职 称

长聘教授

■博导 □硕导

学院及专业

机械与车辆学院 机械制造及其自动化

办公地址

求是楼323

邮 编

100081

办公电话

010-68915097

邮 件

liuchangmeng@bit.edu.cn

研究方向

致力于构建多弧并行智能3D打印技术体系，主要研究方向

（1）装备和控制系统研发，发展智能化、并行化先进增材制造装备

（2）高效增材制造工艺，实现航空航天、兵器等领域金属结构件制造和形性调控

（3）新结构设计制造一体化，发展复杂结构无支撑增材制造、钢筋混凝土一体化制造

（4）新材料原位制备-结构制造一体化，发展单晶等先进材料制造方法

代表性论文及研究项目

代表论文:

[1] T. Xu, Y. Cui, S. Ma, J. Wang, C. Liu, Exploring the inclined angle limit of fabricating unsupported rods structures by pulse hot-wire arc additive manufacturing, Journal of Materials Processing Technology (2021) 117160.

[2] T. Lu, Y. Cui, L. Xue, H. Zhang, C. Liu, Eliminating microstructure and mechanical anisotropy of Ti-6.5 Al-2Zr-1Mo-1 V manufactured by hot-wire arc additive manufacturing through boron addition, Journal of Materials Science (2021) 1-17.

[3] Z. Li, Y. Cui, Z. Yu, C. Liu, In-situ fabrication of Ti2AlNb-based alloy through double-wire arc additive manufacturing, Journal of Alloys and Compounds (2021) 160021.

[4] R. Fu, S. Tang, J. Lu, Y. Cui, Z. Li, H. Zhang, T. Xu, Z. Chen, C. Liu, Hot-wire arc additive manufacturing of aluminum alloy with reduced porosity and high deposition rate, Materials & Design 199 (2021) 109370.

[5] T. Xu, S. Tang, C. Liu, Z. Li, H. Fan, S. Ma, Obtaining large-size pyramidal lattice cell structures by pulse wire arc additive manufacturing, Materials & Design 187 (2020) 108401.

[6] J. Wang, Y. Cui, C. Liu, Z. Li, Q. Wu, D. Fang, Understanding internal defects in Mo fabricated by wire arc additive manufacturing through 3D computed tomography, Journal of Alloys and Compounds 840 (2020) 155753.

[7] T. Lu, C. Liu, Z. Li, Q. Wu, J. Wang, T. Xu, J. Liu, H. Wang, S. Ma, Hot-wire arc additive manufacturing Ti–6.5 Al–2Zr–1Mo–1V titanium alloy: Pore characterization, microstructural evolution, and mechanical properties, Journal of Alloys and Compounds 817 (2020) 153334.

[8] Q. Wu, T. Mukherjee, C. Liu, J. Lu, T. DebRoy, Residual stresses and distortion in the patterned printing of titanium and nickel alloys, Additive Manufacturing 29 (2019) 100808.

[9] Z. Li, C. Liu, T. Xu, L. Ji, D. Wang, J. Lu, S. Ma, H. Fan, Reducing arc heat input and obtaining equiaxed grains by hot-wire method during arc additive manufacturing titanium alloy, Materials Science and Engineering: A 742 (2019) 287-294.

[10] Q. Wu, Z. Ma, G. Chen, C. Liu, D. Ma, S. Ma, Obtaining fine microstructure and unsupported overhangs by low heat input pulse arc additive manufacturing, Journal of Manufacturing Processes 27 (2017) 198-206.

[11] Q. Wu, J. Lu, C. Liu, X. Shi, Q. Ma, S. Tang, H. Fan, S. Ma, Obtaining uniform deposition with variable wire feeding direction during wire-feed additive manufacturing, Materials and Manufacturing Processes 32(16) (2017) 1881-1886.

[12] X. Shi, S. Ma, C. Liu, Q. Wu, J. Lu, Y. Liu, W. Shi, Selective laser melting-wire arc additive manufacturing hybrid fabrication of Ti-6Al-4V alloy: Microstructure and mechanical properties, Materials Science and Engineering: A 684 (2017) 196-204.

[13] X. Shi, S. Ma, C. Liu, Q. 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.

[14] C. Liu, L. Yu, A. Zhang, X. Tian, D. Liu, S. Ma, Beta heat treatment of laser melting deposited high strength near β titanium alloy, Materials Science and Engineering: A 673 (2016) 185-192.

[15] C. Liu, Y. Lu, X. Tian, D. Liu, Influence of continuous grain boundary α on ductility of laser melting deposited titanium alloys, Materials Science and Engineering: A 661 (2016) 145-151.

[16] J. Guo, Y. Zhou, C. Liu, Q. Wu, X. Chen, J. Lu, Wire arc additive manufacturing of AZ31 magnesium alloy: Grain refinement by adjusting pulse frequency, Materials 9(10) (2016) 823.

研究项目：

1 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，国家自然科学基金面上项目，2019.01-2022.12             

2 高性能轻质合金****增材制造技术，装备发展部预研共用技术项目，2012.01-2024.12             

3 第六届青年人才托举工程（机械工程学会），中国科协， 2021.1-2023.12

4 大型*****电弧增材制造技术，装备发展部预研共用技术项目，2017.12-2020.12

5 金属***增材制造技术，军委科技委创新特区项目 ，2019.10-2020.12

6 基于智能增材制造的飞机****设计与分析技术，国防基础科研重点项目（课题），              2018.01-2020.12

成果及荣誉

       主要从事多丝材金属3D打印研究，发表学术论文63篇，其中第一作者（含通讯作者）SCI论文35篇，总引用2000余次，H因子25。 多篇被Nature、Nature Reviews Materials等顶级期刊正面引用。第一发明人申请增材制造专利30余项，已授权15项。获中国科协青年托举人才项目，主持国家自然科学基金、北京市自然科学基金、装发预研共用技术和领域基金、军委创新特区、国防基础科研重点项目课题等项目十余项。培养学生1人获北京市优秀毕业生，2人获得北京理工大学优秀硕士学位论文，学生平均每年获得国家奖学金1-2项。培养学生主要就业于包括航天、航空、兵器、汽车、互联网等行业。

社会职务

担任AM、MSEA、JMPT等13种SCI期刊审稿人。参与撰写国家中长期发展规划（2021-2035年）“增材制造与激光制造”领域规划、国家自然科学基金委“高能束与特种能场制造”领域十四五规划等。