结合电化学-微生物学-力学-化学-电磁学等耦合测试技术，探究材料/环境/应力/微生物/交直流电等多因素交互作用下的材料腐蚀机制与全寿命周期评价，以保障国家重大地下工程结构服役安全。
材料（管线钢、接地极）土壤环境腐蚀数据积累与评价
土壤环境腐蚀损伤机理与防护（腐蚀电化学、应力腐蚀）
微生物腐蚀与防护
交/直流腐蚀机理及防护技术研究
材料工业环境（油气田、化工、电网等）腐蚀与防护
智能腐蚀监检测技术

代表性论文：
[1] Boxin Wei, Jin Xu, Y. Frank Cheng, Cheng Sun*, Zhenyao Wang, Effect of uniaxial elastic stress on corrosion of X80 pipeline steel in an acidic soil solution containing sulfate-reducing bacteria trapped under disbonded coating, Corrosion Science, 193, (2021) 109893. (SCI, IF=7.205, TOP)
[2] Boxin Wei, Jin Xu, Liqun Gao, Hui Feng, Jiajun Wu, Cheng Sun*, Zhenyao Wang, Wei Ke, Nanosecond pulsed laser-assisted modified copper surface structure: Enhanced surface micorhardness and microbial corrosion resistance, Journal of Materials Science & Technology, 107 (2022) 111-123. (SCI, IF= 8.067, TOP)
[3] Boxin Wei, Jin Xu, Qi Fu, Qin Qingyu, Yunlong Bai, Cheng Sun*, Chuan Wang, Zhenyao Wang, Wei Ke, Effect of sulfate-reducing bacteria on corrosion of X80 pipeline steel under disbonded coating in a red soil solution, Journal of Materials Science & Technology 87 (2021) 1–17. (SCI, IF= 8.067, TOP)
[4] Boxin Wei, Jin Xu, Y. Frank Cheng, Jiajun Wu, Cheng Sun*, ZhenyaoWang, Microstructural response and improving surface mechanical properties of pure copper subjected to laser shock peening, Applied Surface Science 564 (2021) 150336. (SCI, IF= 6.707, TOP)
[5] Boxin Wei, Jingyu Pang, Jin Xu, Cheng Sun*, Hongwei Zhang, Zhenyao Wang, Changkun Yu, Wei Ke, Microbiologically influenced corrosion of TiZrNb medium-entropy alloys by Desulfovibrio desulfuricans, Journal of Alloys and Compounds, 875 (2021) 160020. (SCI, IF= 5.316, TOP)
[6] Qingyu Qin, Jin Xu, Boxin Wei, Qi Fu, Liqun Gao, Chang kunYu, Cheng Sun*, Zhenyao Wang, Synergistic effect of alternating current and sulfate-reducing bacteria on corrosion behavior of X80 steel in coastal saline soil, Bioelectrochemistry 142 (2021): 107911. (SCI, IF= 5.373)
[7] Tangqing Wu, Maocheng Yan, Dechun Zeng, Jin Xu, Cheng Sun*, Changkun Yu, Wei Ke. Hydrogen permeation of X80 steel with superficial stress in the presence of sulfate-reducing bacteria [J]. Corrosion Science, 2015, 91: 86-94. (SCI, IF=7.205, TOP)
[8] Tangqing Wu, Jin Xu, Maocheng Yan, Cheng Sun*, Changkun Yu, Wei Ke, Synergistic effect of sulfate-reducing bacteria and elastic stress on corrosion of X80 steel in soil solution, Corrosion Science, 2014, 83:38-47. (SCI, IF=7.205, TOP)
[9] Tangqing Wu, Jin Xu, Cheng Sun*, Maocheng Yan, Changkun Yu, Wei Ke. Microbiological corrosion of pipeline steel under yield stress in soil environment, Corrosion Science, 2014, 88: 291-305. (SCI, IF=7.205, TOP)
[10] 孙成*, 韦博鑫, 覃清钰, 付琦, 吴堂清, 许进, 高立群, 于长坤. 土壤环境中X80管线钢应力腐蚀关键影响因素研究进展, 油气储运, 40 (2021) 973-979. (CSTP)