研究领域：先进材料焊接，再制造及防护研究
工作经历：
2021.01—至今，西安交通大学，材料科学与工程学院，教授
2012.10—2020.12，西安交通大学，材料科学与工程学院，副教授
2011.12—2012.09，西安交通大学，材料科学与工程学院，讲师
2009.05—2011.08，大阪大学，接合科学研究所，博士后
教育经历：
2006.08—2009.04，哈尔滨工业大学，材料加工工程，博士
2004.08—2006.07，哈尔滨工业大学，材料加工工程，硕士
2000.08—2004.07，哈尔滨工业大学，焊接技术与工程，学士
代表性成果：
H. Liu, J. Cao, P. He, J.C. Feng. Effect of hydrogen on diffusion bonding of commercially pure titanium and hydrogenated Ti6Al4V alloys. International Journal of Hydrogen Energy. 2009, 34(2):1108~1113
H. Liu, P. He, J.C. Feng, J. Cao. Kinetic study on nonisothermal dehydrogenation of TiH2 powders. International Journal of Hydrogen Energy. 2009, 34(7):3018~3025
H. Liu, K. Nakata, N. Yamamoto, J. Liao. Friction stir welding of pure titanium lap joint. Science and Technology of Welding and Joining. 2010, 15(5):428~432
H. Liu, K. Nakata, N. Yamamoto, J. Liao. Grain orientation and texture evolution in pure titanium lap joint produced by friction stir welding. Materials Transactions. 2010, 51(11):2063~2068
H. Liu, K. Nakata, N. Yamamoto, J. Liao. Mechanical properties and strengthening mechanisms in laser beam welds of pure titanium. Science and Technology of Welding and Joining. 2011, 16(7):581~585
H. Liu, K. Nakata, N. Yamamoto, J. Liao. Microstructural characteristics and mechanical properties in laser beam welds of Ti6Al4V alloy. Journal of Materials Science. 2012, 47(3):1460~1470
H. Liu, K. Nakata, J.X. Zhang, N. Yamamoto, J. Liao. Microstructural evolution of fusion zone in laser beam welds of pure titanium. Materials Characterization. 2012, 65:1~7
H. Liu, J. Shui, T. Cai, Q. Chen, X.G. Song, G.J. Yang. Microstructural evolution and hardness response in the laser beam welded joints of pure titanium during recrystallization and grain growth. Materials Characterization. 2018, 145:87~95
G.H. Meng, B.Y. Zhang, H. Liu, G.J. Yang, T. Xu, C.X. Li, C.J. Li. Vacuum heat treatment mechanisms promoting the adhesion strength of thermally sprayed metallic coatings. Surface & Coatings Technology. 2018, 344:102~110
G.H. Meng, B.Y. Zhang, H. Liu, G.J. Yang, T. Xu, C.X. Li, C.J. Li. Highly oxidation resistant and cost e?ective MCrAlY bond coats prepared by controlled atmosphere heat treatment. Surface & Coatings Technology. 2018, 347:54~65
Z.J. Lou, H. Liu, G.J. Yang, Y.H. Wang, Q.F. Yan. Microstructural characteristics and mechanical properties in the laser beam welded joints of high-strength microalloyed steel. Journal of Materials Engineering and Performance. 2019, 28:3724~3736
Z.J. Lou, H. Liu, G.J. Yang, Y.Y. Wen, Y. Li. Effect of processing current on microstructural evolution and orientation information in Ni-based single crystal superalloy during plasma re-melting. Journal of Alloys and Compounds. 2021, 861:158589
刘宏, 税佳, 蔡拓, 陈全. 一种用于确定工业纯钛熔焊接头横截面各区位置的方法. 发明专利. ZL 0.7.
刘宏, 杨冠军, 娄正计. 一种用于修复单晶或定向晶合金叶片的系统. 发明专利. ZL 6.6.
刘宏, 杨冠军, 王远航, 娄正计. 实际固态相变中材料高温相与低温相之间准确取向关系计算软件. 软件著作权. 2018SR874977.
刘宏, 王远航, 王欣, 杨冠军. 非平衡固态相变中局部取向不均匀条件下材料高温母相重构软件. 软件著作权. 2020SR**.