铝合金疲劳行为研究及其微结构控制

1、具体研究方向

（1）铝合金疲劳行为研究及其微结构控制；     

（2）铝合金微结构热稳定性研究以及新型耐热铝合金制备；

（3）铝合金腐蚀机理及其控制技术

（4）铝合金强韧化及其机理。

2、研究课题

本课题组自95年以来，主持及承担了国家973项目、国家863项目、国防重点型号攻关项目、国家自然科学基金以及省、部级项目共计23项，其中国家级项目如下：

（1）国家重点型号项目“****铝合金国产化开发研究”，项目来源：国防科工局。

（2）国家重点型号项目“****铝合金薄板研制”，项目来源：国防科工局。

（3）国家重点型号项目“****-T83型材研制”。项目来源：国防科工局。

（4）国家“十五”国防重点攻关项目“****飞机耐热蒙皮材料试制”。项目来源：国防科工局。

（5）国防科工委航空先进技术重点项目“复杂陶瓷型芯研制” 。项目来源：国防科工局。

（6）2国家“十五”重点863项目“超高强度高韧性铝合金的研究开发与产业化”。

（7）国家“973”子项目“铝合金耐疲劳特征微结构的形成与损伤机理”。项目来源：科技部973项目。

（8）国家“973”子项目“蒙皮用耐损伤中强铝合金材料的宏/细观均匀性调控及作用”。项目来源：科技部973项目。

（9）国家自然科学基金项目“超塑性原理在低碳型钢晶粒超细化中的应用”。项目来源：国家自然基金委。

（10）国家自然科学基金项目“Al-Cu-Mg合金抗疲劳的溶质原子团簇尺寸效应机理”。项目来源：国家自然基金委。

3、工程化成果

（1）发明了新一代耐热铝合金2A43，该合金不仅具有优异的耐高温性能，而且具有优良的加工工艺性能，可以加工成板材、锻件、挤压材，还可以进行焊接加工。所开发的工业化锻件和板材已经在某尖端航天飞行器上获得应用。

（2）发明了新一代耐热铸造铝合金ZNZL212，该新型铸造耐热铝合金不仅具有高耐热性能，而且具有优良的铸造工艺性，可以铸造复杂结构的大规格铸件，已经开发出工业化航天飞行器舱段铸件。

