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Development of microdamage in steam-pipe bends at operating temperatures from 510 to 530°C

Mints, I. I. / Logvinenko, I. G. / Khodykina, L. E.

This is a comparative analysis of microdamage by creep pores in the metal of steam pipes following prolonged high- (540 – 560°C) and low-temperature (512 – 530°C) operation. Microdamage at low temperatures is found to take place at considerably lower levels of equivalent stress than at high temperatures. Reducing the operating temperature after the onset of pore formation is not an effective way of enhancing the reliability and durability of bends.

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Development of microdamage in steam-pipe bends at operating temperatures from 510 to 530°C

Mints, I. I. / Logvinenko, I. G. / Khodykina, L. E.

This is a comparative analysis of microdamage by creep pores in the metal of steam pipes following prolonged high- (540 – 560°C) and low-temperature (512 – 530°C) operation. Microdamage at low temperatures is found to take place at considerably lower levels of equivalent stress than at high temperatures. Reducing the operating temperature after the onset of pore formation is not an effective way of enhancing the reliability and durability of bends.

Development of microdamage in steam-pipe bends at operating temperatures from 510 to 530°C

Mints, I. I. / Logvinenko, I. G. / Khodykina, L. E.

This is a comparative analysis of microdamage by creep pores in the metal of steam pipes following prolonged high- (540 – 560°C) and low-temperature (512 – 530°C) operation. Microdamage at low temperatures is found to take place at considerably lower levels of equivalent stress than at high temperatures. Reducing the operating temperature after the onset of pore formation is not an effective way of enhancing the reliability and durability of bends.

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Title:

Development of microdamage in steam-pipe bends at operating temperatures from 510 to 530°C

Contributors:

Mints, I. I. (author) / Logvinenko, I. G. (author) / Khodykina, L. E. (author)

Published in:

Power Technology and Engineering ; 44 ; 480-483

Publication date:

2011-03-01

Size:

4 pages

ISSN:

1570-1468 , 1570-145X

DOI:

https://doi.org/10.1007/s10749-011-0211-y

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

remaining service lifetime , bends , steam piping , microdamage , safety factor , reliability , operation , failure Engineering , Geoengineering, Foundations, Hydraulics , Energy Technology , Renewable and Green Energy , Power Electronics, Electrical Machines and Networks

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