副教授/硕士生导师

        科研简介：已主持国家自然科学基金青年基金、吉林省科技厅重点研发项目、吉林省科技厅青年科研基金项目、吉林省教育厅“十三五”规划项目、吉林省教育厅“十三五”重点研究项目、中国博士后面上项目等纵向项目，以及上海无线电设备研究所、郑州煤矿机械集团股份有限公司等多项横向项目。以第一作者或通讯作者在Materials Science & Engineering A、Materials Letters、Materials and Design、International Journal of Fatigue、Engineering Failure Analysis等国际高水平学术期刊上发表SCI检索论文30余篇。现为中国焊接学会青年工作委员会委员，吉林大学青年科技工作者协会会员，Applied Surface Science、International Journal of Mechanical Sciences、Journal of Materials Processing Technology等多家SCI收录杂志的通讯审稿人。

研究方向：

• 表面改性工程

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• 智能焊接技术

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• 结构安全评价

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• 生物界面摩擦

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主持科研项目：

• 国家自然科学基金青年基金，航空发动机叶片复杂曲面超声冲击/滚压复合强化理论与关键技术研究，负责人，结题

• 吉林省科技厅重点研发项目，柔性超声辅助轨迹自动识别焊接新技术，负责人，在研

• 上海无线电设备研究所横向项目，散热冷板扩散焊技术开发，负责人，在研

• 吉林省教育厅“十三五”科学技术项目，超声冲击/滚压复合纳米强化动车组车轴腐蚀疲劳行为研究，负责人，在研

• 吉林省教育厅“十三五”科学技术项目，基于表面超声纳米强化技术的高速动车组车轴疲劳延寿机理研究，负责人，结题

• 吉林省科技厅青年科研基金项目，复杂机械表面超声冲击/滚压复合加工研究，负责人，结题

• 吉林大学青年教师创新项目，机械表面超声冲击/滚压联合离子注入纳米改性理论，负责人，结题

• 另作为主要参加人参与研究国家自然科学基金、省重点研发项目等多项课题。

发表科研论文：

以第一作者或通讯作者发表SCI检索论文30余篇，主要如下：

• Yu Liu, Xiaohui Zhao*, Dongpo Wang. Determination of the plasticproperties of materials treated by ultrasonic surface rolling process throughinstrumented indentation. Materials Science & Engineering A, 2014. 

• Y. Liu, X. Zhao*, D. Wang. Effective FE model to predict surface layercharacteristics of ultrasonic surface rolling with experimental validation. Materials Science and Technology, 2013.

• Yu Liu, Guilian Xue, Xiaohui Zhao*. Strain-induced gradient crystallineevolution mechanism of Ti-6.5Al-3.5Mo-1.5Zr-0.3Si during ultrasonic impactingand rolling process. Micro & Nano Letters, 2017.

• Yu Liu, Yanjun Zhang, Xiaohui Zhao*. Nanostructure evolution of as-cast magnesium alloy induced by ultrasonic impacting and rolling.  Micro & Nano Letters, 2017.

• Huijing Zhang, Xiaohui Zhao, Yu Liu*. Effect of high frequency impacting and rolling on fatigue crack growth of 2A12 aluminum alloy welded joint. International Journal of Fatigue,  2021.

• Xiaohui Zhao, Gen Liu, Desheng Xu, Chunhua Hu, Yu Liu*. Effect of Water Environment on Fatigue Behavior in X80 High Strength Steel CO2 Arc Welding Welded Joint. Metals,  2021.

• Xiaohui Zhao, Kaichao Liu, Desheng Xu, Yu Liu*, Chunhua Hu. Effects of Ultrasonic Surface Rolling processing and Subsequent Recovery Treatment on the Wear Resistance of AZ91D Mg Alloy. Materials, 2020.

• Xiaohui Zhao, Haichao Zhang, Yu Liu*. Effect of laser surface remelting on the fatigue crack propagation rate of 40Cr steel. Results in Physics，2019.

• Xiaohui Zhao, Zhaoyi Sun, Desheng Xu, Yu Liu*. Local Fatigue Strength Evaluation of Shot Peened 40Cr Notched Steel. Metals, 2018.

• Xiaohui Zhao, Hongyang Zhou, Yu Liu*. Effect of shot peening on the fatigue properties of nickel-based superalloy GH4169 at high temperature.  Results in Physics, 2018.

• Xiaohui Zhao, Bo Zhao, Yu Liu*. Research on friction and wear behavior of gradient nano-structured 40Cr steel induced by high frequency impacting and rolling. Engineering Failure Analysis，2018. 

• Xiaohui Zhao, Zhigang Peng, Yu Liu*. Fatigue behaviour of notched U75V-steel treated by bearing ultrasonic peening. SURFACE ENGINEERING，2018.

• Xiaohui Zhao,  Yanjun Zhang, Yu Liu*. Surface Characteristics and Fatigue Behavior of Gradient Nano-Structured Magnesium Alloy. Metals, 2018.

• Xiaohui Zhao, Guilian Xue, Yu Liu*. Dry Sliding Tribological Behavior of TC11 Titanium Alloy Subjected to the Ultrasonic Impacting and Rolling Process. Metals, 2017.

• Xiaohui Zhao, Guilian Xue, Yu Liu*. Gradient crystalline structure induced by ultrasonic impacting and rolling and its effect on fatigue behavior of TC11 titanium alloy. Results in Physics, 2017.

• Xiaohui Zhao, Yanjun Fan, Huiyuan Wang, Yu Liu*. Revealing the surfacenano-enhancing mechanism of α-titanium alloy by microstructure evolution. Materials Letters, 2015. 

• Xiaohui Zhao, Yanjun Fan, Yu Liu*, Huiyuan Wang, Peng Dong. Evaluation of fatigue fracture mechanism in a flash butt welding joint of a U75V type steel for rail road applications. Engineering Failure Analysis, 2015.

• Xiaohui Zhao, Fuyong Li, Yu Liu*, Yanjun Fan. Fatigue Behavior of a Box-Type Welded Structure of Hydraulic Support Used in Coal Mine. Materials, 2015.