A—长条形舱段

B—异形截面舱段

C—筒形对称舱段1

D—筒形对称舱段2

（3）与企业合作研制的×××铝合金型材与厚板，已经成功应用于空警-2000预警机。

（4）与企业合作研制的×××铝合金薄板，已经成功应用于运-20大型运输机。

（5）与企业合作研制成功第一根国产铝合金石油钻杆，已经取得钻井试验成功。

4、授权国家发明专利

（1）一种高耐热性Al-Cu-Mg-Ag合金，专利号：ZL200810030979.1，授权公告号：CN101245430 B

（2）一种使铝合金获得高热稳定性抗疲劳微结构的处理方法，专利号：ZL200710035002.4，授权公告号：101082115 B

（3）提高固溶冷变形后时效强化铝铜镁银合金力学性能的方法，专利号：ZL201110093645.0

（4）一种添加方石英的硅基陶瓷型芯，专利号：ZL201110093651.6

（5）刘志义，夏鹏，李福东，古艳霞，林茂，一种提高铝合金抗疲劳性能的热处理方法，专利号：ZL201210578790.2

（6）刘志义，于迪尔，古艳霞，应普友，周璇玮，夏琳燕，刘雄，刘灿威，李福东，一种超高强铝锂合金及热处理工艺，专利号：ZL201210143411.7

（7）刘志义，夏鹏，高利芳，陈旭，林茂，陈来，同时提高铝合金强度、抗疲劳性能的热处理方法，专利号：ZL201210404661.1

（8）刘志义，应普友，李福东，汪啸虎，夏琳燕，提高铝合金固溶态预拉伸板抗疲劳性能的热处理工艺，ZL201310474443.x。

（9）刘志义，林茂，陈来，王恒，夏鹏，具有高的热稳定性和抗疲劳性能的铝合金及热处理工艺，ZL201310381833.2

（10）刘志义，林亮华，杨荣先，陈来，陈旭，一种耐剥落腐蚀的高强铝锌镁铜合金及热处理工艺，ZL201310594746.5

（11）刘志义，李福东，夏鹏，鲁璐青，应普友，一种提高Al-Cu-Mg合金抗疲劳性能的方法，ZL201310556395.9

（12）刘志义，夏鹏，李福东，鲁璐青，林茂，一种提高Al-Cu-Mg合金抗疲劳性能的热处理方法，ZL201310475471.3

（13）刘志义，杨荣先，李俊霖，刘文娟，周亚茹，林亮华，一种低纯度Al-Zn-Mg-Cu合金时效热处理方法，ZL201510160140.X

（14）刘志义，曾娣平，柏松，赵娟刚，刘冠华，一种具有绝缘和耐磨耐蚀性能的铝合金石油钻探管螺纹接头的制备方法，ZL201810165198.7（授权公告号：CN108286065.B）

（15）刘志义，曹靖，陈烨，王建，柏松，一种适用于高Ag铝合金的熔炼制备方法，ZL201810369112.2（授权公告号：CN108486396.B）

（16）刘志义，胡扬成，刘飞，陈烨，贾鹏翔，一种含银Al-Cu-Mg合金及获得高强度P织构的热处理方法, ZL201711463488.1（授权公告号：CN108103373.B）

（17）刘志义，王建，曹靖，应普友，刘冠华，柏松，适用于大规格复杂结构铸件的高强耐热铝合金及制备工艺，ZL201810369112.2（授权公告号：CN108251724.B）

（18）刘志义，应普友，王建，曹靖，刘冠华，柏松，一种铝铜镁银合金及其热处理方法，ZL201618000350.8（国防专利）（已解密）

（19）刘志义，胡扬成，刘飞，陈烨，贾鹏翔，一种具有高强度Goss+P织构和优异抗疲劳性能的Al-Cu-Mg合金及工艺, ZL201810411530.3（授权公告号：CN108504915.B）

（20）刘志义，王建，曹靖，应普友，刘冠华，柏松，一种低孔隙率的高强耐热铸造铝铜合金及其制备工艺，ZL201810253126.8（授权公告号：CN108330362.B）

（21）刘志义，陈烨，王建，曹靖，柏松，一种高合金化铝合金薄板高成材率加工方法，ZL201910523344.3（授权公告号：CN110306136.B）

（22）刘志义，赵齐，黄田田，李俊霖，夏鹏，鲁璐青，一种具有高耐疲劳损伤、高强度高斯织构铝合金材料及其制备方法，ZL 201618000349.5（国防专利未解密）。

（23）刘志义，曾娣平，柏松，赵娟刚，刘冠华，一种耐腐蚀耐高温陶瓷-有机复合涂层及其制备方法和作为金属耐腐涂层的应用, ZL201810813268.5（授权公告号：CN109127332B）

（24）刘志义，李沙沙，赵娟刚，刘冠华，柏松，一种提高7000系高强铝合金石油钻探管材料热强性的方法，ZL201810904048.3（授权公告号：CN109022963 B）

5、发表的代表性论文

课题组在铝合金、镁合金和超高强钢等研究方面发表论文一百八十余篇，其中代表性论文如下：

（1）Zhiyi Liu, Song Bai and SukBong Kang，Low-temperature dynamic recrystallization occurring at a high deformation temperature during hot compressionof twin-roll-cast Mg–5.51Zn–0.49 Zr alloy，Scripta Materialia 60 (2009) 403–406

（2）Song Bai, Zhiyi Liu*, Xuanwei Zhou, Yanxia Gu and Dier Yu，Strain-induced dissolution of Cu–Mg co-clusters and dynamic recrystallization near a fatigue crack tip of an underaged Al–Cu– Mg alloy during cyclic loading at ambient temperature，Scripta Materialia 64 (2011) 1133–1136.

