研究领域

1、多丝材金属增材制造装备、工艺和应用
2、基于增材制造的新结构设计-制造一体化技术
3、基于增材制造的新材料制备-结构制造一体化技术"代表性研究项目
1、国家自然科学基金面上项目，51875041，基于增材制造的高温钛合金单晶材料制备-结构制造一体化技术，2019.01-2022.12，57万，在研，主持。
2、国家自然科学基金青年项目，51505033，激光超声复合增材制造逐层交互控形控性新方法及机理研究，2016.01-2018.12，20万，在研，主持。
3、装备发展部预研共用技术项目，41423030***，大型*****电弧增材制造技术，2017.12-2020.12，220万，在研，主持。
4、北京市自然科学基金面上项目，3162027，超声冲击辅助激光熔化沉积逐层控形控性方法和机理研究，2016.01-2018.12，18万，在研，主持。
5、国防基础科研重点项目（分承研），JCKY2017205****基于智能增材制造的飞机****分析与设计技术，2018.01-2020.12，70万，在研，主持。
6、北京理工大学优秀青年教师资助计划，2015YG0302，TiAl基微叠层复合材料结构件选区激光熔化增材制造方法和机理研究，2016.01-2017.12，15万，结题，主持
7、北京理工大学重大培育项目，3052016012，铝合金微电弧增材制造控形控性方法和机理研究，2016.01-2017.12，50万，结题，主持"

近期论文

代表性论文
1. Qianru Wu, Jiping Lu, Changmeng Liu*, Xuezhi Shi, Qian Ma, Shuiyuan Tang, Hongli Fan, Shuyuan Ma, Obtaining uniform deposition with variable wire feeding direction during wire-feed additive manufacturing, Materials and Manufacturing Processes, 32 (2017) 1881-1886.
2. Qianru Wu, Jiping Lu, Changmeng Liu* , Hongli Fan, Xuezhi Shi, Jie Fu, Shuyuan Ma, Effect of Molten Pool Size on Microstructure and Tensile Properties of Wire Arc Additive Manufacturing of Ti-6Al-4V Alloy, Materials 2017, 10, 749.
3. Qianru Wu, Zhenshu Ma, Guangsen Chen, Changmeng Liu*, Dongxi Ma, Shuyuan Ma, Obtaining fine microstructure and unsupported overhangs by low heat input pulse arc additive manufacturing, Journal of Manufacturing Processes, 27 (2017) 198-206.
4. Xuezhi Shi, Shuyuan Ma, Changmeng Liu*, Qianru Wu, Jiping Lu, Yude Liu, Wentian Shi, Selective laser melting-wire arc additive manufacturing hybrid fabrication of Ti-6Al-4V alloy: Microstructure and mechanical properties, Materials Science & Engineering A 684 (2017) 196–204.
5. Shengke Zou, Shuyuan Ma, Changmeng Liu*, Cheng Chen, Limin Ma, Jiping Lu, Jing Guo, Multi-Track Friction Stir Lap Welding of 2024 Aluminum Alloy: Processing, Microstructure and Mechanical Properties, Metals 2017, 7, 1.
6. Xuezhi Shi, Shuyuan Ma, Changmeng Liu*, Qianru Wu, Parameter optimization for Ti-47Al-2Cr-2Nb in selective laser melting based on geometric characteristics of single scan tracks, Optics & Laser Technology 90 (2017) 71–79.
7. Xuezhi Shi, Shuyuan Ma, Changmeng Liu*, Cheng Chen, Qianru Wu, Xianping Chen, Jiping Lu, Performance of high layer thickness in selective laser melting of Ti6Al4V,Materials, 2016, 9, 975.
8. Meixia Zhang, Changmeng Liu*, Xuezhi Shi, Xianping Chen, Cheng Chen, Jianhua Zuo, Jiping Lu, Shuyuan Ma, Residual Stress, Defects and Grain Morphology of Ti-6Al-4V Alloy Produced by Ultrasonic Impact Treatment Assisted Selective Laser Melting, Applied Sciences-Basel, 2016, 6, 304.
9. Jing Guo, Yong Zhou, Changmeng Liu*, Qianru Wu, Xianping Chen, Jiping Lu, Wire Arc Additive Manufacturing of AZ31Magnesium Alloy: Grain Refinement by Adjusting Pulse Frequency, Materials 2016, 9, 823.
10. Changmeng Liu*, LuYu, AliZhang, XiangjunTian, DongLiu, Shuyuan Ma, Beta heat treatment of laser melting deposited high strength near β titanium alloy, Mater. Sci. Eng. A, 673 (2016) 185-192.
11. Changmeng Liu*, Ying Lu, Xiangjun Tian, Dong Liu, Influence of continuous grain boundary α on ductility of laser melting deposited titanium alloys, Mater. Sci. Eng. A, 661(2016)145–151.
12. C.M. Liu, H.M. Wang, X.J. Tian, H.B. Tang. Subtransus triplex heat treatment of laser melting deposited Ti-5Al-5Mo-5V-1Cr-1Fe near β titanium alloy, Mater. Sci. Eng. A, 590 (2014) 30-36.
13. C.M. Liu, H.M. Wang, X.J. Tian, D. Liu, Development of a pre-heat treatment for obtaining discontinuous grain boundary α in laser melting deposited Ti-5Al-5Mo- 5V-1Cr-1Fe alloy, Mater. Sci. Eng. A, 604 (2014) 176-182.
14. C.M. Liu, X.J. Tian, H.M. Wang, D. Liu, Obtaining bimodal microstructure in laser melting deposited Ti–5Al–5Mo–5V–1Cr–1Fe near β titanium alloy, Mater. Sci. Eng. A, 609 (2014) 177-184.
15. C.M. Liu, H.M. Wang, S.Q. Zhang, H.B. Tang, A.L. Zhang, Microstructure and oxidation behavior of new refractory high entropy alloys, J. Alloys Compd., 583 (2014) 162-169.
16. C.M. Liu, H.M. Wang, X.J. Tian, H.B. Tang, D. Liu. Microstructure and tensile properties of laser melting deposited Ti-5Al-5Mo-5V-1Cr-1Fe near β titanium alloy, Mater. Sci. Eng. A, 586 (2013) 323-329.
17. C.M. Liu, X.J. Tian, H.B. Tang, H.M. Wang, Microstructural characterization of laser melting deposited Ti–5Al-5Mo–5V–1Cr–1Fe near β titanium alloy, J. Alloys Compd., 572 (2013) 17-24.
中国兵工学会会员。
International Journal of Fatigue、Materials and Design、Materials Letter、Optics and Laser Technology、Additive Manufacturing等期刊审稿人