围绕核电用铁素体/马氏体耐热钢、氧化物沉淀强化(ODS)耐热钢及奥氏体不锈钢,开展了搅拌摩擦焊同种及异种焊接装置开发和工艺、组织与力学性能方面的研究工作,采用多尺度层次化显微组织表征技术和晶体塑性有限元法相结合,构建了适合核聚变耐热钢搅拌摩擦焊接头的晶体塑性有限元模型,为揭示焊接接头显微组织非均质性对力学性能的影响提供了新途径。 近期代表性论文如下: 1. Li S., Vajragupta N., Biswas A., Tang W., Wang H., Kostka A., Yang X., Hartmaier A. Effect of microstructure heterogeneity on the mechanical properties of friction stir welded reduced activation ferritic/martensitic steel. Scripta Materialia: 2022, 207:114306. 2. Li S., Yang X., Vajragupta N., Tang W., Hartmaier A., Li H. The influence of post-weld tempering temperatures on microstructure and strength in the stir zone of friction stir welded reduced activation ferritic/martensitic steel. Materials Science and Engineering: A, 2021, 814: 141224. 3. Li S., Yang X., Wang, F, Tang W., Li H. Microstructural characteristics and mechanical properties of friction-stir-welded modified 9Cr–1Mo steel. Journal of Materials Science, 2019, 54(8): 6632-6650. 4. Li S., Yang X., Tang W., Wang F., Li H. Effect of friction stir processing on microstructure and work hardening behavior of reduced activation ferritic/martensitic steel. Journal of Manufacturing Processes, 2019, 37: 220-231. 5. Li S., Yang X., Cui L., Yin Y. Influence of weld geometry and process parameters on the quality of underwater wet friction taper plug welding. The International Journal of Advanced Manufacturing Technology, 2016, 86(5): 2339-2351. 6. 李胜利, 杨新岐, 唐文珅,李会军. 新型9Cr-1Mo钢搅拌摩擦焊接头组织及性能. 焊接学报. 2019, 40(4): 28-35. 7. Tang W., Yang X., Li S., Du B, Li H. Numerical and experimental investigation on friction stir welding of Ti-and Nb-modified 12% Cr ferritic stainless steel. Journal of Manufacturing Processes, 2020, 59: 223-237. 8. Zhao Z., Yang X., Li S., Li D. Interfacial bonding features of friction stir additive manufactured build for 2195-T8 aluminum-lithium alloy. Journal of Manufacturing Processes, 2019, 38: 396-410. 9. Tang W., Yang X., Li S., Li, H. Microstructure and properties of CLAM/316L steel friction stir welded joints. Journal of Materials Processing Technology, 2019, 271: 189-201. 10. 田超博,杨新岐,李胜利,唐文珅,李会军. CLAM钢搅拌摩擦焊接头高温蠕变行为. 焊接学报. 2021,42(2): 38-45. |