（3）Zhiyi Liu*, FudongLi, PengXia, SongBai, YanxiaGu, DierYu, SuminZeng, Mechanisms for Goss-grains induced crack deflection and enhanced fatigue crack propagation resistance in fatigue stageII of an AA2524alloy, Materials Science & Engineering A,625(2015):271–277

（4） Meng Liu, SongBai, ZhiyiLiu*, XuanweiZhou, PengXia, SuminZeng, Analysis of modulus hardening in an artificial aged Al–Cu–Mg alloy by atom probe tomography, MaterialsScience & Engineering A,629(2015):23–28

（5）Song Bai, Xuanwei Zhou, ZhiyiLiu*, PuyouYing, MengLiu, Sumin Zeng, Atom probe tomography study of Mg-dependent precipitation of Ω phase ininitial aged Al-Cu–Mg–Ag alloys, Materials Science&EngineeringA637(2015)183–188

（6）Lianghua Lin , Zhiyi Liu*, Song Bai, Puyou Ying , Xiaohu Wang, Effects of germanium on quench sensitivity in Al–Zn–Mg–Zr alloy, Materials and Design 86 (2015) 679–685

（7）Liu, M., Liu, Z*., Bai, S., Xia, P., Ying, P., Zeng, S., Solute cluster size effect on the fatigue crack propagation resistance of an underaged Al-Cu-Mg alloy, International Journal of Fatigue, 84(2016) 104-112

 （8）Song Bai, Zhiyi Liu*, Puyou Ying, Jian Wang, Junlin Li, Investigation of modulus hardening of various co-clusters in aged Al-Cu-Mg-Ag alloy by atom probe tomography, MaterialsScience&EngineeringA668(2016)234–242

（9）Song Bai, Hongshuang Di, Zhiyi Liu*,Dislocation interaction with Ω phase in crept Al–Cu–Mg–Ag alloys, Materials Science & Engineering A 651(2016)399–405.

（10）Fudong Li, Zhiyi Liu*, Wenting Wu, Peng Xia, Puyou Ying, Qi Zhao, Junlin Li, SongBai, Chengwu Ye, On the role of texture in governing fatigue crack propagation behavior of 2524 aluminum alloy, Materials Science & EngineeringA 669(2016) 367 –378.

（11）Fudong Li, Zhiyi Liu*, WentingWu, Qi Zhao, Yaru Zhou, Song Bai, Xiaohu Wang, Guanghua Fan, Slip band formation in plastic deformation zone at crack tip in fatigue

stage II of 2xxx aluminum alloys, International Journal of Fatigue 91 (2016) 68–78

（12）Peng Xia, Zhiyi Liu*, Song Bai, Luqing Lu, Lifang Gao, Enhanced fatigue crack propagation resistance in a superhigh strength Al–Zn–Mg–Cu alloy by modifying RRA treatment, Materials Characterization 118 (2016) 438–445.

（13） Qi Zhao, Zhiyi Liu, Tiantian Huang, Peng Xia, Fudong Li, Enhanced fracture toughness in an annealed Al-Cu-Mg alloy by increasing Goss/Brass texture ratio, Materials Characterization 119 (2016) 47–54.

（14）Qi Zhao, Zhiyi Liu*, Shasha Li, Tiantian Huang, Peng Xia, Luqing Lu., Evolution of the Brass texture in an Al-Cu-Mg alloy during hot rolling, Journal of Alloys and Compounds 691 (2017) 786-799

（15）Fudong Li, Zhiyi Liu*, Wenting Wu, Peng Xia, Puyou Ying, Yaru Zhou,Enhanced fatigue crack propagation resistance of Al-Cu-Mg alloy by intensifying Goss texture and refining Goss grains, Materials Science & Engineering A 679 (2017) 204–214

（16）Yaru Zhou, Zhiyi Liu*, Song Bai, Puyou Ying, Lianghua Lin, Effect of Ag additions on the lengthening rate of Ω plates and formation of σ phase in Al-Cu-Mg alloys during thermal exposure, Materials Characterization 123 (2017) 1–8

（17）Lianghua Lin, Zhiyi Liu*, Song Bai, Yaru Zhou, Wenjuan Liu, Qing Lv, Effects of Ge and Ag additions on quench sensitivity and mechanical properties of an Al–Zn–Mg–Cu alloy, Materials Science & Engineering A 682 (2017) 640–647

（18）Meng Liu, Zhiyi Liu*, Song Bai, Peng Xia, Puyou Ying , An Wang, Analysis on the dissolution behavior of various size Cu-Mg co-clusters near a fatigue crack tip of underaged Al-Cu-Mg alloy during cyclic loading, Journal of Alloys and Compounds 699 (2017) 119-125.

