2.结构与功能一体化合金及金属基复合材料

主要研究高强高塑高阻尼铝合金、镁合金、钢铁及金属基复合材料的先进制备技术。

3.功能性纳米粉体的制备及表面改性技术

开展电子浆料、能源、催化、传感等领域用高性能纳米纯金属、合金、氧化物等纳米粉体的先进制备技术及粉体表面改性技术。

4.高性能合金材料先进焊接技术及焊缝质量控制方法

重点研究铝合金、镁合金、高强钢、不锈钢等的激光焊接、搅拌摩擦焊、电阻焊等新技术新工艺及焊缝质量控制新方法。

主持过国家863计划项目、国家自然科学基金项目、国家自然科学基金-云南省联合基金重点项目、教育部博士点基金项目、教育部新世纪优秀人才资助计划项目、湖南省杰出青年基金项目和其它部省级项目十余项。作为主要科研人员参加的国家级和部省级科研项目有9项。

发表学术论文150余篇，其中SCI期刊论文60余篇。获发明专利8项。代表性论文：

[1] Hongmei Xu, Hongge Yan, Chen Zhenhua. Mechanical and electrical properties of Al2O3/Ce0.8Y0.2O1.9 composite electrolytes. Materials Science and Engineering B, 2007, 145(1-3): 85-90

[2] Xu Hongmei, Yan Hongge, Chen Zhenhua. The flexural strength and densification behavior of Al2O3-doped Ce0.8Y0.2O1.9 electrolyte composites. Materials Science and Engineering A,2007, 447(1-2):222-226

[3] Xu Hongmei, Yan Hongge, Chen Zhenhua. Low-temperature combustion synthesis and sintering of nanosized Ce0.8Y0.2O1.9 powders. Materials Characterization, 2008, 59(3): 301-305

[4] Hongmei Xu, Hongge Yan, Chen Zhenhua. Preparation and properties of Y3+ and Ca2+ co-doped ceria electrolyte materials for ITSOFC. Solid State Sciences, 2008, 10(9): 1179-1184

[5] Zhu Su-Qin, Yan Hong-Ge, Xia Wei-Jun, Liu Ji-Zi, Jiang Jun-Feng. Influence of different deformation processing on the AZ31 magnesium alloy sheets. Journal of Materials Science, 2009, 44(14): 3800-3806

[6] Q. Guo, H. G. Yan, H. Zhang, Z. H. Chen, Z. F. Wang. Behaviour of AZ31 magnesium alloy during compression at elevated temperatures. Materials Science and Technology, 2005, 21(11): 1349-1354

[7] Xu Hongmei, Yan Hongge, Chen Zhenhua. Sintering and electrical properties of Ce0.8Y0.2O1.9 powders by citric acid- nitrate low-temperature combustion process. Journal of Power Sources, 2006, 163(1):409-414

[8] Q. Guo, H. G. Yan, Z. H. Chen, H. Zhang. Elevated Temperature Compression Behavior of Mg-Al-Zn Alloys. Materials Science and Technology, 2006, 22(6):725-728

[9] Q. Guo, H. G. Yan, Z.H. Chen, H. Zhang. Grain refinement in as-cast AZ80 Mg alloy under large strain deformation. Materials Characterization, 2007, 58(2): 162-167

[10] Y. P. Sun, H. G. Yan, Z. H. Chen, D. Chen, G. Chen. Effect of a novel sequential motion compaction process on the densification of multi-layer spray deposited 7090/SiCp composites. Journal of Materials Science, 2008, 43: 6200-6205

[11] Yu Z H, Yan H G, Gong, X. S, Quan, Y J, Chen, J H, Chen, Q. Microstructure and mechanical properties of laser welded wrought ZK21 magnesium alloy, Materials Science and Engineering A, 2009, 523(1-2): 220-225

[12] S. Q. Zhu, H.G. Yan, J.H. Chen, Y.Z. Wu, J.Z. Liu and J. Tian. Effect of twinning and dynamic recrystallization on the high strain rate rolling process. Scripta Materialia, 2010, 63(10): 985-988

