Detail publikace

High temperature service embrittlement of Eurofer97 steel

Originální název

High temperature service embrittlement of Eurofer97 steel

Anglický název

High temperature service embrittlement of Eurofer97 steel

Jazyk

en

Originální abstrakt

The aim of the work was to describe effect of long-term ageing on the microstructure and fracture properties of the Eurofer97 steel. The embrittlement of the high chromium ferritic-martensitic implies important limitation for use of these steels [1] caused carbide coarsening and/or intercrystalline embrittlement [2]. Detailed microstructure studies were carried out on the steel in as-received state and in state after long-term thermal ageing for 550 stupňů Celsia ,5.000 h. Mechanical properties were evaluated by means of Charpy impact testing. Only a slight growth of the particles and partial recrystallization of the subgrains after thermal ageing has been observed. The isothermal ageing caused shift in tDBTT about +5 stupňů Celsia Degradation of the impact properties was probably caused by synergic effect of carbide coarsening and mind recrystallization of the subgrains.

Anglický abstrakt

The aim of the work was to describe effect of long-term ageing on the microstructure and fracture properties of the Eurofer97 steel. The embrittlement of the high chromium ferritic-martensitic implies important limitation for use of these steels [1] caused carbide coarsening and/or intercrystalline embrittlement [2]. Detailed microstructure studies were carried out on the steel in as-received state and in state after long-term thermal ageing for 550 stupňů Celsia ,5.000 h. Mechanical properties were evaluated by means of Charpy impact testing. Only a slight growth of the particles and partial recrystallization of the subgrains after thermal ageing has been observed. The isothermal ageing caused shift in tDBTT about +5 stupňů Celsia Degradation of the impact properties was probably caused by synergic effect of carbide coarsening and mind recrystallization of the subgrains.

BibTex


@article{BUT50274,
  author="Luděk {Stratil} and Hynek {Hadraba} and Ivo {Dlouhý}",
  title="High temperature service embrittlement of Eurofer97 steel",
  annote="The aim of the work was to describe effect of long-term ageing on the microstructure and fracture properties of the Eurofer97 steel. The embrittlement of the high chromium ferritic-martensitic implies important limitation for use of these steels [1] caused carbide coarsening and/or intercrystalline embrittlement [2]. Detailed microstructure studies were carried out on the steel in as-received state and in state after long-term thermal ageing for 550 stupňů Celsia ,5.000 h. Mechanical properties were evaluated by means of Charpy impact testing. Only a slight growth of the particles and partial recrystallization of the subgrains after thermal ageing has been observed. The isothermal ageing caused shift in tDBTT about +5 stupňů Celsia Degradation of the impact properties was probably caused by synergic effect of carbide coarsening and mind recrystallization of the subgrains.",
  address="Hutnícka fakullta Technickej univerzity v Košiciach a SAV Košice",
  chapter="50274",
  institution="Hutnícka fakullta Technickej univerzity v Košiciach a SAV Košice",
  journal="Acta Metallurgica Slovaca",
  number="2",
  volume="2010(1)",
  year="2010",
  month="february",
  pages="142--145",
  publisher="Hutnícka fakullta Technickej univerzity v Košiciach a SAV Košice",
  type="journal article - other"
}