（19）Song Bai, Puyou Ying, Zhiyi Liu*, Jian Wang, Junlin Li，Quantitative transmission electron microscopy and atom probe tomography study of Ag-dependent precipitation of Ω phase in Al-Cu-Mg alloys，Materials Science & Engineering A 687 (2017) 8–16.

（20）Tiantian Huang, Qi Zhao, Zhiyi Liu*, Song Bai,Enhanced damage tolerance through reconstructing residual stress and Cu-Mg co-clusters by pre-rolling in an Al-Cu-Mg alloy, Materials Science & Engineering A 700 (2017) 241–249.

（21）Song Bai, Zhiyi Liu*, Puyou Ying, Jian Wang, An Wang, Quantitative study of the solute clustering and precipitation in a prestretched Al-Cu-Mg-Ag alloy, Journal of Alloys and Compounds 725 (2017) 1288-1296.

（22）Wenting Wu, Zhiyi Liu*, Song Bai, Fudong Li, Meng Liu, An Wang, Anisotropy in fatigue crack propagation behavior of Al-Cu-Li alloy thick plate, Materials Characterization 131 (2017) 440–449.

（23）Puyou Ying, Zhiyi Liu*, Song Bai, Meng Liu, Lianghua Lin, Peng Xia, Linyan Xia, Effects of pre-strain on Cu-Mg co-clustering and mechanical behavior in a naturally aged Al-Cu-Mg alloy, Materials Science & Engineering A 704 (2017) 18–24.

（24）Puyou Ying, Zhiyi Liu*, Song Bai, Jian Wang, Junlin Li, Meng Liu, Linyan Xia, Effects of airtificial aging on the Cu-Mg co-clustering and mechanical behavior in a pre-strained Al-Cu-Mg alloy, Materials Science & Engineering A 707 (2017) 412–418.

（25）Wenting Wu, Zhiyi Liu, Yangcheng Hu , Fudong Li, Song Bai ,Peng Xia, An Wang, Chengwu Ye, Goss texture intensity effect on fatigue crack propagation resistance in an Al-Cu-Mg alloy Journal of Alloys and Compounds 730 (2018) 318-326

（26）Lianghua Lin, Zhiyi Liu*, Wenjuan Liu, Yaru Zhou, Tiantian Huang, Effects of Ag Addition on Precipitation and Fatigue Crack Propagation Behavior of a Medium- Strength Al-Zn-Mg Alloy, Journal of Materials Science & Technology, 34 (2018) 534–540

（27）Qi Zhao, Zhiyi Liu*, Shasha Li, Yangcheng Hu, Song Bai, Effect of S phase characteristics on the formation of recrystallization textures of an Al-Cu-Mg alloy, Journal of Alloys and Compounds 747 (2018) 293-305.

（28）Fei Liu, Zhiyi Liu⁎, Meng Liu, Yangcheng Hu, Ye Chen, Song Bai, Analysis of empirical relation between microstructure, texture evolution and fatigue properties of an Al-Cu-Li alloy during different pre-deformation processes, Materials Science & Engineering A 726 (2018) 309–319.

（29）Qi Zhao, Zhiyi Liu⁎, Song Bai, Shasha Li, Yangcheng Hu, Peng Xia, Coincidence site lattice boundary mechanism for the preferred growth of Goss and Cube grains during annealing in an Al-Cu-Mg alloy, Materials Characterization 141 (2018) 193–211.