[13] Yan Hongge, Chen Jihua, Guo Qiang, Su Bin, Wu Yuanzhi. Microstructure evolutions of AZ80 magnesium alloy during multi-directional compression deformation at elevated temperature. International Journal of Materials Research (Z Metallkd.), 2010, 102(2): 1-9

[14] Yuan-Zhi Wu, Hong-Ge Yan, Ji-Hua Chen, Su-Qin Zhu, Zhi-Wen Liu, Jin Tian. Hot deformation behavior and microstructure evolution of ZK21 magnesium alloy, Materials Science and Engineering A, 2010, 527(16-17): 3670-3675

[15] Z.H.Yu, H.G.Yan, S. J. Chen, J. H. Chen, P.L.Zeng. Method for welding highly crack susceptible magnesium alloy ZK60. Science and Technology of Welding & Joining, 2010, 15(5): 354-360

[16] Z.H.Yu, H.G.Yan, J.H.Chen, Y. Z.Wu. Effect of Zn content on the microstructures and mechanical properties of laser beam-welded ZK series magnesium alloys. Journal Materials Science, 2010, 45(14):3797-3803

[17] B. Su, H.G. Yan, G. Chen, J.L. Shi, J.H. Chen, P.L. Zeng.Study on the preparation of the SiCp/Al–20Si–3Cu functionally graded material using spray deposition. Materials Science and Engineering A, 2010, 527(24-25): 6660-6665

[18] Yan H-G, Wu Y-Z, Chen J-H, Zhu S-Q, Liu Z-W, Tian J. Microstructure evolution of ZK40 magnesium alloy during high strain rate compression, Materials science and Technology. 2011, 27 (9): 1416-1421

[19] Wu Y Z, Yan H G, Chen J H, Du Y G, Zhu S Q, Su B. Microstructure and mechanical properties of ZK21 magnesium alloy processed by multiple forging at different strain rate. Materials Science and Engineering A, 2012, 556: 164-169.

[20] Zhu S Q, Yan H G, Chen J H, Wu Y Z, Su B, Du Y G, Liao X Z. Feasibility of high strain-rate rolling of magnesium alloy across a wide temperature range. Scripta Materialia, 2012, 67(4): 404-407

[21] Zhu S Q, Yan H G, Chen J H, Wu Y Z, Du Y G, Liao X Z. Fabrication of Mg-Al-Zn-Mn alloy sheets with homogeneous fine-grained structures using high strain-rate rolling in a wide temperature range. Materials Science Engineering A, 2013, 559: 765-772

[22] Wu Y Z, Yan H G, Chen J H, Zhu S Q, Su B, Zeng P L. Microstructure and mechanical properties of ZK60 alloy fabricated by multiple forging [J]. Material Science and Technology, 2013, 29(1): 54-59

[23] X. L. Chen, H. G. Yan, J. H. Chen, B. Su and Z. H. Yu. Effects of grain size and precipitation on liquation cracking of AZ61 magnesium alloy laser welding joints. Science and Technology of Welding and Joining, 2013, 18(6): 458-465

[24] Chen Jihua, Chen Zhenhua, Yan Hongge, Zhang Fuquan, Liao Kun. Effects of Sn addition on microstructure and mechanical properties of Mg-Zn-Al alloys. Journal of Alloy and Compound, 2008, 461(1-2): 209-215

[25] Chen Jihua, Chen Zhenhua, Yan Hongge, Zhang Fuquan. Microstructural characterization and mechanical properties of a Mg-6Zn-3Sn-2Al alloy. Journal of Alloy and Compound, 2009, 467(1-2): L1-L7

[26] Z.H. Chen, Y.Q. He, H.G. Yan, Z.G. Chen, X.J. Yin, G. Chen. Ambient temperature mechanical properties of Al–8.5Fe–1.3V–1.7Si/SiCP composite. Materials Science and Engineering A, 2007, 460-461: 180–185

[27]Yuan-zhi WU, Hong-ge YAN, Su-qin ZHU, Ji-hua CHEN, An-min LIU, Xian-lan LIU. Flow behavior and microstructure of ZK60 magnesium alloy compressed at high strain rate. Trans. Nonferrous Met. Soc. China, 2014, 24: 930-939

