scholarly journals Creep behavior of hastelloy X, 2 1/4 Cr-1 Mo steel, and other alloys in simulated HTGR helium

1979 ◽  
Author(s):  
H. E. McCoy, Jr.
Keyword(s):  
Creep Behavior ◽  
Hastelloy X

Creep Behavior Evaluation of Hastelloy X Welded Joint

1981 ◽  
Vol 55 (2) ◽  
pp. 479-486 ◽  
Author(s):  
Kunihiko Satoh ◽  
Masao Toyoda ◽  
Shigetomo Matsui ◽  
Eisuke Mori ◽  
Shigeki Shimizu ◽  
...  
Keyword(s):  
Creep Behavior ◽  
Welded Joint ◽  
Hastelloy X

Modeling the Creep of Hastelloy X Using the Miller and Walker Unified Viscoplastic Constitutive Models

2015 ◽  
Author(s):  
Luis A. Varela J. ◽  
Calvin M. Stewart ◽  
Ali P. Gordon
Keyword(s):  
Experimental Data ◽  
Creep Behavior ◽  
Simulated Annealing Algorithm ◽  
Extreme Environments ◽  
Constitutive Models ◽  
Suitable Model ◽  
Inelastic Behavior ◽  
Hastelloy X ◽  
Material Constants ◽  
Viscoplastic Models

Hastelloy X is widely used in the pressure vessel and piping (PVP) industries, specifically in nuclear and chemical reactors, pipes and valves applications. Hastelloy X is favored for its resistance to extreme environments, although it exhibits a rate-dependent mechanical behavior. Numerous unified viscoplastic models proposed in literature claim to have the ability to describe the inelastic behavior of superalloys subjected to a variety of boundary conditions; typically limited experimental data is used to validate their performance. In this paper, two unified viscoplastic models (Miller and Walker) were experimentally validated for Hastelloy X creep behavior. Both constitutive models are coded into ANSYS Mechanical as user programmable features (UPF). Creep behavior is simulated at a broad range of stress levels. The results are compared to an exhaustive database of experimental data to fully validate the capabilities and performance of these models. Material constants are calculated using the recently developed Material Constant Heuristic Optimizer (MACHO) software. This software uses the simulated annealing algorithm to determine the optimal material constants by using an extensive database of experimental data. A qualitative and quantitative discussion is presented to determine the most suitable model for Hastelloy X PVP components.

Holding time influence on creep behavior of transient liquid phase bonded joints of Hastelloy X

2020 ◽  
Vol 772 ◽  
pp. 138694 ◽  
Author(s):  
A. Malekan ◽  
M. Farvizi ◽  
S.E. Mirsalehi ◽  
N. Saito ◽  
K. Nakashima
Keyword(s):  
Liquid Phase ◽  
Creep Behavior ◽  
Transient Liquid Phase ◽  
Holding Time ◽  
Bonded Joints ◽  
Hastelloy X

COMPRESSIVE CREEP BEHAVIOR OF REACTORCONTROL ROD MATERIAL Ag-In-Cd ALLOY

2013 ◽  
Vol 49 (8) ◽  
pp. 1012 ◽  
Author(s):  
Hongxing XIAO ◽  
Chongsheng LONG ◽  
Le CHEN ◽  
Bo LIANG
Keyword(s):  
Creep Behavior ◽  
Compressive Creep

Multi-scale indentation creep behavior in Fe-based amorphous/nanocrystalline coating at room temperature

2021 ◽  
Vol 283 ◽  
pp. 128768
Author(s):  
Anil Kumar ◽  
Sapan Kumar Nayak ◽  
Atanu Banerjee ◽  
Tapas Laha
Keyword(s):  
Creep Behavior ◽  
Room Temperature ◽  
Indentation Creep ◽  
Nanocrystalline Coating ◽  
Multi Scale
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