主讲人简介：
马松云，博士，德国亚琛工业大学通用力学研究所高级研究员，德国亚琛工业大学通用力学学会会长，中车集团长春轨道客车德国中心技术顾问。研究方向:先进结构与材料强度计算，围绕先进材料与结构设计中的前沿实验方法和理论计算，针对材料与结构非线性损伤本构及损伤行为，微动磨损，环境交互作用下腐蚀疲劳等课题，开展多尺度分析和疲劳强度方法方向的科研工作和发表论文。发表论文和专著50余篇。
讲座内容简介：
Biodegradable magnesium alloys have been developed as promising biomedical materials for temporary implants. To facilitate the implant design, it is essential to understand and quantify the corrosion behavior of magnesium alloys under mixed chemo-mechanical loadings. To this end, we proposed a multiphase-field model based on the variational principle to describe pitting corrosion and ductile fracture in biodegradable magnesium alloys. The multiphase-field model was calibrated and validated by our in vitro experiments with smooth and notched specimens of WE43 magnesium alloy. The experimental and computational results of the immersion tests and slow strain rate tensile-corrosion tests demonstrated that the proposed model can capture the corrosion, deformation and fracture behaviors of WE43 magnesium alloy.
