Study of Hydrogen Embrittlement of the TRIP 800 Steels by Means of Tensile Tests at Simultaneous Hydrogen Charging

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

Study of Hydrogen Embrittlement of the TRIP 800 Steels by Means of Tensile Tests at Simultaneous Hydrogen Charging

Popis výsledku v původním jazyce

The paper describes effect of hydrogen on mechanical properties and fracture characteristics of two variants of the TRIP 800 steels; C-Mn-Si variant and C-Mn-Si-Al variant. TRIP steels are very promising materials thanks to their combination of a very good strength and toughness. However, these steels can be embrittled by hydrogen during technological operations related to hot dip galvanizing. That is why the knowledge of effects of hydrogen on the properties and fracture characteristics of the TRIP steels is of particular importance. In the presented study, effects of hydrogen were studied by tensile tests at simultaneous electrolytical hydrogen charging. Special cells were used for this kind of testing. Electrolytical hydrogen charging was performedin diluted solutions of sulfuric acid. In some cases, potassium thiocyanate was added to the solution to promote hydrogen absorption. Hydrogen provoked embrittlement in both steel variants and changed their micromechanism of failure. The

Název v anglickém jazyce

Study of Hydrogen Embrittlement of the TRIP 800 Steels by Means of Tensile Tests at Simultaneous Hydrogen Charging

Popis výsledku anglicky

The paper describes effect of hydrogen on mechanical properties and fracture characteristics of two variants of the TRIP 800 steels; C-Mn-Si variant and C-Mn-Si-Al variant. TRIP steels are very promising materials thanks to their combination of a very good strength and toughness. However, these steels can be embrittled by hydrogen during technological operations related to hot dip galvanizing. That is why the knowledge of effects of hydrogen on the properties and fracture characteristics of the TRIP steels is of particular importance. In the presented study, effects of hydrogen were studied by tensile tests at simultaneous electrolytical hydrogen charging. Special cells were used for this kind of testing. Electrolytical hydrogen charging was performedin diluted solutions of sulfuric acid. In some cases, potassium thiocyanate was added to the solution to promote hydrogen absorption. Hydrogen provoked embrittlement in both steel variants and changed their micromechanism of failure. The

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

2012

Kód důvěrnosti údajů

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

Název statě ve sborníku

METAL 2012 : 21st International Conference on Metallurgy and Materials : conference proceedings

ISBN

978-80-87294-31-4

ISSN

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e-ISSN

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Počet stran výsledku

6

Strana od-do

570-575

Název nakladatele

Tanger

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

23. 5. 2012

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

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