曾依据化学元素含量变化提出预测单晶合金枝晶干/间显微硬度差别的方法，对单晶合金设计具有重要价值；率先发现激光冲击诱导的金属材料表面微尺度反向变形，并从自由塑性变形角度对反向变形机制提出解释；针对激光冲击引发[001]取向镍基单晶高温合金在中/高温拉伸条件的塑性变化，提出不同温度条件所对应的变形与断裂机制；提出基于表面曲率实时改变光斑尺寸、基于冲击变形特征选择搭接率等激光冲击工艺优化方法；还基于短脉冲激光束诱发的力效应发展了冲击渗碳、冲击标记等智能制造新技术；所述成果在Journal of Alloys and Compounds、Applied Materials Today等学术期刊刊登，并获20余项授权发明专利以及1项PCT体系专利。 部分代表性学术论文： [1]G.X. Lu, U. Trdan, Y.K. Zhang, J.L. Dulaney, The distribution regularity of residual stress on a metal surface after laser shock marking, Mechanics of Materials, 143, 2020, 103310. [2]G.X. Lu, R.Z. Wang, J.D. Liu, Y.Z. Zhou, Formation mechanism of residual stress field induced by surface strengthening process, Journal of Testing and Evaluation, 48(4), 2020, 2936-2945. [3]G.X. Lu, H. Liu, C.H. Lin, Z. Zhang, P. Shukla, Y.K. Zhang, J.H. Yao, Improving the fretting performance of aero-engine tenon joint materials using surface strengthening, Materials Science and Technology, 35(15), 2019, 1781-1788. [4]G.X. Lu, J. Li, Y.K. Zhang, D.W. Sokol, Effect of initial surface roughness on the actual intensity of laser shock processing, Surface Topography: Metrology and Properties, 7(1), 2019, 015025. [5]G.X. Lu, D.W. Sokol, Y.K. Zhang, J.L. Dulaney, Nanosecond pulsed laser-generated stress effect inducing macro-micro-nano structures and surface topography evolution, Applied Materials Today, 15, 2019, 171-184. [6]G.X. Lu, J.D. Liu, Y.Z. Zhou, X.F. Sun, Differences in microscale surface contours of metallic targets subjected to laser shock, Optics Communications, 436, 2019, 188-191. [7]G.X. Lu, J. Li, Y.K. Zhang, D.W. Sokol, A metal marking method based on laser shock processing, Materials and Manufacturing Processes, 34(6), 2019, 598-603. [8]G.X. Lu, J.D. Liu, H.C. Qiao, T. Jin, X.F. Sun, Crack appearance of a laser shock-treated single crystal nickel-base superalloy after isothermal fatigue failure, Surface and Coatings Technology, 321, 2017, 74-80. [9]G.X. Lu, J.D. Liu, H.C. Qiao, Y.Z. Zhou, T. Jin, X.F. Sun, Z.Q. Hu, Surface topography evolution of Ni-based single crystal superalloy under laser shock: Formation of the nano-scale surface reliefs, Applied Physics A, 123(3), 2017, 213. [10]G.X. Lu, J.D. Liu, H.C. Qiao, Y.Z. Zhou, T. Jin, J.B. Zhao, X.F. Sun, Z.Q. Hu, Effect of laser shock on tensile deformation behavior of a single crystal nickel-base superalloy, Materials Science and Engineering: A, 686, 2017, 46-53. [11]G.X. Lu, J.D. Liu, H.C. Qiao, Y.Z. Zhou, T. Jin, J.B. Zhao, X.F. Sun, Z.Q. Hu, Surface nano-hardness and microstructure of a single crystal nickel base superalloy after laser shock peening, Optics & Laser Technology, 91, 2017, 116-119. [12]G.X. Lu, J.D. Liu, Y.Z. Zhou, T. Jin, X.F. Sun, Z.Q. Hu, Differences in the micromechanical properties of dendrites and interdendritic regions in superalloys, Philosophical Magazine Letters, 96(12), 2016, 461-468. [13]G.X. Lu, J.D. Liu, H.C. Qiao, C.Y. Cui, Y.Z. Zhou, T. Jin, J.B. Zhao, X.F. Sun, Z.Q. Hu, The local microscale reverse deformation of metallic material under laser shock, 19(2) Advanced Engineering Materials, 2016, 1600672. [14]G.X. Lu, J.D. Liu, H.C. Qiao, G.L. Zhang, C.Y. Cui, Y.Z. Zhou, T. Jin, J.B. Zhao, X.F. Sun, Z.Q. Hu, Microscopic surface topography of a wrought superalloy processed by laser shock peening, Vacuum, 130, 2016, 25-33. [15]G.X. Lu, J.D. Liu, H.C. Qiao, Y.Z. Zhou, T. Jin, X.F. Sun, Z.Q. Hu, Nonuniformity of morphology and mechanical properties on the surface of single crystal superalloy subjected to laser shock peening, Journal of Alloys and Compounds, 658, 2016, 721-725. [16]卢国鑫, 金涛, 周亦胄, 赵吉宾, 刘纪德, 乔红超, 孙晓峰, 激光冲击强化在高温合金材料应用上的研究进展, 中国有色金属学报, 28(9), 2018, 1755-1764. [17]卢国鑫, 陆峰, 一种定性判断3D残余应力场测量值的新思路, 中国腐蚀与防护学报, 34(3), 2014, 283-286. [18]卢国鑫, 宋颖刚, 王仁智, 王强, 王欣, 300M 钢喷丸强化残余应力场的数值模拟, 中国表面工程, 26(4), 2013, 72-76. |
