霍庆欢 - 中南大学 - 材料科学与工程学院

个人简介

日本东北大学, 中南大学工作经历 2018/03-至今，中南大学，材料科学与工程学院，副教授 2017/10-2018/03，日本东北大学，材料学系，研究员

研究领域

1. 金属微观结构的FIB/TEM表征：利用EBSD、FIB和TEM等表征设备及国际领先的表征技术手段，分析位错、孪晶和析出相等的交互作用，深度阐明微观组织的演变机理。 2. 轻金属塑性变形和再结晶研究：系统研究稀土元素对镁、铝等轻金属塑性变形和再结晶机制的影响，丰富轻金属的基础理论，服务轻金属新产品的开发和应用。 3. 轻金属长期服役性能及机理研究：探明金属在室温至中高温及复杂环境下的疲劳和蠕变断裂根源，提出合理有效的解决办法，减少结构件在日常生活中的突然破断。 4. 晶体塑性有限元模拟仿真：将模拟仿真与SEM/EBSD/FIB等多种表征手段相结合，即时掌握塑性变形的瞬间损伤分布，精准预测金属的长期服役寿命。

近期论文

查看导师新发文章（温馨提示：请注意重名现象，建议点开原文通过作者单位确认）

1. Enhancing creep properties of a hot-rolled Mg-4Y binary alloy via a new thought of inhibiting cross-slip, Materials Characterization, 147 (2019) 64-71. (JCR Q1) 2. Creep behaviors of a highly concentrated Mg-18wt.%Gd binary alloy with and without artificial aging, Journal of Alloys and Compounds, 774 (2019) 1036-1045. (JCR Q1) 3. Enhanced mechanical properties of a hot-extruded AZ80 Mg alloy rod by pre-treatments and post-hot compression, Journal of Alloys and Compounds, 740 (2018) 180-193. (JCR Q1) 4. Dynamic recrystallization behaviors of Mg-Gd-Y-Zn-Zr alloy with different morphologies and distributions of LPSO phases, Materials Science and Engineering A, 715 (2018) 389-403. (JCR Q1) 5. Damage analysis of hot-rolled AZ31 Mg alloy sheet during uniaxial tensile testing under different loading directions, Materials Science and Engineering A, 710 (2018) 289-299. (JCR Q1) 6. Creep behaviors of hot compressed Mg-4Y-2Nd-0.2Zn-0.5Zr alloy with and without aging, Materials Science and Engineering A, 708 (2017) 460-468. (JCR Q1) 7. Enhanced fatigue properties of cast AZ80 Mg alloy processed by cyclic torsion and low-temperature annealing, Materials Science and Engineering A, 696 (2017) 52-59. (JCR Q1) 8. Stress-strain hysteresis and strain hardening during cyclic tensile test of Mg-0.6at%Y alloy, Materials Science and Engineering A, 678 (2016) 235-242. (JCR Q1) 9. Enhancement of tensile ductility and stretch formability of AZ31 magnesium alloy sheet processed by cross-wavy bending, Journal of Alloys and Compounds, 581 (2013) 230-235. (JCR Q1) 10. Mechanical behavior and deformation mechanisms of Mg-3Al-1Zn alloy at liquid nitrogen temperature, Materials Letters, 109 (2013) 78-82. (JCR Q1) 11. Microstructural and textural evolution of AZ61 magnesium alloy sheet during bidirectional cyclic bending, Materials Characterization, 79 (2013) 43-51. (JCR Q1) 12. Texture weakening of AZ31 magnesium alloy sheet obtained by a combination of bidirectional cyclic bending at low temperature and static recrystallization, Journal of Materials Science, 48 (2013) 913-919. (JCR Q1)