Unconventional Thermomechanical Treatment of Advanced High Strength Low-Alloy Steel

Kód výsledku v IS VaVaI

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Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

Unconventional Thermomechanical Treatment of Advanced High Strength Low-Alloy Steel

Popis výsledku v původním jazyce

Modern advanced high strength steels processed using unconventional heat or thermomechanical treatments can attain substantially better properties when compared to conventional treatments. This paper presents new possibilities of thermomechanical treatment for 42SiCr steel. Very high strength can be reached using conventional treatments, but ductility drops down to lower values. The aim of this experiment was to design and test an unconventional thermomechanical treatment procedure in order to reach a yield strength of up to 2000 MPa with ductility over 10%. For this purpose, the new kind of heat treatment the Q-P process (Quenching - Partitioning) was modified and optimized in several steps. The stability of retained austenite was determined by meansof neutron diffraction under cold deformation. The influence of the technological process parameters on structure development was documented via metallography and the resulting mechanical properties were measured by means of tensile test.

Název v anglickém jazyce

Unconventional Thermomechanical Treatment of Advanced High Strength Low-Alloy Steel

Popis výsledku anglicky

Modern advanced high strength steels processed using unconventional heat or thermomechanical treatments can attain substantially better properties when compared to conventional treatments. This paper presents new possibilities of thermomechanical treatment for 42SiCr steel. Very high strength can be reached using conventional treatments, but ductility drops down to lower values. The aim of this experiment was to design and test an unconventional thermomechanical treatment procedure in order to reach a yield strength of up to 2000 MPa with ductility over 10%. For this purpose, the new kind of heat treatment the Q-P process (Quenching - Partitioning) was modified and optimized in several steps. The stability of retained austenite was determined by meansof neutron diffraction under cold deformation. The influence of the technological process parameters on structure development was documented via metallography and the resulting mechanical properties were measured by means of tensile test.

Druh

D - Stať ve sborníku

CEP obor

JG - Hutnictví, kovové materiály

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2010

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

Proceedings of the 7th International Conference of DAAAM Baltic Industrial Engineering

ISBN

978-9985-59-982-2

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

435-440

Název nakladatele

DAAAM International

Místo vydání

Tallinn

Místo konání akce

Tallinn

Datum konání akce

22. 4. 2010

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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