Simulation of Short Fatigue Crack Propagation in a 3D Experimental Microstructure
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DOI: 10.1002/adem.201600721
Abstract: A three dimensional simulation of short fatigue crack propagation in a polycrystalline microstructure using a crystal plasticity finite element model is carried out. The experimental microstructure which contains several hundreds grains, was obtained via diffraction… read more here.
Keywords: short fatigue; fatigue crack; crack; simulation short ... See more keywords
Fatigue Behavior of Additively Manufactured IN718 with Columnar Grains
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DOI: 10.1002/adem.202001031
Abstract: Fatigue failure of polycrystalline materials is often dominated by crack initiation processes, which are strongly influenced by salient features existing in the microstructure. Herein, a crystal plasticity framework based on the finite element method is… read more here.
Keywords: fatigue behavior; crack nucleation; columnar; fatigue crack ... See more keywords
Phase field simulation of fatigue crack propagation under complex load situations
Sign Up to like & getrecommendations! Published in 2020 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-020-01821-0
Abstract: Within this work, we utilize the framework of phase field modeling for fracture in order to handle a very crucial issue in terms of designing technical structures, namely the phenomenon of fatigue crack growth. So… read more here.
Keywords: fatigue crack; field; phase field; load ... See more keywords
In-situ microscopy testing of plasticity variation ahead of fatigue crack tip in AL2024-T3
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Fracture"
DOI: 10.1007/s10704-018-00340-y
Abstract: In this paper, an in-situ experiment is performed under the optical microscopy to investigate the continuous variation of the strain field in the vicinity of the fatigue crack tip in Al2024-T3. The specimen is a… read more here.
Keywords: fatigue crack; variation; microscopy; crack tip ... See more keywords
High-temperature fatigue crack growth under transient overloading: application to Alloy 617
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DOI: 10.1007/s10704-021-00588-x
Abstract: A key problem in fatigue crack growth is the influence of load transients, such as overloads, on crack growth rates. This has been investigated in detail for materials operating near room temperature but is less… read more here.
Keywords: fatigue crack; high temperature; crack growth; crack ... See more keywords
Influence of the Notch Radius on Fatigue Crack Propagation in Beam Specimens of 2017A-T4 Alloy
Sign Up to like & getrecommendations! Published in 2017 at "Materials Science"
DOI: 10.1007/s11003-017-0090-y
Abstract: We present experimental results on the fatigue crack growth in specimens with rectangular cross sections made of 2017A-T4 aluminum alloy under bending. The specimens were weakened by sharp and blunt one-sided notches (for the notch… read more here.
Keywords: fatigue crack; influence notch; alloy;
Fatigue Crack Growth Behavior of a New Type of 10% Cr Martensitic Steel Welded Joints with Ni-Based Weld Metal
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-017-2756-x
Abstract: AbstractIn the present work, the fatigue crack growth (FCG) behavior of a new type of 10% Cr martensitic steel welded joints with Ni-based weld metal was comparatively studied for different regions including base metal (BM),… read more here.
Keywords: fatigue crack; welded joints; crack growth; crack ... See more keywords
Hydrogen Effect on the Fatigue Crack Growth in Austenitic Stainless Steel Investigated by a New Method Based on Nanohardness Distribution
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-018-3764-1
Abstract: A new method of nanohardness distribution for investigating the hydrogen effect on the fatigue crack in austenitic stainless steels was developed. The nanohardness distribution around the fatigue crack tip is dependent on the plastic zone… read more here.
Keywords: fatigue crack; hydrogen; effect fatigue; nanohardness distribution ... See more keywords
Fatigue Crack Growth Properties of AA 5754 Aluminum Alloy Gas Tungsten Arc Welding and Friction Stir Welding Joints
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DOI: 10.1007/s11665-020-04739-4
Abstract: Friction stir welding (FSW) and gas tungsten arc welding (GTAW) were employed to manufacture the spiral pipes by a double-sided synchronization approach. The fatigue crack growth properties for base metal (BM) and welded metal (WM)… read more here.
Keywords: fatigue crack; friction stir; crack; stir welding ... See more keywords
Plastic Zones at a Fatigue Crack Tip
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Failure Analysis and Prevention"
DOI: 10.1007/s11668-019-00646-6
Abstract: Nanoindentation measurements are carried out in the fatigue plastic zone in the 2024 T351 alloy. It is shown that variations in hardness, plastic work and plasticity index show typical evolution permitting the identification of cyclic… read more here.
Keywords: plastic; fatigue crack; crack tip; zones fatigue ... See more keywords
Effect of annealing treatment on microstructure and fatigue crack growth behavior of Al–Zn–Mg–Sc–Zr alloy
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Central South University"
DOI: 10.1007/s11771-018-3797-5
Abstract: Al–Zn–Mg–Sc–Zr alloy samples were annealed to four different states (under-aging, peak-aging, over-aging and double-aging) and then thoroughly investigated by means of electron backscatter diffraction (EBSD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), tensile and… read more here.
Keywords: fatigue crack; microscopy; crack growth; crack ... See more keywords