Effect of Long-Term Thermal Influence on Mechanical Properties of Welded Joints for Carbon Steels used in Power Engineering

Bazaras, Žilvinas; Timofeev, B. T.

doi:10.5772/15521

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Low Alloyed Steel Type 10mnni2mova1

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2011

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“…However, at lower temperatures (250-300°C) for carbon steels and, first of all, for the metal of welded joints, there is a danger of aging deformation. Earlier, in [28][29][30], it was shown that the steel grades 22K and 20 are sensi tive to the aging during one and also cyclic load appli cations.…”

Section: Low Alloyed Steel Type 10mnni2movamentioning

confidence: 99%

Degradation of structural steel properties under the prolonged influence of operating temperatures

Gorynin

Timofeev

2011

Inorg. Mater. Appl. Res.

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The generalized data of the effects of operating temperatures of 250-350°C on mechanical prop erties of the materials used for manufacturing of the main equipment and pipelines of Russian NPPs with LWR (VVER and RBMK) reactors for a prolonged operating time (100000 h) are presented. Degradation of mechanical properties of structural steels from this factor during their designed service life is evaluated, and also the possible use of these materials in prolonging their service life is predicted.

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Section: Low Alloyed Steel Type 10mnni2movamentioning

confidence: 99%