牛方勇，大连理工大学副教授，博士生导师，机械工程学院高性能精密制造团队成员，《极端制造》期刊青年编委，机械工程学会极端制造分会第一届委员会委员，中国有色金属学会增材制造分会委员，增材制造国家标准起草组成员，《Additive Manufacturing》及《Ceramics International》等知名SCI期刊优秀审稿人。长期从事金属、陶瓷、金属基复材构件增材制造研究工作，提出了电加热式整体高温辅助增材应力控制方法、同步锤锻辅助增材金属构件等轴致密化调控方法，并形成系列装备，实现了高纯熔体自生陶瓷构件及高性能金属构件的增材制造。研究成果成功应用于航天八院、哈电、大众一汽发动机等知名企业，为运载火箭栅格翼、高端机床电主轴部件、大型船用齿轮等重大装备关键产品的创新设计制造提供了强力支撑。承担重点研发计划子课题、自然科学基金青年项目、博士后面上及特助等纵向项目6项，撰写ASM Handbook章节1篇，发表学术论文80余篇，其中SCI检索60余篇，授权国家发明专利30余项，国际专利1项。研究成果获增材制造权威国际会议SFF大会最优论文报告2次（均为中国大陆唯一获奖单位）、辽宁省自然科学学术成果一等奖1项及先进陶瓷高峰论坛最佳Poster三等奖1项。指导研究生20余人，获国家奖学金3人次，校优秀硕士论文2人次。

研究方向：

（1）增材制造

（2）激光再制造

（3）难加工材料激光辅助加工

（4）激光精密加工

科研项目：

[1] 原位自生Al₂O₃柱晶增韧低膨胀莫来石陶瓷直接增材制造，国家自然科学基金青年基金项目（51805070），2019.01-2021.12，25万元，主持。

[2] 熔体自生Al₂O₃柱晶原位增韧共晶陶瓷结构激光近净成形,中国博士后科学基金特别资助项目（2018T110215），2018.06-2019.07，15万元,主持。

[3]  SiC晶须增韧Al₂O₃基共晶陶瓷结构直接增材制造技术研究。中国博士后科学基金面上项目（一等资助，2017M620100），2017.08-2019.07，8万元，主持。

[4] 大型薄壁构件激光焊接缺陷抑制与变形控制工艺。国家重点研发计划课题2子课题（2018YFB1107802），2018.01-2020.12，91万元，主持。

[5] 基于质能守恒的激光熔化沉积工艺模型及工艺优化策略。辽宁省自然科学基金指导计划项目（2019-ZD-0010），2019.09-2021.08，5万元，主持。

[6] 熔体自生陶瓷激光增材制造，中央高校基本科研业务费项目（引进人才科研启动项目）（DUT19RC(3)060）,2020.01-2021.12, 35万元，主持。

[7] 熔体自生陶瓷构件激光增材制造及其高温性能研究，辽宁省自然科学基金（省博士科研启动基金计划项目）（2020-BS-057），2020.06-2022.5, 3万元，主持。

[8] 梯度复合材料超硬刀具研发，深圳市鑫金泉精密技术股份有限公司，2021.10-2024.12，40万元，主持。

[9]激光3D打印金属陶瓷梯度材料新型髋关节假体的研发，医工交叉联合基金-中心医院（DUT22YG210），2022.01-2023.12，10万元，主持。

[10]  同步触变锻造辅助高性能金属构件增材制造技术与装备，中央高校基本科研业务费项目（DUT22LAB117），2022.01-2023.12，10万元，主持。

[11]基于深度学习的大型金属构件增材制造装备动态监测与智能诊断理论与方法研究，国家自然科学基金面上项目（51875075），2019.01-2023.12，65万，参与。

[12]树脂基点阵夹层构件的原位制造，国家自然科学基金重大项目（51790172），2018.01-2022.12，261.4万，参与。

发表专著：

 [1]Fangyong Niu, Shuai Yan, Guangyi Ma, Dongjiang Wu*. Directed Energy Deposition for Ceramic Additive Manufacturing[M]. ASM Handbook, Volume 24: Additive Manufacturing Processes, ASM International, 2020.

发表论文：

        [1] 吴东江，赵紫渊，于学鑫，马广义，由竹琳，任冠辉，牛方勇*. Al2O3-TiCp复相陶瓷激光定向能量沉积直接增材制造[J]. 无机材料学报，2023，DOI: 10.15541/jim20230013

       [2] Zhigang Dong, Wenchao Sun, Xintong Cai, Feng Yang, Bao Yan, Renke Kang, Dongjiang Wu, Guangyi Ma, Fangyong Niu*. Laser- assisted grinding of RB-SiC composites: Laser ablation behavior and mechanism[J]. Chinese Journal of Aeronautics, 2023.

