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Влияние горячей пластической деформации на свойства низкоуглеродистой стали с феррито-бейнитной структурой

Влияние горячей пластической деформации на свойства низкоуглеродистой стали с феррито-бейнитной структурой

Abstract

Изучено влияние пластической деформации, осуществляемой в аустенитном состоянии, на свойства низкоуглеродистой трубной стали 04Г2Б с феррито-бейнитной структурой. Вне зависимости от условий последеформационного охлаждения и содержания в структуре бейнитной составляющей реализуется следующая закономерность. Снижение температуры деформации увеличивает прочностные свойства и вязкость при отрицательных температурах, одновременно приводя к уменьшению объемной доли бейнитной ?-фазы и мартенситно-аустенитной составляющей.

Influence of plastic deformation carried out in austenitic state on properties of low-carbon HSLA steel with ferrite-bainite structure is studied. Independently on cooling conditions after plastic deformation and bainite amount, decreasing deformation temperature increases strength and impact toughness at negative temperatures, and decreases the volume fraction of bainitic ?-phase and MA-constituent.

Keywords

НИЗКОУГЛЕРОДИСТАЯ ТРУБНАЯ СТАЛЬ, ТЕМПЕРАТУРА ДЕФОРМАЦИИ, МЕХАНИЧЕСКИЕ СВОЙСТВА, ПОРОГ ХЛАДНОЛОМКОСТИ, БЕЙНИТ, МА-СОСТАВЛЯЮЩАЯ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold