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丹麦技术大学Xiaodan Zhang高级研究员讲座通知

发布时间:2019-12-24 点击数:

应先进制造技术研究所张俊教授邀请,丹麦技术大学Xiaodan Zhang高级研究员将于1226日来访学院,并做讲座。讲座信息如下:

讲座时间: 1226日下午14:30-16:00

讲座地点:曲江校区西五楼A420会议室

讲座人: Xiaodan Zhang, Senior Researcher, Technical University of Denmark

讲座题目:Local stress and strain in heterogeneous deformation microstructure of metals

摘要:

Heterogeneity is ubiquitous in the industrial production of metallic components, due to friction, wear and the heterogeneous distribution of stress and strain. For investigation of the mechanical behavior of heterogeneity in deformed metals, a methodology is required to account for variations of structural parameters and strength on multiple length scales from the nanometer to the macroscopic scale. Two cases are given: a graded nanostructure in shot-peened low carbon steel and a heterogeneous structure of a compressed AA 1050 ring under nearly full sticking conditions. To underpin the findings in the heterogeneous structure, the same techniques were applied in an analysis of the homogeneous structures. The analyses support the idea that the local-region microstructure in a heterogeneous structure evolves in accordance with universal mechanisms and principles established for the deformation microstructure of polycrystalline metals.

讲座人简介:Xiaodan Zhang

*Degrees:

l Doctor of Engineering (09 July, 2009), Department of Materials Science and Engineering, Tsinghua University, Beijing, China, 2009

l Bachelor of Engineering, Department of Materials Science and Engineering, Central South University, China, 2002

*Positions:

l 01. 2018 – present: Senior Researcher, Department of Mechanical Engineering, DTU, Denmark

l 05. 2016 – 12. 2017: Senior Researcher, Department of Wind Energy, DTU, Denmark

l 06. 2012 – 04. 2016: Researcher, Department of Wind Energy, DTU, Denmark

l 01. 2012 – 05. 2012: Post Doc, Department of Wind Energy, DTU, Denmark

l 08. 2009 – 12. 2011: Post Doc, Materials Research Division, Ris➢, Denmark

*Research Area:

l Heterogeneous microstructure formation and its thermomechanical response;

l Surface optimization by mechanical and chemical treatments;

l Advanced in-situ/ex-situ mechanical testing in electron microscopes;

l Microstructure-property relationships of metals;

l Failure analysis of metallic components.

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