       [3] Yunfei Huang, Dongjiang Wu, Xuexin Yu, Guangyi Ma, Jun Han, Hong Wang, Fangyong Niu*. Cracking Mechanism in Laser Directed Energy Deposition of Melt Growth Alumina/aluminum Titanate Ceramics[J]. Journal of the American Ceramic Society, 2023.

      [4] Dongjiang Wu, Xuexin Yu, Ziyuan Zhao, Guangyi Ma, Cong Zhou, Bi Zhang, Guanhui Ren, Fangyong Niu*, One-step additive manufacturing of TiCp reinforced Al2O3–ZrO2 eutectic ceramics composites by laser directed energy deposition[J], Ceramics International, 2023.

     [5] Dake Zhao, Dongjiang Wu, Fangyong Niu*, Yunfei Huang, Guangyi Ma, Cong Zhou, Bi Zhang, Guanhui Ren, Heat treatment of melt-grown alumina ceramics with trace glass fabricated by laser directed energy deposition[J], Materials Characterization, Volume 196, 2023.

     [6] Dongjiang Wu, Xuexin Yu, Ziyuan Zhao, Guangyi Ma, Cong Zhou, Bi Zhang, Guanhui Ren, Jun Han, Hong Wang, Fangyong Niu*. Direct additive manufacturing of TiCp reinforced Al2O3-ZrO2 eutectic functionally graded ceramics by laser directed energy deposition[J], Journal of the European Ceramic Society, 2023, 43(6):2718-2723. 

 [7] Dongjiang Wu, Chengshui Yu, Qiyong Wang, Fangyong Niu*, Guangyi Ma, Hong Wang, Cong Zhou, Bi Zhang. Synchronous-Hammer-Forging-Assisted Laser Directed Energy Deposition Additive Manufacturing of High-Performance 316L Samples[J]. Journal of Materials Processing Technology, 2022. (IF:5.551 )

  [8] 吴东江, 黄云飞, 赵大可, 牛方勇*, 马广义. 直接激光沉积熔体自生氧化铝/钛酸铝复合陶瓷微观组织及力学性能[J]. 机械工程学报, 2022. 

  [9]牛方勇，于学鑫，赵紫渊，赵大可，黄云飞，马广义，吴东江*. 熔体自生陶瓷激光直接能量沉积增材制造研究进展[J]. 材料工程, 2022. 

  [10]Dongjiang Wu, Jing Shi, Fangyong Niu*, Guangyi Ma, Cong Zhou, Bi Zhang. Direct additive manufacturing of melt growth Al₂O₃-ZrO₂ functionally graded ceramics by laser directed energy deposition[J]. Journal of the European Ceramic Society, 2022, 42(6): 2957-2973. 

  [11]Fangyong Niu, Bokai Tang, Kaojie Yue, Dehua Liu, Guangyi Ma*, Dongjiang Wu. Effect of weaving frequency on pulsed laser weaving welding of thin 5052 aluminum alloy sheet[J]. The International Journal of Advanced Manufacturing Technology, 2022. 

  [12]Dake Zhao, Dongjiang Wu, Jing Shi, Fangyong  Niu*, Guangyi Ma. Microstructure and mechanical properties of melt-grown alumina-mullite/glass composites fabricated by directed laser deposition[J]. Journal of Advanced Ceramics, 2022, 11(1)：75-93. 

  [13]赵大可,吴东江,牛方勇*,马广义.激光能量输入对直接激光沉积莫来石陶瓷组织性能的影响[J].稀有金属材料与工程, 2021, 50(3):1007~1015.

  [14]Yunfei Huang, Dongjiang Wu, Dake Zhao, Fangyong Niu*, Guangyi Ma. Investigation of melt-growth alumina/ aluminum titanate composite ceramics prepared by directed energy deposition[J]. International Journal of Extreme Manufacturing（极端制造）, 2021, 3(3):035101.

  [15]Dongjiang Wu, Dake Zhao, Yunfei Huang, Fangyong Niu*, Guangyi Ma. Shaping quality, microstructure, and mechanical properties of melt-grown mullite ceramics by directed laser deposition[J]. Journal of Alloys and Compounds, 2021, 871:159609.

  [16]Dongjiang Wu, Dake Zhao, Fangyong Niu*, Yunfei Huang, Jia Zhu, Guangyi Ma. In situ synthesis of melt-grown mullite ceramics using directed laser deposition[J]. Journal of Materials Science, 2020, 55(27):12761-12775. 

