2018, 33: 144-149.

[27] Yunfei Meng, Kai Kang, Ming Gao*, Xiaoyan Zeng. Microstructures and properties of single-pass laser-arc hybrid welded stainless clad steel plate. Journal of Manufacturing Processes, 2018, 36: 293-300.

[28] Yunfei Meng, Jiaping Zhang, Cuiyuan Duan, Cheng Chen, Xiaomei Feng, Yifu Shen*. Microstructures and properties of W-Cu functionally graded composite coatings on copper substrate via high-energy mechanical alloying. Advanced Powder Technology, 2015, 26: 392-400.

[29] Yunfei Meng, Yifu Shen*, Cheng Chen, Yongcan Li, Xiaomei Feng. Effects of Cu content and mechanical alloying parameters on the preparation of W-Cu composite coatings on copper substrate. Journal of Alloys and Compounds, 2014, 585: 368-375.

[30] Yunfei Meng, Yifu Shen*, Cheng Chen, Yongcan Li, Xiaomei Feng. Microstructures and formation mechanism of W-Cu composite coatings on copper substrate prepared by mechanical alloying method. Applied Surface Science, 2013, 282: 757-764. 

团队名称：高速交通轻量化材料与激光加工团队

团队介绍：陈辉教授作为团队带头人，现有全职科研人员100余名，主要研究方向包括：高速交通装备先进焊接技术、激光先进加工技术、广域环境结构材料技术、轻量化结构材料及部件服役行为安全评价技术、先进表面工程技术等。
       团队致力于开展高速载运装备等关键材料技术研发、系统集成创新、科技成果与产品的孵化及产业化、工程技术的人才培养以及社会服务。研究类型包括基础研究、先进前沿技术攻关、应用示范，以培养高端多元化复合型研究人才。面向未来交通：高速磁悬浮列车、更高速度高速列车、川藏铁路、大飞机等国家重大需求、重大工程，突破其中高性能金属材料与先进焊接科技，致力推进更高可靠更长寿命更环保节能的国家轨道交通事业发展。
       团队近年来主持国家科技支撑计划课题、973课题、国家重点研发计划课题、国家自然基金项目等国家级项目/课题10余项，省部级、企业委托项目100余项，累计科研经费超过1亿余元。