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Studying the stressed state and operating characteristics of high-pressure deaerators’ metal and assessment of their longevity

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Abstract

Damage to high-pressure deaerators’ metal and possible causes thereof are analyzed. The results of calculations and experimental studies of the stressed state of a deaerator vessel in the zones of maximum loading are presented. The results of studying the operating characteristics of carbon steels (Grades St3sp and St3kp) and welded seams made of these steels in different states are given as well. Examples are given of calculations of deaerator vessel longevity under conditions of low-cyclic fatigue at the stage of corrosion-fatigue crack development.

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Authors and Affiliations

  1. All-Russia Thermal Engineering Institute, ul. Avtozavodskaya 14/23, Moscow, 115280, Russia

    E. A. Grin’ & A. V. Zelenskii

Authors
  1. E. A. Grin’
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  2. A. V. Zelenskii
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Original Russian Text © E.A. Grin’, A.V. Zelenskii, 2009, published in Teploenergetika.

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Grin’, E.A., Zelenskii, A.V. Studying the stressed state and operating characteristics of high-pressure deaerators’ metal and assessment of their longevity. Therm. Eng. 56, 103–112 (2009). https://doi.org/10.1134/S0040601509020037

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  • DOI: https://doi.org/10.1134/S0040601509020037

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