publication . Article . 2016

High Nitrogen Austenitic Stainless Steel Precipitation During Isothermal Annealing

Maria Domankova; Katarína Bártová; Ivan Slatkovský; Peter Pinke;
Open Access English
  • Published: 01 Jul 2016 Journal: Materiálové Inžinierstvo (issn: 1335-0803, eissn: 1338-6174, Copyright policy)
  • Publisher: Univerzity of Zilina. Faculty of Mechanical Engineering
Abstract
The time-temperature-precipitation in high-nitrogen austenitic stainless steel was investigated using light optical microscopy, transmission electron microscopy, selected area diffraction and energy-dispersive X-ray spectroscopy. The isothermal precipitation kinetics curves and the corresponding precipitation activation energy were obtained. The diffusion activation energy of M2N precipitation is 129 kJ/mol. The results show that critical temperature for M2N precipitation is about 825°C with the corresponding incubation period 2.5 min.
Subjects
Medical Subject Headings: technology, industry, and agriculture
free text keywords: Stainless Steel, Annealing, Sensitization., Materials of engineering and construction. Mechanics of materials, TA401-492
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