The development of multi-axial creep damage constitutive equations for 0.5Cr0.5Mo0.25V ferritic Steel at 590 degrees C

Qiang Xu, Simon Barrans

Research output: Contribution to journalArticlepeer-review

Abstract

Within the framework of a phenomenological approach a set of multi-axial creep damage constitutive equations for 0.5Cr0.5Mo0.25V ferritic steel at 590degreesC is developed in which a new formulation is employed. The deficiency of the previous formulation and the need for improvement became apparent after a critical review of the development of creep damage constitutive equations for 316 stainless steel((1)). The need for improvement was further underpinned by a call for modification of the constitutive equations((36)). Recently, a specific formulation was proposed and validated((2)-(4)). This paper reports the latest developments of the multi-axial creep constitutive equations for 0.5Cr0.5Mo0.25V ferritic steel at 590degreesC including: 1) the fundamental requirement; 2) formulation; 3) validation; and 4) conclusion. It systematically shows the suitability of this new set of constitutive equations and the incapability of the previous ones. Furthermore, it contributes knowledge to the methodology.
Original languageEnglish
Pages (from-to)51-59
JournalJSME International Journal, Series 3: Vibration, Control Engineering, Engineering for Industry
Volume46
Issue number1
DOIs
Publication statusPublished - 2003
Externally publishedYes

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