Keynote Speakers

Assoc. Prof. Svetlana Shambina,
Peoples' Friendship University of Russia (RUDN University), Russia

Svetlana L. Shambina graduated from Peoples’ Friendship university of Russia (Moscow) with a degree in Civil Engineering. She obtained her PhD diploma on Structural Mechanics in 1995. The name of PhD thesis was “Calculation of structures made of anisotropic composite materials”. The major fields of study are design and calculations of structures made of anisotropic composites, architecture and calculations of large-span structures of complex geometric shape.
At present she is an Associate professor of the Department Architecture and Civil Engineering in Peoples’ Friendship university of Russia (RUDN University).

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Plenary Speakers

Assoc. Prof. A.FROLOVSKAIA,
School of Engineering and construction, Siberian Federal University, Russia

Profole will be online afterwards..



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Invited Speakers

Prof. Ho-Sung Lee, Korea Aerospace Research Institute, Korea

Prof. Lee, Ho-Sung is a professor at Aerospace System Engineering Major, University of Science and Technology and at the same time a principal researcher at Korea Aerospace Research Institute, which is a government research institute. He attended University of North Carolina at Chapel Hill and University of California-Davis, where in 1990 he received his Doctor's degree in Materials Science. Since then, he has been a principal researcher at KARI, Korea Aerospace Research Institute. He is actively working on aerospace materials and manufacturing for space launcher and spacecraft. His expertise is Sueperplastic Forming and Solid State Bonding (Diffusion bonding, Friction stir welding, Pressure bonding, etc.) of lightweight aerospace alloys; Al-Li alloys, Titanium alloys, Super-alloys and Stainless Steels.


Speech Title:
Characterization of Elevated Temperature Mechanical Behavior by Blow Forming

Abstract: The analyses of the hydrostatic forming of thin sheets into cylindrical die provided the equivalent relationships between biaxial blow forming and tensile test. This paper gives an overview of current work in characterizing mechanical properties of some aerospace materials by convenient blow forming for manufacturing components. Finding the best material to use for a particular application is not simple and it depends on many factors including mission requirements like performance and safety, design requirements, strength to density ratio, operating temperature, and material technology prospects like current state of affordable materials/processes technologies. Since in most sheet metal forming operation biaxial as well as uniaxial stress state exists, it is important to understand the flow stress as a function of stress state. At constant gas pressure, the strain rate in which the metal sheet experiences varies and therefore the strain rate sensitivity can be obtained in a single loading. Tensile tests were performed at elevated temperature and materials parameters were compared with the one obtained from blow forming tests. The results include typical aerospace materials-aluminum alloys, titanium alloys, stainless steels, and superalloys.

 

 

Assoc. Prof. Burak Ozkal, Istanbul Technical Unniversity, Turkey

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