Estimation of Creep Constitutive Law for Cr-Mo-V Material in Turbine Rotor Using Indentation Creep Test
نویسندگان
چکیده
منابع مشابه
Indentation vs. Uniaxial Power-law Creep of Sn-based Solder Material: A Numerical Assessment
It is crucial to understand the creep behavior of Pb-free solder alloys in electronic packaging. Typical service environments are between 298 and 373K. The thermal mismatch induced stresses acting on solder joints result in extensive rate-dependent plastic deformation. The solder alloy is potentially the weakest component in the electronic package because normal operating temperatures are alrea...
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The ultimate objective of this research project is to develop creep damage constitutive equations for low Cr-Mo alloy and its weldment under low stress (0.2-0.4 yield stress, ��). This paper summarizes a critical analysis on the cavity nucleation and growth and the deformation mechanisms and creep damage evolution characteristics at low stress with temperature ranging from 450 °C to 650 °C, in ...
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Theoretical analysis and finite element (FE) simulation have been carried out for a constant specific load rate (CSLR) indentation creep test. Analytical results indicate that both the representative stress and the indentation strain rate become constant after a transient period. Moreover, the FE simulation reveals that both the contours of equivalent stress and equivalent plastic strain rate u...
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ژورنال
عنوان ژورنال: Journal of the Society of Materials Science, Japan
سال: 2004
ISSN: 1880-7488,0514-5163
DOI: 10.2472/jsms.53.801