The effect of cooling speed on the structure and properties of the heat affected zone in welded compounds of ferrite-austenitic steels

Such parameters as the maximum heating temperature, duration of stay at high temperatures, the rate of cooling influence greatly the structure and properties of the heat-affected zone of welded joints of steels and alloys. In the present work, the effect of different cooling speed upon the impact of...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-03, Vol.177 (1), p.12107, Article 012107
Main Authors: Gonik, I L, Gurulev, D N, Bondareva, O P
Format: Article
Language:English
Subjects:
Austenitic stainless steels
Cooling
Cooling effects
Cooling rate
Ferrites
Fine structure
Heat affected zone
High temperature
Impact strength
Phase composition
Toughness
Welded joints
Welding
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Summary:Such parameters as the maximum heating temperature, duration of stay at high temperatures, the rate of cooling influence greatly the structure and properties of the heat-affected zone of welded joints of steels and alloys. In the present work, the effect of different cooling speed upon the impact of the thermal cycle of welding on the structure, the fine structure and toughness of ferrite-austenitic steels is investigated. It is established that the cooling speed after welding has a great influence on the shock impact toughness, the phase composition and the structure of the zone of ferrite-austenitic steels.
ISSN:1757-8981
1757-899X
1757-899X
DOI:10.1088/1757-899X/177/1/012107