纳米/超微晶金属材料制备、物理（拉伸、疲劳和摩擦磨损等）与化学性能（电化学腐蚀、应力腐蚀、热腐蚀和高温氧化等）及其相关机理,金属和陶瓷材料表面改性（表面不沾性）。

提出深度轧制技术制备纳米/超微晶金属板材。纳米/超微晶金属板材的耐腐蚀性能和力学性能同时提高。提出材料价电子结构为材料力学和腐蚀性能本征参量的新观点。
主要发表论文：
(24) Y. Li, Q. F. Kuang, X. L. Men, S. G. Wang, D. Li, C. J. Choi, Z. D. Zhang, Anisotropic growth and magnetic properties of α”-Fe16N2@C nanocones, Nanomaterials 11(2021) 890.
(23) S. G. Wang, M. Sun, S. Y. Liu, X. Liu, Y. H. Xu, C. B. Gong, K. Long, Z. D. Zhang, Synchronous optimization of strength, ductility and corrosion resistance of bulk nanocrystalline 304 stainless steel, J. Mater. Sci. Technol. 37 (2020)161-172.
(22) S. G. Wang, M. Sun, Y. H. Xu, K. Long, Z. D. Zhang, Enhanced localized and uniform corrosion resistances of bulk nanocrystalline 304 stainless steel in high-concentration hydrochloric acid solutions at room temperature. J. Mater. Sci. Technol. 34 (2018) 2498–2506.
(21) S. G. Wang, Y. J. Huang, M. Sun, K. Long, Z. D. Zhang, The electrochemical corrosion of bulk nanocrystalline aluminum in acidic sodium sulfate solutions at room temperature. J. Phys. Chem. C 119 (2015) 9851-9859.
(20) S. G. Wang, Y. J. Huang, H. B. Han, M. Sun, K. Long, Z. D. Zhang, The electrochemical corrosion characterization of bulk nanocrystalline aluminium by X-ray photoelectron spectroscopy and ultra-violet photoelectron spectroscopy, J. Electroanal. Chem. 724 (2014) 95-102.
(49) S. N. Xu, S. G. Wang, H. B. Han, N. K. Sun, XPS and UPS Characterization for Cr and Mn in High-Temperature Oxide Films of Bulk Nanocrystalline 304 Stainless Steel, Spectrosc. Spectr. Anal. 33(2013) 834-837.
(18) S. G. Wang, M. Sun, K. Long, Z.D. Zhang, The electronic structure characterization of oxide film on bulk nanocrystalline 304 stainless steel in hydrochloric acid solution, Electrochimica Acta 112 (2013) 371-377.
(17) S. G. Wang, M. Sun, H.B. Han, K. Long, Z.D. Zhang, The high-temperature oxidation of bulk nanocrystalline 304 stainless steel in air, Corrosion Science 72 (2013) 64-72.
(16) S.G. Wang, M. Sun, K. Long, The Enhanced Even and Pitting Corrosion Resistances of Bulk Nanocrystalline Steel in HCl Solution, Steel Research International 83 (2012) 800 -807.
(15) F. L. Nie, S. G. Wang, Y.B. Wang, S. C. Wei, Y. F. Zheng, Comparative study on corrosion resistance and in vitro biocompatibility of bulk nanocrystalline and microcrystalline biomedical 304 stainless steel, Dental materials 27(2011) 677-683.
(14) Emeka E. Oguzie, Ying Li, S. G. Wang and F. H. Wang, Understanding corrosion inhibition mechanisms-experimental and theoretical approach，RSC Advances 1(2011) 866-873.
(13) Chen Pan, Li Liu, Ying Li, S. G. Wang and F. H. Wang, Passive film growth mechanism of nanocrystalline 304 stainless steel prepared by magnetron sputtering and deep rolling techniques, Electrochimica Acta 56 (2011) 7740- 7748.
(12) S. G. Wang, R. J. Huang, Y. Mei, K. Long, L. F. Li, Z. D. Zhang, The linear thermal expansion of bulk nanocrystalline Al and SS304 at low temperature Physica B 406 (2011) 2758-2762.
(11) S. G. Wang, M. Sun, K. Long, The Electrochemical Corrosion of Bulk Nanocrystalline Ingot Iron in HCl Solutions with Different Concentrations，Mater. Chem. Phys. 127 (2011) 459-464.
(10) S. G. Wang, Y. Mei, K. Long, Z. D. Zhang, The Linear Thermal Expansion of Bulk Nanocrystalline Ingot Iron from Liquid Nitrogen to 300 K, Nanoscale Research Letters 5 (2010) 48-54.
(9) E. E. Oguzie, S. G. Wang, Y. Li, F. H. Wang, Influence of Iron Microstructure on Corrosion Inhibitor Performance in Acidic Media, J. Phys. Chem. C 113(2009) 8420-8429.
(8) E. E. Oguzie, S. G. Wang, Y. Li, F.H. Wang, Corrosion and corrosion inhibition characteristics of bulk nanocrystalline ingot iron in sulphuric acid J. Solid State Electrochem. 12 (2008) 721-728.
(7) Lv. X. R, S. G. Wang, K. Long, S. Li, Z. D. Zhang, Effect of nanocrystallized on tribological behaviors of ingot iron, Wear 264(2008) 535-541.
(6) C. B. Shen, S. G. Wang, H.Y. Yang, K. Long, F. H. Wang, Corrosion Effect of Allylthiourea on Bulk Nanocrystalline Ingot Iron in Diluted acidic Sulphate Solution, Electrochimica Acta 52(2007) 3950-3957.
(5) Nan Li, Ying Li, S. G. Wang and F. H. Wang, Electrochemical corrosion behavior of nanocrystallized bulk 304 stainless steel, Electrochimica Acta 52(2006)760-765.
(4) C.B. Shen, S. G. Wang, H.Y. Yang, K. Long and F.H. Wang, The adsorption stability & inhibition by allyl-Thiourea of bulk nanocrystalline ingot iron in dilute HCl solution, Applied Surface Science 253(2006) 2118-2122.
(3) C. B. Shen, S. G. Wang, H. Y. Yang, K. Long and F. H. Wang, Corrosion and corrosion inhibition by thiourea of bulk nanocrystallized industrial pure iron in dilute HCl solution, Corrosion Science 48 (2006) 1655-1665.
(2) S. G. Wang, C. B. Shen, K. Long, T. Zhang, F. H. Wang，Z. D. Zhang, The Electrochemical Corrosion of Bulk Nanocrystalline Ingot Iron in Acidic Sulfate Solution, J. Phys. Chem. B 110( 2006) 377-382.
(1) S. G. Wang, C. B. Shen, K. Long, H.Y. Yang, F. H. Wang，Z. D. Zhang, Preparation and electrochemical corrosion behavior of bulk nanocrystalline ingot iron in HCl acid solution，J. Phys. Chem. B 109 (2005) 2499-2503.
12项涉及纳米/超微晶金属材料制备及其性能、金属和陶瓷材料表面改性的授权发明专利。

2011年中国腐蚀与防护学会优秀论文特等奖
2016年中国腐蚀与防护学报优秀论文奖