研究队伍

师资介绍

龚鸣宇

助理教授(长聘教轨)

地址:上海市东川路800号上海交通大学材料学院H楼209A

电话:86-21-54741201

邮箱:mingyugong@sjtu.edu.cn

主页:

个人简介

2011-09至2015-06:上海交通大学,材料科学与工程,学士

2015-08至2019-12:美国内布拉斯加大学林肯分校,机械与材料工程,博士

2020-01至2021-06:美国内布拉斯加大学林肯分校,机械与材料工程,博士后

2021-07至现在:上海交通大学,材料科学与工程,助理教授


研究方向

研究方向一: 功能金属基复合材料服役机理与行为研究

研究方向二: 金属材料变形机理研究与力学性能预测

研究情况

研究通过界面科学与工程理解金属材料及金属基复合材料中的界面结构与特性,并设计与优化界面,进而开发并改进材料性能。界面的特殊性本质源于界面处原子排布及电子结构,以及相应热动力学特性。本人以阶梯型共格界面作为研究对象,以晶体学分析、原子尺度模拟结合电镜表征为研究手段,特征界面结构,理解界面机理,预测界面行为,从而实现材料设计的目的。研究成果包括:特征六方密排金属中三维孪晶结构,理解孪生三维生长及交互机理,建立孪晶变体选择准则等。相关研究成果以第一作者或通讯作者发表在Acta Materialia、Materials Research Letters、Scripta Materialia等SCI期刊上。博士与博士后期间参与美国能源部、美国国家科学基金等多个项目。


获奖情况

代表性论文

(1) Wenfan Wang#, Mingyu Gong#, Jiahao Yao, Jiangwei Wang, Shijian Zheng*, Xiuliang Ma. Hardening induced by dislocation core spreading at disordered interface in Cu/Nb multilayers. Scripta Materialia, 2021, 200: 113917.

(2) Mingyu Gong, John Graham, Vincent Taupin, Laurent Capolungo*. Phase field and molecular dynamics study of structure and mobility of interfaces during {-1012} twin growth in Mg. Acta Materialia, 2021, 208: 116603.

(3) Mingyu Gong, Shun Xu, Laurent Capolungo, Carlos N. Tomé, Jian Wang*. Interactions between <a> dislocations and three-dimensional twins in Ti. Acta Materialia, 2020, 195: 597-610.

(4) Mingyu Gong#,*, Wenqian Wu. Atomic-level study of twin-twin interactions in hexagonal metals. Journal of Materials Research invited article, 2020, 35: 1647-1659.

(5) Mingyu Gong#, Shun Xu#, Dongyue Xie, Shujuan Wang, Jian Wang*, Christophe Schuman, Jean-Sébastien Lecomte. Steps and {11-21} secondary twinning associated with {11-22} twin in titanium. Acta Materialia, 2019, 164: 776-787.

(6) Mingyu Gong, Shun Xu, Yanyao Jiang, Yue Liu*, Jian Wang*. Structural characteristics of {-1012} non-cozone twin-twin interactions in magnesium. Acta Materialia, 2018, 159: 65-76.

(7) Mingyu Gong, Guisen Liu, Jian Wang*, Laurent Capolungo, Carlos N. Tomé. Atomistic simulations of interactions between basal <a> dislocation and three-dimensional twin in magnesium. 2018, 155: 187-197.

(8) Mingyu Gong, John P. Hirth, Yue Liu, Yao Shen*, Jian Wang*. Interface structures and twinning mechanisms of twins in hexagonal metals. Materials Research Letters, 2017, 5(7): 449-464.

(9) Shujuan Wang, Mingyu Gong, Rodney J. McCabe*, Laurent Capolungo, Jian Wang. Characteristic boundary associated with three-dimensional twins in hexagonal metals. Science Advances, 2020, 6(28): eaaz2600.

(10) Dang Khanh*, Shujuan Wang, Mingyu Gong, Rodney J. McCabe, Jian Wang, Laurent Capolungo. Formation and stability of long basal-prismatic facets in Mg. Acta Materialia, 2019, 168: 119-128.

(11) M. Arul Kumar*, Mingyu Gong, Irene J. Beyerlein, Jian Wang, Carlos N. Tomé. Role of local stresses on co-zone twin-twin junction formation in HCP magnesium. Acta Materialia, 2019, 168: 353-361.

(12) Yue Liu*, Pengzheng Zhang, Mingyu Gong, Rodney J. McCabe, Jian Wang, Carlos N. Tomé*. Three-dimensional character of the deformation twin in magnesium. Nature Communications, 2019, 10: 3308.

(13) Shun Xu#, Ping Zhou#, Guisen Liu, Dawu Xiao, Mingyu Gong, Jian Wang*. Shock-induced two types of {10-12} sequential twinning in Titanium. Acta Materialia, 2018, 165: 547-560.

(14) Shun Xu, Mingyu Gong, Yanyao Jiang, Christophe Schuman, Jean-Sébastien Lecomte, Jian Wang*. Secondary twin variant selection in four types of double twins in titanium. Acta Materialia, 2018, 152: 58-76.

(15) Shun Xu, Mingyu Gong, Christophe Schuman, Jean-Sébastien Lecomte, Xinyan Xie, Jian Wang*. Sequential {10-12} twinning stimulated by other twins in titanium. Acta Materialia, 2017, 132: 57-68.

(16) Yue Liu, Nan Li, Shuai Shao, Mingyu Gong, Jian Wang*, Rodney J. McCabe, Yanyao Jiang, Carlos N. Tomé*. Nature Communications, 2016, 7: 11577.


著作及专利

所授课程