Dependence of accelerated creep rate on carbide particle distribution in martensite for 0·18C-11·5Cr-0·29V steel

The number of carbide particles stringers at boundaries and subboundaries of martensite per unit of surface decreases with the third root of tempering time at 1073 K. The accelerated creep rate at 853 K depends on the number of stringers of carbide particles per unit of surface, and below an inflect...

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Bibliographic Details
Published inMaterials science and technology Vol. 27; no. 5; pp. 937 - 942
Main Authors Vodopivec, F, Vojvodič-Tuma, J, Šuštaršič, B, Celin, R, Jenko, M
Format Journal Article
LanguageEnglish
Published London, England Taylor & Francis 01.05.2011
SAGE Publications
Subjects
Accelerated creep rate
Carbide particles distribution
Creep rate equations
Creep resistant steel
Tempered martensite
Accelerated creep rate
Creep rate equations
Tempered martensite
Carbide particles distribution
Creep resistant steel
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Summary:The number of carbide particles stringers at boundaries and subboundaries of martensite per unit of surface decreases with the third root of tempering time at 1073 K. The accelerated creep rate at 853 K depends on the number of stringers of carbide particles per unit of surface, and below an inflection point, the creep rate increases strongly. Equations relating for creep rate are discussed in terms of experimental creep rate, number of carbide particles stringers and average particles spacing.
ISSN:0267-0836
1743-2847
DOI:10.1179/026708310X12688283410325