  [17]Yunfei Huang，Dongjiang Wu，Dake Zhao，Fangyong Niu*，Heng Zhang，Shuai Yan，Guangyi Ma. Process optimization of melt growth alumina/aluminum titanate composites directed energy deposition: Effects of scanning speed[J]. Additive Manufacturing, 2020, 35:101210.

  [18]Dongjiang Wu, Junde San, Fangyong Niu*, Dake Zhao, Yunfei Huang, Guangyi Ma. Directed laser deposition of Al2O3–ZrO2 melt-grown composite ceramics with multiple composition ratios[J]. Journal of Materials Science, 2020, 55(16):6794–6809. 

  [19]Dongjiang Wu, Junde San, Fangyong Niu*, Dake Zhao, Xiaokang Liang, Shuai Yan, Guangyi Ma. Effect and mechanism of ZrO₂ doping on the cracking behavior of melt growth Al2O3 ceramics prepared by directed laser deposition[J]. International Journal of Applied Ceramic Technology, 2020, 17（1）：227-238. 

  [20]Fangyong Niu, Dongjiang Wu*, Yunfei Huang, Shuai Yan, Guangyi Ma, Chaojiang Li, Jun Ding. Direct Additive Manufacturing of Large-Sized Crack-Free Alumina/Aluminum Titanate Composite Ceramics by Directed Laser Deposition[J]. Rapid Prototyping Journal, 2019, 25(8):1370-1378  

  [21]Shuai Yan, Yunfei Huang, Dake Zhao, Fangyong Niu*, Guangyi Ma, Dongjiang Wu*. 3D Printing of Nano-Scale Al₂O₃-ZrO₂ Eutectic Ceramic: Principle Analysis and Process Optimization of Pores[J], Additive Manufacturing, 2019, 28: 120-126.

  [22] Dongjiang Wu, Yunfei Huang, Fangyong Niu*, Guangyi Ma, Shuai Yan, Chaojiang Li, Jun Ding. Effects of TiO₂ doping on microstructure and properties of directed laser deposition alumina/aluminum titanate composites[J], Virtual and Physical Prototyping, 2019, 14(4): 371-381. 

  [23]Dongjiang Wu, Fan Lu, Dake Zhao, Guangyi Ma, Chaojiang Li, Jun Ding, Fangyong Niu*. Effect of doping SiC particles on cracks and pores of Al₂O₃-ZrO₂ eutectic ceramics fabricated by Directed Laser Deposition[J]. Journal of Materials Science, 2019, 54 (13): 9321-9330.

  [24]Fangyong Niu, Dongjiang Wu*, Fan Lu, Gang Liu, Guangyi Ma, Zhenyuan Jia. Microstructure and Macro Properties of Al₂O₃ Ceramics Prepared by Laser Engineered Net Shaping[J], Ceramics International, 2018, 44 (12): 14303-14310.

  [25] 牛方勇, 吴东江^*, 闫帅, 马广义, 郭东明. Al₂O₃/TiO₂复相陶瓷结构激光近净成形研究[J]. 稀有金属材料与工程[J], 2018, 47 (S1): 388-392.

  [26]Fangyong Niu, Dongjiang Wu^*, Shuai Yan, Guangyi Ma, Bi Zhang. Process optimization for suppressing cracks in laser engineered net shaping of Al₂O₃ ceramics[J], JOM, 2016, 69 (3): 557-562.

  [27] Fangyong Niu, Dongjiang Wu*, Guangyi Ma, Jiangtian Wang, Minhai Guo, Bi Zhang. Nanosized microstructure of Al₂O₃-ZrO₂ (Y₂O₃) eutectics fabricated by laser engineered net shaping[J], Scripta Materialia, 2015, 95 (1): 39-41.

  [28] Fangyong Niu, Dongjiang Wu*, Guangyi Ma, Siyu Zhou, Bi Zhang. Effect of second-phase doping on laser deposited Al₂O₃ ceramics[J]. Rapid Prototyping Journal, 2015, 21 (2): 201-206.

  [29] Fangyong Niu, Dongjiang Wu*, Guangyi Ma, Bi Zhang.  Additive Manufacturing of Ceramic Structures by Laser Engineered Net Shaping[J], Chinese Journal of Mechanical Engineering, 2015, 28 (6): 1117-1122.

  [30] 牛方勇, 吴东江*, 石龙飞, 马广义, 张垚磊. Al₂O₃/ZrO₂陶瓷激光近净成形工艺研究及性能分析[J], 人工晶体学报, 2015, 44 (11): 3223-3227+3233.

  [31] Fangyong Niu, Dongjiang Wu*, Siyu Zhou, Guangyi Ma. Power Prediction for Laser Engineered Net Shaping of Al₂O₃ Ceramic Parts[J], Journal of the European Ceramic Society, 2014, 34 (15): 3811-3817.

 

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