基本信息

姓    名：戴国庆

性    别：男

出生年月：1993年10月

籍    贯：江苏南通

职    称：副教授

电子邮箱：guoqingdai@njtech.edu.cn

办公地点：丁家桥科创大楼A506

学缘与工作经历

2024/04-至今，南京工业大学，副教授

2022/02-2024/02，南京工业大学，博士后

2018/10-2019/10，西班牙萨拉戈萨大学，联合培养

2015/09-2021/12，南京工业大学，研究生/博士

2011/09-2015/06，南京工业大学，本科生/学士

教学与科研简介

※主要研究领域

长期从事钛合金增材制造技术、高强韧钛合金设计开发、合金塑性变形机理等研究。

※科研项目

※教学及教研项目

承担《粉末冶金技术》等课程教学。

近年来，主持承担国家自然科学青年基金1项，国家重点研发子课题1项，国家自然科学区域联合基金子课题1项，南京市留学人员科技创新项目1项，并作为项目骨干参与多项国家级与省部级项目。在International Journal of Machine Tools and Manufacture、Journal of Manufacturing Processes等多个学术刊物发表SCI论文20余篇，其中第一作者/通讯作者8篇，并授权专利3件（包含南京市江北新区高价值专利1件）。

※成果简介

高水平代表性论文（近五年）

[1] Guoqing Dai, Zhonggang Sun, Yusheng Li, Jayant Jain, Ayan Bhowmik, Junji Shinjo, Jinzhong Lu, Chinnapat Panwisawas, Grain refinement and columnar-to-equiaxed transition of Ti6Al4V during additive manufacturing via different laser oscillations, International Journal of Machine Tools and Manufacture,2023, 189:104031.

[2] Fangjuan Qi, Jiachen Yao, Guoqing Dai*, Xiaolong Chen, Yanhua Guo, Zhonggang Sun, Yaoqi Wang, Hongbing Liu, Effect of hydrogen on the microstructure and mechanical properties of high temperature deformation of Ti6Al4V additive manufactured, International Journal of Hydrogen Energy, 2023, 48(40): 15292-15302.

[3] Guoqing Dai, Qipeng Yan, Fei Niu, Jie Yao, Yanhua Guo, Zhonggang Sun, Shikai Wu, Refined microstructure and enhanced mechanical performance of hybrid additive manufacturing Al-Cu-Mg alloys by multi-cycle friction stirring processing, Journal of Manufacturing Processes, 2024, 112:248-262.

[4] Guoqing Dai, Jin Min, Haifei Lu, Hui Chang, Zhonggang Sun, Shuwei Ji, Jinzhong Lu, Lili Chang, Microstructural evolution and performance improvement mechanism of Ti–6Al–4V fabricated by oscillating-wire laser additive manufacturing, Journal of Materials Research and Technology, 2023, 24: 7021-7039.

[5] Guoqing Dai, Menghan Xue, Yanhua Guo, Zhonggang Sun, Hui Chang, Jinzhong Lu, Wenya Li, Chinnapat Panwisawas, Igor V. Alexandrov, Gradient microstructure and strength-ductility synergy improvement of 2319 aluminum alloys by hybrid additive manufacturing, Journal of Alloys and Compounds, 2023, 968: 171781.

[6]Guoqing Dai, Jiachen Yao, Yanhua Guo, Zhonggang Sun, Yuecheng Dong, Ming Li, Yaoqi Wang, IgorV. Alexandrov, Hui Chang. The hot deformation behavior and dynamic microstructure evolution of additive manufactured Ti6Al4V with different hydrogen addition[J]. Materials Characterization, 2023, 205: 113188.

[7]Guoqing Dai, Jingzhe Niu, Yanhua Guo, Zhonggang Sun, Zhenhua Dan, Hui Chang, Lian Zhou. Microstructure evolution and grain refinement behavior during hot deformation of Fe micro-alloyed Ti-6Al-4V[J]. Journal of Materials Research and Technology, 2021, 15: 1881-1895.

授权代表性发明专利

[1] 戴国庆,郭艳华,孙中刚,常辉.高强高韧叠层钛合金复合材料、制备方法以及使用其的飞机起落架，ZL202210708459.1.

[2] 常辉,戴国庆,郭艳华,董月成,淡振华,李峰.钛合金棒材高效率高通量连铸连轧系统与工艺, ZL202010569588.8

[3] 常辉,戴国庆,郭艳华,董月成,淡振华,李峰.钛合金棒材高效率高通量结晶装置, ZL202010569591.X

科研与教学获奖

[1] 南京市江北新区第二届“高价值专利培育大赛”二等奖，2022