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Study of influence of plastic deformation on the corrosion resistance of the selected austenitic stainless steels.

Supervisor: prof. Ing. Mária Dománková, PhD.


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Project description:Austenitic stainless steels exhibiting usually an excellent corrosion resistance are used as a structural material in chemical, petrochemical and energy industries. However, when subjected to heating in the temperature range of 500-800 C, they are prone to sensitisation. In the sensitised condition, the steels are quite susceptible to intergranular corrosion and intergranular stress corrosion cracking. The sensitisation is caused by the precipitationof chromium rich carbides at the grain boundaries. The project will be concentrated on quantification of the following factors: degrees of strain, grain boundary character distribution, and concentration of interstitial elements. In the analysis of the AISI 304 steel, influence of the deformation induced martensite will also be considered.
Kind of project:VEGA ()
Department:Department of Material Engineering (FCE)
Project identification:1/2113/05
Project status:Successfully completed
Project start date :01. 01. 2005
Project close date:31. 12. 2007
Number of workers in the project:1
Number of official workers in the project:0