刘占起，男，1990年生，辽宁朝阳人，工学博士，硕士生导师，内聘副教授，国际焊接工程师（IWE），博士就读于沈阳工业大学材料科学与工程学院，博士生导师：徐国建教授，博士期间参与了两项国家重点研发计划“增材制造与激光制造”和“激光复合增材制造修复与再制造技术与装备”，参与了2020年沈阳市重大关键技术攻关“超高速激光熔覆与工艺装备攻关”，参与了广东省重点领域研发计划项目“复杂构件激光清洗/刻蚀/抛光智能制造装备”，2019年度在沈阳工业大学获得了“国家奖学金”。
Ø 教育及工作经历
2017.09-2021.06 沈阳工业大学 激光增材制造 工学博士
2021.06 -至今 辽宁工业大学 材料科学与工程学院 讲师
Ø 研究方向
1. 激光增材制造钛铝/钛异种金属连接组织与性能研究
2. 激光焊接钛合金组织与性能研究
3. 激光焊接铝合金组织与性能研究
Ø 科研课题
1. 主持了辽宁省博士启动项目“激光直接成形高质量Ti6Al4V/γ-TiAl异种金属接头显微组织和性能研究”（项目编号：2023-BS-195）1项；
2. 主持了省教育厅高校基本科研项目“激光增材制造钛/钛铝合金异种金属一体化成形技术研究”（项目编号：LJKMZ20220960）1项。
Ø 代表性论文及专利
[1] Haijiang Wang, Zhanqi Liu *, Jianhui Liang, Wei Wei and Guili Yin. Effect of Vanadium Layer on Microstructure and Properties of TC4 (Ti-6Al-4V)/ TiAl (Ti-48Al-2Cr-2Nb) Dissimilar Metals Produced by Laser Additive Manufacturing,Coatings, 2023,13, 1638.
[2] Jianhui Liang, Zhanqi Liu*, Haijiang Wang, Guili Yin and Xiaoou Zhu. Enhancement of Microstructure and Mechanical Properties of High Nb-TiAl Alloys Prepared Using Laser Additive Manufacturing by Annealing Treatment,Metals,2023,13,1562.
[3] Zhanqi Liu, Haijiang Wang, Xueting Chen and Wei Wei.Rapid Fatigue Limit Estimation of Metallic Materials Using Thermography-Based Approach, Metals,2023,13,1147.
[4] Zhanqi Liu, Guili Yin, Xiaoou Zhu, Qi Zhou. Microstructure, texture and tensile properties as a function of laser power of Ti48Al2Cr2Nb5Ta alloy prepared by laser additive manufacturing, Journal of Manufacturing Processes, 2022, 73:624-632.
[5] Zhanqi Liu, Xiaoou Zhu, Yan Zhang. Effect of annealing treatment on microstructure and tensile properties of Ti-48Al-2Cr-5Nb alloy fabricated by laser additive manufacturing, Optics and Laser Technology, 2022, 155:108412.
[6] Zhanqi Liu, Xiaoou Zhu, Guili Yin, Qi Zhou. Direct bonding of bimetallic structure from Ti6Al4V to Ti48Al2Cr2Nb alloy by laser additive manufacturing, Materials Science and Technology, 2022, 38(1):39-44.
[7] Zhanqi Liu, Chenyang Wang, Wenbo Wang, Guojian Xu, Xiangyu Liu. Effects of tantalum on the microstructure and properties of Ti-48Al-2Cr-2Nb alloy fabricated via laser additive manufacturing, Materials Characterization, 2021, 179:111317.
[8] Zhanqi Liu, Ruixin Ma, Guojian Xu, Wei Wang, Jin Liu. Laser additive manufacturing of bimetallic structure from Ti-6Al-4V to Ti-48Al-2Cr-2Nb via vanadium interlayer, Materials Letters, 2020, 263:127210.
[9] Zhanqi Liu, Ruixin Ma, Guojian Xu, Wenbo Wang, Yunhai Su. Effects of annealing on microstructure and mechanical properties of γ-TiAl alloy fabricated via laser melting deposition, Transactions of Nonferrous Metals Society of China, 2020, 30:917-927.
[10] Zhanqi Liu, Ruixin Ma, Wenbo Wang, Guojian Xu, Yunhai Su. Effect of substrate material on the microstructure, texture, phase and microhardness of a Ti-48Al-2Cr-2Nb alloy processed by laser melting deposition, Rare Metal Materials and Engineering, 2020, 49(7):2262-2268.
[11] Zhanqi Liu, Wenbo Wang, Ruixin Ma, Guojian Xu, Yunhai Su. Microstructure and properties of γ-TiAl alloy fabricated via laser melting deposition, Rare Metal Materials and Engineering, 2020, 49(7):2262-2268.
[12] Zhanqi Liu, Guili Yin, Yan Zhang. Effects of annealing treatment on microstructure and tensile properties of Ti-48Al-2Cr-2Nb-5Ta alloy by laser additive manufacturing, Journal of Materials Engineering and Performance, 2022, 31:8630-8642.
[13] 梁健慧，刘占起 ，王海江，尹桂丽．固溶时效对激光直接沉积Ti6Al4V合金组织和性能的影响。应用激光，2023,43,10.
[14] 刘占起，徐国建，马瑞鑫，郑文涛，胡方，杭争翔．激光同轴送粉增材制造TiAl合金的性能，中国激光，2019，46(10)：1002003.
[15] 刘占起，徐国建，王蔚，唱丽丽，邱晓杰．激光3D打印工艺对钛合金质量的影响，沈阳工业大学学报，2020，42(1)：57-62.
[16] R.X. Ma, Z.Q. Liu, W.B. Wang, G.J. Xu*. Microstructures and mechanical properties of Ti6Al4V-Ti-48Al-2Cr-2Nb alloys fabricated by laser melting deposition of powder mixtures, Materials Characterization, 2020, 164:100321.
[17] R.X. Ma, Z.Q. Liu, W.B. Wang, G.J. Xu*. Laser deposition melting of TC4/TiAl functionally graded material，Vacuum, 2020, (177):109349.
[18] W.B. Wang, C. Shang, Z.Q. Liu, G.J. Xu*. Laser additive manufacturing of bimetallic structure from TC4 to IN718 via Ta/Cu multi-interlayer, Materials Research Express, 2020, (7):126506.
[19] 马瑞鑫，徐国建，刘占起，王蔚．正火温度对激光3D打印钛合金组织及拉伸性能的影响，中国激光，2019，46(07)：0702008．
[20] 徐国建，刘占起，杭争翔，薛海龙．半裂式空心钨极同轴送丝惰性气体保护焊焊枪．专利号：CN201710512517.2 中国发明专利。
Ø 研究生招生
招收具有钻研、探索和创新精神，对焊接技术与工程专业具有浓厚兴趣，拥有材料科学与工程专业背景的硕士研究生。
