Areas of research interest

1. Welding Metallurgy and Advanced Welding Consumables; 2. Metal Weldability and Numerical Simulation; 3. Non-destructive Testing and Evaluation with Metal Magnetic Memory

Teaching

1) metal weldability; 2)  materials physics

Research projects

1. "Study on repair method and welding procedure on high pressure gas pipeline in-service condition"-- Key Projects in the Tianjin Science & Technology Pillar Program

2. "Study on the evaluation method and non-destructive testing mechanism for metal magnetic memory of ferromagnetic material fatigue damage" -- Tianjin Municipal Natural Science Foundation

3. "Evaluation method and non-destructive testing mechanism for volume welding defect based on magnetomechanical effect"-- Specialized Research Fund for the Doctoral Program of Higher Education

Selected publications (Journal articles, patents and books)

1)Ying Wang, Lijun Wang, Xinjie Di*, Yeteng Shi, Xiuwei Bao, Xiumin Gao.Simulation and analysis of temperature field for in-service multi-pass welding of a sleeve fillet weld;Computational Materials Science;2013, 68:198-205. 2)Xixue Xing, Xinjie Di, Baosen Wang.The effect of post-weld heat treatment temperature on the microstructure of Inconel625 deposited metal. Journal of Alloys and Compounds,2014, 593:110-116. 3) Xinjie Di, Shengjie Deng, Baosen Wang.Effect of pulse current on mechanical properties and dendritic morphology of modified medium manganese steel welds metal.Materials & Design;2015,66:169-175. 4)Di Xinjie, Cai Lin, Xing Xixue. Chen Cuixin, Xue Zhenkui.Microstructure and mechanical properties of intercritical heat-affected zone of X80 pipeline steel in simulated in-service welding. Acta Metallurgica Sinica (English Letters),2015,28(7):883-890 5)Xinjie Di, Bin Chen. Solidification behavior of a high-chromium nickel-base alloy weld deposited metal.Science and Technology of Welding and Joining,2015,20(4):325-329. 6)Cuiying Liu, Xinjie Di*, Cuixin Chen, Xiaojiang Guo, Zhenkui Xue. A bainite transformation kinetics model and its application to X70 pipeline steel. Journal of Materials Science,2015,50(14):5079-5090. 7)Xinjie Di, Shixin Jia, Fangjie Cheng, Dongpo Wang, Jun Cao. Effect of cooling rate on microstructure, inclusions and mechanical properties of weld metal in simulated local dry underwater welding. Materials & Design,2015, 88: 505-513 8)Xinjie Di, Zhentang Zhong, Caiyan Deng, Dongpo Wang, Xiaojiang Guo.Microstructural evolution of transition zone of clad X70 with duplex stainless steel.Materials & Design;2016 ,95:231-236. 9)Xinjie Di, Miao Li, Zhenwen Yang, Baosen Wang, Xiaojiang Guo.Microstructural evolution, coarsening behavior of vanadium Carbide and mechanical properties in the simulated heat-affected zone of modified medium manganese steel.Materials & Design,2016,96:232-240.

Social Appointments

Numbers of Metal Weldability and welding Consumables Committee of China Welding Institution

• welding metallurgy

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