Optimalizace popouštěcí teploty plechů z oceli P460/630 v závislosti na výsledcích mechanických zkoušek
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Podgrabiński, Miloš
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Vysoká škola báňská - Technická univerzita Ostrava
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Abstract
Bachalor’s work deals with influence of heat treatment – tempering – after normalizing annealing steel plates P460/630 according to VdTÜV – Werkstoffblatt 531 and optimization of tempering temperature with aimed at real achievement of requierement mechanical properties – yield strength, tensile strength, elongation at testing temperature +20°C and impact test at testing temperature -40°C resp. -50°C. During experimental works were evaluated 8 combinations of régime of heat treatment including one temperature of normalizing, 8 temperatures of tempering and corresponding dwells on the temperature of tempering.
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Import 26/06/2013
Subject(s)
steel with min. value Rm = 630MPa, heat treatment, temperature of tempering, dwell on the temperature, yield strength, tensile strength, impact test, L-M parameter.