Consideration of intrastructural stresses in the processes connected with the effect of structural nonuniformity on corrosion damages inflicted to heat-transfer tubes

Consideration of intrastructural stresses in the processes connected with the effect of structural nonuniformity on corrosion damages inflicted to heat-transfer tubes

Detalhes bibliográficos
Parent link:Thermal Engineering
Vol. 61, iss. 8.— 2014.— [P. 600-605]
Autor Corporativo: Национальный исследовательский Томский политехнический университет Энергетический институт Кафедра парогенераторостроения и парогенераторных установок
Outros Autores: Lyubimova L. L. Lyudmila Leonidovna, Макеев А. А. Анатолий Анатольевич, Zavorin A. S. Aleksandr Sergeevich, Tashlykov A. A. Aleksandr Anatolievich, Artamontsev A. I. Aleksandr Ivanovich, Lebedev B. V. Boris Vladimirovich, Fisenko R. N. Roman Nikolaevich
Resumo:Title screen
The article presents information on local structural nonuniformities in the tube wall metal due to which its individual zones have different susceptibility to corrosion damage processes. The presented information is based on experimental data about the structure of material (microhardness, crystallite size distribution function, and inner structural stresses of the first and second kind depending on the structural flaws density and temperature) obtained using the high-temperature X-radiography method. For a sample made of Grade 20 steel, the temperature range (350-370°C) is experimentally substantiated and determined based on the conditions of relaxing inner structural stresses of the first and second kind in which the crack surface is passivated by oxide film, which prevents the occurrence of stress concentration at the crack edge and crack propagation.
Режим доступа: по договору с организацией-держателем ресурса
Publicado em: 2014
Assuntos:
электронный ресурс
труды учёных ТПУ
структурные напряжения
рентгеновская дифракция
X-Ray
Acesso em linha:http://dx.doi.org/10.1134/S0040601514060068
Formato: Recurso Eletrônico Capítulo de Livro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652195

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