[28]Yu Haiyang, Yan Hongge, Chen Jihua. Effects of minor Gd addition on microstructures and mechanical properties of the high strain-rate rolled Mg-Zn-Zr alloys. Journal of Alloys and Compounds, 2014, 586: 757-765

[29] Z. M. Yang, H.G. Yan, J.H. Chen, B. Su, G.H. Zhang, Q. Zhao. Microstructural characterisation and liquation behaviour of laser welded joint of fine grained AZ91 magnesium alloy thin sheets. Science and Technology of Welding and Joining, 2015, 20(1), 27-34

[30]S.Q. Zhu, H.G. Yan, X.Z. Liao, S.J. Moody, G. Sha, Y.Z. Wu, S.P. Ringer. Mechanisms for enhanced plasticity in magnesium alloys. Acta Materialia, 2015, 82: 344–355

[31] Chao Chen, Jihua Chen, Hongge Yan, Bin Su, Min Song, Suqin Zhu. Dynamic precipitation, microstructure and mechanical properties of Mg-5Zn-1Mn alloy sheets prepared by high strain-rate rolling. Materials & Design, 2016, 100: 58-66

[32]Jimiao Jiang, MinSong, HonggeYan, ChaoYang, Song Ni. Deformation induced dynamic recrystallization and precipitation strengthening in an Mg-Zn-Mn alloy processed by high strain rate rolling.Materials Characterization, 2016, 121: 135-138

[33]Yang Xuanye, Yan Hongge, Chen Jihua, He Mao, Xu Feng, Zhang Zhengfu, Xu Hongmei. Solid state synthesis of ultrafine-LiCoO2 by enhanced thermal decomposition of carbonate precursors followed by double-calcining. Solid State Ionics, 2016, 289:159-167

[34]Meixin Cheng, Jihua Chena, Hongge Yan, Bin Sua, Zhaohui Yu, Weijun Xia, Xiaole Gong. Effects of minor Sr addition on microstructure, mechanical and bio-corrosion properties of the Mg-5Zn based alloy system. Journal of Alloys and Compounds, 2017, 691:95-102

[35] Feng Xu, Hongge Yan, Jihua Chen, Mao He, Zhengfu Zhang, Changling Fan,Gengshuo Liu. Improving electrochemical properties of LiCoO2by enhancing thermal decomposition of Cobalt and Lithium carbonates to synthesize ultrafine powders. Ceramics International, 2017, 43: 6494-6501

[36] Jiang Wu, Jihua Chen, Hongge Yan, Weijun Xia, Bin Su, Lang Yu, Gengshuo Liu, Min Song. Enhancing the mechanical properties of high strain rate rolled Mg–6Zn–1Mn alloy by pre- rolling. Journal of Materials Science, 2017, 52(17): 10557-10566

[37] Feng Xu, Hongge Yan, Jihua Chen, Zhengfu Zhang, Changling Fan. Improving electrochemical properties of LiNi1/3Co1/3Mn1/3O2 by enhancing thermal decomposition of carbonates to synthesize ultrafine powders. Journal of Electroanalytical Chemistry, 2018, 820: 118-122

[38] Jimiao Jiang, Jiang Wu, Song Ni, Hongge Yan, Min Song. Improving the mechanical properties of a ZM61 magnesium alloy by prerolling and high strain rate rolling. Materials Science & Engineering A, 2018, 712: 478-484

[39]Zou J K, Yan H G, Chen J H, Xia W J, Su B, Lei Y, Wu Q. Effects of Sn on microstructure and mechanical properties of as-rolled Mg-5Zn-1Mn alloy. Materials Science & Technology,

[40]Zhou B, Chen J H, Yan H G, Xia W J, Su B, Guo H, Zhu W J. To improve strength and bio-corrosion resistance of Mg-4Zn alloy via high strain rate rolling combined with double aging. Materials Letter,

获教育部技术发明一等奖1项、中国机械工业科技进步二等奖1项、其它部省级科技进步三等奖3项。