Detail publikace

Precipitation of Sigma and Chi Phases in Cast Standard Duplex Stainless Steel

MYŠKA, M. BOŘIL, P. KRUTIŠ, V. KAŇA, V. ZÁDĚRA, A.

Originální název

Precipitation of Sigma and Chi Phases in Cast Standard Duplex Stainless Steel

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

This work deals with the problem of intermetallic phases in cast standard duplex steel ASTM A890 Gr 4A (generally known as 2205). The investigated steel was subjected to isothermal heat treatment in the range from 595 °C to 900 °C and in the duration from 15 minutes to 245 hours, and was also investigated in terms of anisothermal (natural) cooling after casting into the mould. The precipitation starts at grain boundaries with a consistent ferrite transformation. The work is focused on the precipitation of the sigma phase (σ) and the chi phase (χ). Examination of the microstructure was conducted using light and scanning electron microscopy. Their statistical analysis was carried out using the results of the investigations of precipitation processes in the microstructure, both within the grains and at the grain boundaries. To illustrate this impact, the surface area of precipitates was evaluated. The percentage of these intermetallic phases was calculated by measuring their area using a computer image analysis system. Based on their observations, a combined time-temperature transformation (TTT) diagram with continuous cooling transformation (CCT) curves was created.

Klíčová slova

Precipitation, Cast duplex steel, Intermetallics, Sigma phase, Chi phase

Autoři

MYŠKA, M.; BOŘIL, P.; KRUTIŠ, V.; KAŇA, V.; ZÁDĚRA, A.

Vydáno

28. 4. 2023

Nakladatel

POLSKA AKAD NAUK, POLISH ACAD SCIENCES

Místo

WARSZAWA

ISSN

2299-2944

Periodikum

Archives of Foundry Engineering

Ročník

23

Číslo

2

Stát

Polská republika

Strany od

29

Strany do

34

Strany počet

6

URL

https://journals.pan.pl/dlibra/show-content?id=127009

Plný text v Digitální knihovně

http://hdl.handle.net/11012/213671

BibTex

@article{BUT183972,
  author="Martin {Myška} and Petr {Bořil} and Vladimír {Krutiš} and Václav {Kaňa} and Antonín {Záděra}",
  title="Precipitation of Sigma and Chi Phases in Cast Standard Duplex Stainless Steel",
  journal="Archives of Foundry Engineering",
  year="2023",
  volume="23",
  number="2",
  pages="29--34",
  doi="10.24425/afe.2023.144292",
  issn="2299-2944",
  url="https://journals.pan.pl/dlibra/show-content?id=127009"
}