Study on the Microstructure and Fatigue Behavior of a Laser-Welded Ni-Based Alloy Manufactured by Selective Laser Melting Method
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DOI: 10.1007/s11665-020-04844-4
Abstract: Low-cycle fatigue and creep-fatigue tests were conducted at 815 °C on laser-welded, selective laser melted (SLM) Inconel 625 test specimens. The results showed that the microstructure of the welding zone was mainly composed of columnar dendrites,… read more here.
Keywords: selective laser; laser; fatigue; laser welded ... See more keywords
Study of creep-fatigue behavior in a 1000 MW rotor using a phenomenological lifetime model
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DOI: 10.1007/s12206-017-0113-5
Abstract: In this study, the phenomenological lifetime model was applied to part of an ultra-supercritical steam turbine rotor model to predict its lifetime as a post processing of the finite element method. To validate the accuracy… read more here.
Keywords: lifetime model; study; creep fatigue; model ... See more keywords
Deformation and rupture behaviors of SiC/SiC under creep, fatigue and dwell-fatigue load at 1300 °C
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DOI: 10.1016/j.ceramint.2019.07.134
Abstract: Abstract High temperature creep and fatigue properties are important characteristics of SiC/SiC composites. In this work, dwell-fatigue tests were conducted at 1300 °C for 3D-braided SiC/SiC with and without coatings, and experimental results of dwell-fatigue tests… read more here.
Keywords: fatigue; dwell fatigue; creep fatigue; sic sic ... See more keywords
Modeling creep-fatigue interaction damage and H13 tool steel material response for rolling die under hot milling
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DOI: 10.1016/j.engfracmech.2019.106770
Abstract: Abstract In hot milling process, rolling die is subjected to nonsteady conditions which can raise the combinations of fatigue and creep damage mechanism. Creep-fatigue interaction at elevated temperatures is complex research topic; as a result,… read more here.
Keywords: creep fatigue; fatigue interaction; rolling die; h13 tool ... See more keywords
Creep-fatigue damage simulation at multiple length scales for an aeroengine titanium alloy
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DOI: 10.1016/j.ijfatigue.2018.07.002
Abstract: Abstract Aeroengine titanium alloys such as Ti-6Al-4V experience creep-fatigue loading conditions during the critical fighter aircraft operations. To ensure and enhance the reliable application of such alloys, mechanical behaviour across multiple length scales need renewed… read more here.
Keywords: length scales; fatigue; creep fatigue; damage ... See more keywords
Assessment of creep-fatigue behavior, deformation mechanisms, and microstructural evolution of alloy 709 under accelerated conditions
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Fatigue"
DOI: 10.1016/j.ijfatigue.2019.02.037
Abstract: Abstract Alloy 709 is a leading candidate structural material for sodium-cooled fast spectrum reactors (FSR), where creep-fatigue is a potential failure mode. Low cycle fatigue (LCF) and creep-fatigue tests with 30 min tensile hold times have… read more here.
Keywords: fatigue; alloy 709; creep fatigue; assessment creep ... See more keywords
Impact of frequency, hold time and atmosphere on creep-fatigue of a 9–12% Cr steel from 300 °C−600 °C
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DOI: 10.1016/j.ijfatigue.2019.03.005
Abstract: Abstract In this study the impact of frequency or rather hold time and atmosphere on the transition from fatigue dominated crack growth to creep fatigue of the ferritic/martensitic steel X20CrMoV12-1 was investigated from 300 °C−600 °C. This… read more here.
Keywords: fatigue; impact frequency; creep fatigue; power ... See more keywords
Experimental study on creep-fatigue behaviors of chinese P92 steel with consideration of several important factors
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DOI: 10.1016/j.ijfatigue.2020.105900
Abstract: Abstract In this paper, the creep fatigue test at 550–650 °C of P92 steel is carried out, which not only reveals the damage evolution mechanism, but also analyzed the creep fatigue behaviors. The influence of temperature,… read more here.
Keywords: creep fatigue; fatigue behaviors; fatigue; p92 steel ... See more keywords
Semi-quantitative creep-fatigue damage analysis based on diffraction-based misorientation mapping and the correlation to macroscopic damage evolutions
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DOI: 10.1016/j.ijfatigue.2021.106227
Abstract: Abstract A large number of strain-controlled creep-fatigue tests under wide loading waveforms are conducted at 650 ℃ in nickel-based forged GH4169 superalloy. Comprehensive characterizations, including scanning electron microscope (SEM), electron backscatter diffraction (EBSD) and transmission… read more here.
Keywords: fatigue; damage; creep fatigue; misorientation ... See more keywords
Cyclic deformation and damage mechanisms of 9%Cr steel under hybrid stress-strain controlled creep fatigue interaction loadings
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DOI: 10.1016/j.ijfatigue.2021.106357
Abstract: Abstract The hybrid stress–strain controlled creep-fatigue interaction (HCFI) loadings at various dwell conditions were conducted on 9%Cr steel at 625 °C to investigate the deformation and damage mechanisms. Results reveal that the HCFI tests with conservative… read more here.
Keywords: fatigue; damage; creep fatigue; fatigue interaction ... See more keywords
The role of anelastic recovery in the creep-fatigue interaction of 9–12% Cr steel at high temperature
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2017.01.018
Abstract: Abstract Fatigue tests of 9–12% Cr ferrite steel with various hold times at both peak and valley points were conducted under stress control at 898 K. The role of anelastic recovery in the creep-fatigue interaction was… read more here.
Keywords: creep fatigue; anelastic recovery; interaction; recovery ... See more keywords