Development of a Relationship for Determining Equivalent Operating Temperature for Superheaters Made of Steel Grade DI59<Superscript>1</Superscript>: Fid-Bau Portal

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Development of a Relationship for Determining Equivalent Operating Temperature for Superheaters Made of Steel Grade DI591

Bogachev, V. A. / Urusova, G. A. / Shumovskaya, M. A.

Generation, increase in concentration, and chemical composition of σ-phase in austenitic chromium-manganese steel grade DI59 with high-temperature ageing for creep and stress-rupture testing are determined by experiment. It is shown that the concentration of σ-phase within the metal structure is greater, the greater test temperature, stress, and time. Test data are approximated by parabolic equations of order 1/2. Relationships are developed for determining superheater equivalent operating temperature.

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Development of a Relationship for Determining Equivalent Operating Temperature for Superheaters Made of Steel Grade DI591

Bogachev, V. A. / Urusova, G. A. / Shumovskaya, M. A.

Generation, increase in concentration, and chemical composition of σ-phase in austenitic chromium-manganese steel grade DI59 with high-temperature ageing for creep and stress-rupture testing are determined by experiment. It is shown that the concentration of σ-phase within the metal structure is greater, the greater test temperature, stress, and time. Test data are approximated by parabolic equations of order 1/2. Relationships are developed for determining superheater equivalent operating temperature.

Development of a Relationship for Determining Equivalent Operating Temperature for Superheaters Made of Steel Grade DI591

Bogachev, V. A. / Urusova, G. A. / Shumovskaya, M. A.

Generation, increase in concentration, and chemical composition of σ-phase in austenitic chromium-manganese steel grade DI59 with high-temperature ageing for creep and stress-rupture testing are determined by experiment. It is shown that the concentration of σ-phase within the metal structure is greater, the greater test temperature, stress, and time. Test data are approximated by parabolic equations of order 1/2. Relationships are developed for determining superheater equivalent operating temperature.

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Title:

Development of a Relationship for Determining Equivalent Operating Temperature for Superheaters Made of Steel Grade DI591

Contributors:

Bogachev, V. A. (author) / Urusova, G. A. (author) / Shumovskaya, M. A. (author)

Published in:

Power Technology and Engineering ; 49 ; 190-195

Publication date:

2015-09-01

Size:

6 pages

ISSN:

1570-1468 , 1570-145X

DOI:

https://doi.org/10.1007/s10749-015-0597-z

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Boiler , superheater , austenitic chromium-manganese steel , stress-rupture strength , σ-phase , concentration , chemical composition , equivalent operating temperature Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics

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