个人简介
李坤,重庆大学机械与运载工程学院教授,博士生导师,硕士生导师,海外引进人才。2011年获吉林大学材料科学与工程学科工学学士学位;2016年获清华大学机械工程学科工学博士学位;先后赴美国德州大学、匹兹堡大学机械工程及材料科学系高级研究员教职;2020年8月被聘为重庆大学“弘深青年学者”教授、高性能智能增材制造实验室(HπAM)主任,金属增材制造(3D打印)重庆市重点实验室副主任,从事教学科研工作。主要从事增材制造、智能3D净成形、人工智能制造、机器学习系统等研究。先后主持美国国家自然基金、美国能源部国际合作项目、中国国家自然基金及联合基金等多项课题。已在增材制造领域顶刊Additive Manufacturing、Small等以第一/通讯作者发表论文50余篇。担任《稀有金属》、《航空制造技术》、《Frontiers in Materials》、《Micromachines》等编委、国际激光组织ICALEO会士,机械工程学会极端制造委员会、增材制造委员会委员、有色金属学会增材制造技术专业委员会委员。工作期间开发了多种超高强钢、镍基合金,稀土镁合金,激光焊接及3D打印在线检测技术,用于大型火箭发动机壳体等航天构件、核电站关键组件制造及修复。科研成果曾荣获美国休斯敦航天局技术应用奖(年度唯一华人青年学者)、美国德州大学年度研究员奖等。
研究领域
3D打印及激光增材制造
人工智能制造
机器学习系统
近期论文
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[1] Kun Li, Chen Ji, Shengwen Bai, Bin Jiang, Fusheng Pan, Selective laser melting of magnesium alloys: necessity, formability, performance, optimization and applications. Journal of Materials Science & Technology, 2022. [SCI] 影响因子: 10.319 (2021), (JCR一区)
[2] Kun Li, V.S.Y. Injeti, P. Trivedi, et al. Nanoscale deformation of multiaxially forged ultrafine-grained Mg-2Zn-2Gd alloy with high strength-high ductility combination and comparison with the coarse-grained counterpart. Journal of Materials Science & Technology, 2018, 34(2) : 311-316. [SCI] 影响因子: 10.319 (2021), (JCR一区)
[3] Kun Li, Jianbin Zhan, Tianbao Yang, et al. Homogenization timing effect on microstructure and precipitation strengthening of 17-4PH stainless steel fabricated by laser powder bed fusion. Additive Manufacturing, 2022, 52:102672. [SCI] 影响因子: 11.632 (2021), (JCR一区)
[4] Kun Li, V.S.Y. Injeti, R.D.K. Misra, et al. The contribution of long-period stacking-ordered structure (LPSO) to high strength-high ductility combination and nanoscale deformation behavior of magnesium-rare earth alloy. Materials Science and Engineering A, 2018, 713: 112-117. [SCI] 影响因子: 6.044 (2021), (JCR一区)
[5] Kun Li, M.A. Klecka, Shuying Chen, et al. Wire-arc additive manufacturing and post-heat treatment optimization on microstructure and mechanical properties of Grade 91 steel. Additive Manufacturing, 2021, 37:101734. [SCI] 影响因子: 11.632 (2021), (JCR一区)
[6] Kun. Li, Jianbin Zhan, Ming Zhang, Ruijin Ma, et al. A functionally graded material design from stainless steel to Ni-based superalloy by laser metal deposition coupled with thermodynamic prediction. Materials & Design, 2022, 217. [SCI] 影响因子: 9.417 (2021), (JCR一区)
[7] Kun. Li, Ruijin. Ma, Ming Zhang, et al. Hybrid post-processing effects of magnetic abrasive finishing and heat treatment on surface integrity and mechanical properties of additively manufactured Inconel 718 superalloys. Journal of Materials Science & Technology, 2022, 128: 10-21. [SCI] 影响因子: 10.319 (2021), (JCR一区)
[8] Kun Li, Bing Yu, R.D.K. Misra, et al. Strain rate dependence on the evolution of microstructure and deformation mechanism during nanoscale deformation in low carbon-high Mn TWIP steel. Materials Science and Engineering: A, 2019, 742: 116-123. [SCI] 影响因子: 6.044 (2021), (JCR一区)
[9] Kun Li, Bing Yu, R.D.K. Misra, et al. The significance and design of hybrid process in governing high strength-high toughness combination of fiber laser-welded T-250 maraging steel joint. Materials Science and Engineering A, 2018, 718: 173-181. [SCI] 影响因子: 6.044 (2021), (JCR一区)
[10] Xin Wu, Xiyue Chen, Ruxue Yang, Jianbin Zhan, Yingzhi Ren, Kun Li*, Recent Advances on tuning the interlayer coupling and properties in van Der Waals heterostructures, Small, 2022, 18(15): 2105877. [SCI] 影响因子: 15.15 (2021), (JCR一区)
[11] Kun Li, V.S.Y. Injeti, P. Trivedi, et al. Microstructure, mechanical properties and deformation behavior of Mg-Gd-Zn alloy. Proc. of the 147th Minerals, Metals and Materials Series (TMS2018), Phoenix, USA, March 11-15, 2018.
[12] Kun. Li, Jianbin Zhan, Peng Jin, et al. Functionally Graded Alloys from 316 Stainless Steel to Inconel 718 by Powder-Based Laser Direct Energy Deposition[J]. Proc. of the 150th Minerals, Metals and Materials Series (TMS2022), Anaheim, USA, February 27-March 3, 2022.
[13] Kun Li, Jianbin Zhan, Ruijin Ma, Yingzhi Ren, Jinxin Lin, A functionally gradient NiTi shape-memory alloy fabricated by selective laser melting, Proc. of the 17th ASME-International Manufacturing Science and Engineering Conference (MSEC2022), West Lafayette, USA, June 27-July 1, 2022.
学术兼职
Guest Editor
[1] Advanced Micro- and Nano-Manufacturing Technologies, Special Issue on Micromachines, 2021.
[2] Machining Technology and Environmental Degradation Mechanism of Surface Microstructure of Special Materials, Special Issue on Frontiers in Materials, 2021.
[3] High Energy Additive Manufacturing of Advanced Materials, Special Issue on Frontiers in Materials, 2022.
[4] 《航空制造技术》专刊“激光增材/微纳制造”,2022.
Organizing Committee
[1] International Congress on Applications of Lasers & Electro-Optics (Fellow)
[2] 机械工程学会增材制造分会委员
[3] 机械工程学会极端制造分会委员
[4] 有色金属学会增材制造技术专业委员会委员
Program Committee Member
[1] 2021 International Conference on Mechanical Design and Manufacturing, Automation System (Co-Chair)
[2] Global Conference on Aerospace Engineering and Technology (GCAET2021, Co-Chair)
[3] 2nd International Conference on 3D Printing and Additive Manufacturing (3DPRINTINGMEET2022, Committee)
Journal Review
[1] Acta Materialia
[2] Nature Communications
[3] Micromachines
[4] 机械工程学报
[5] Journal of Materials & Technology
[6] Materials & Design
[7] Materials Scicence and Engineering A
[8] Optics & Laser Technology