（30）Song Bai, Xinlei Yi, Zhiyi Liu, **, Jian Wang, Juangang Zhao, Puyou Ying, The influence of preaging on the strength and precipitation behavior of a deformed Al-Cu-Mg-Ag alloy,Journal of Alloys and Compounds，764 (2018)： 62-72。

（31）Yangcheng Hu, Zhiyi Liu *, Qi Zhao , Song Bai and Fei Liu, P-Texture Effect on the Fatigue Crack Propagation Resistance in an Al-Cu-Mg Alloy Bearing a Small Amount of Silver, Materials, 2018, 11, 2481; doi:10.3390/ma11122481

（32）Song Bai, Xinlei Yi, Guanhua Liu, Zhiyi Liu∗∗, Jian Wang, Effect of Sc addition on the microstructures and age-hardening behavior of an Al-Cu-Mg-Ag alloy, Materials Science & Engineering A 756 (2019) 258–267.

（33）Song Bai∗ , Tiantian Huang, He Xu, Zhiyi Liu,∗∗, Jian Wang, Xinlei Yi, Effects of small Er addition on the microstructural evolution and strength properties of an Al–Cu–Mg–Ag alloy aged at 200°C, Materials Science & Engineering A 766 (2019): 138351

（34）Song Bai∗ , He Xu, Zhiyi Liu, Xinlei Yi, Juangang Zhao, Jian Wang, On the role of the solute partitioning and chemistry in initial precipitation of Ω plates, Materials Science & Engineering A 766 (2019) 138339.

（34）Diping Zeng, Zhiyi Liu*, Song Bai and Jian Wang, Inflfluence of Sealing Treatment on the Corrosion Resistance of PEO Coated Al-Zn-Mg-Cu Alloy in Various Environments, Coatings 2019, 9, 867; doi:10.3390/coatings9120867.

（35）Qi Zhao, Zhiyi Liu*, Yangcheng Hu, Fudong Li, Cheng Luo,Shasha Li,Texture effect on fatigue crack propagation in aluminium alloys: an overview,Materials Science and Technology, (2019)35, 15: 1789-1802.

（36）Fei Liu, Zhiyi Liu*, Song Bai, Pengxiang Jia, Pengfei Yan and Yangcheng Hu, Dynamic dissolution and texture evolution of an Al-Cu-Mg-Ag alloy during hot rolling, Journal of Alloys and Compounds 827 (2020) 154254.

（37）Fei Liu, Zhiyi Liu* , Pengxiang Jia, Effect of T-phase on microstructure of the hot rolled Al-Cu-Mg alloy, Journal of Alloys and Compounds 825 (2020) 154190.

（38）Juangang Zhao, Zhiyi Liu* , Song Bai**, Diping Zeng, Lei Luo,Jian Wang Effects of natural aging on the formation and strengthening effect of G.P. zones in a retrogression and re-aged Al-Zn-Mg-Cu alloy, Journal of Alloys and Compounds 829 (2020) 154469.

（39）Lei Luo, Zhiyi Liu,*, Song Bai*, Juangang Zhao, Diping Zeng, Jian Wang, Jing Cao 2,3 and Yangcheng Hu, Hot Deformation Behavior Considering Strain Effffects and Recrystallization Mechanism of an Al-Zn-Mg-Cu Alloy, Materials 2020, 13, 1743; doi:10.3390/ma13071743.

（40） Lianghua Lin, Zhiyi Liu⁎ , Wenwei Zhuang , Haijian Peng, Effffects of pre-strain on the surface residual stress and corrosion behavior of an Al-Zn-Mg-Cu alloy plate, Materials Characterization 160 (2020) 110129

6、课程教学

目前承担《材料科学基础》本科生双语课程教学、《人类文明与材料》新生课教学和《高等物理冶金》、《金属力学性能的物理理论》硕士生课程及《材料科学前沿》博士生课程教学任务。曾经承担《金属热处理》、《金属力学性能》等课程的教学任务。

7、研究生培养

已毕业博士研究生14人、硕士研究生56人，其中二人获得省优秀硕士学位论文、一人获得校级优秀毕业生。在读博士研究生8人，硕士研究生6人。

截止2021年的毕业和在读硕士、博士研究生名单