Fatigue crack growth mechanisms in powder metallurgy Ni-based superalloys—A review
R Jiang, YD Song, PA Reed - International Journal of Fatigue, 2020 - Elsevier
Powder metallurgy (PM) Ni-based superalloys are widely used for aeroengine turbine disc
applications due to their excellent mechanical properties and good corrosion resistance at …
applications due to their excellent mechanical properties and good corrosion resistance at …
Defect sensitivity and fatigue design: Deterministic and probabilistic aspects in AM metallic materials
Fatigue performance in both traditional and additively manufactured materials is severely
affected by the presence of defects, which deserve special attention to ensure the in-service …
affected by the presence of defects, which deserve special attention to ensure the in-service …
Hot cracking mechanism affecting a non-weldable Ni-based superalloy produced by selective electron Beam Melting
A non weldable nickel-based superalloy was fabricated by powder bed-based selective
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
electron beam melting (S-EBM). The as-built samples exhibit a heterogeneous …
Microstructure-and damage-nucleation-based crystal plasticity finite element modeling for the nucleation of multi-type voids during plastic deformation of Al alloys
During deformation of aluminum (Al) alloys, there are three kinds of voids being formed by
distinct mechanisms, ie, matrix-cracking voids (MCVs), particle-cracking voids (PCVs), and …
distinct mechanisms, ie, matrix-cracking voids (MCVs), particle-cracking voids (PCVs), and …
[HTML][HTML] Is stored energy density the primary meso-scale mechanistic driver for fatigue crack nucleation?
Fatigue crack nucleation in a powder metallurgy produced nickel alloy containing a non-
metallic inclusion has been investigated through integrated small-scale bend testing …
metallic inclusion has been investigated through integrated small-scale bend testing …
A new data-driven probabilistic fatigue life prediction framework informed by experiments and multiscale simulation
Traditional probabilistic fatigue life test requires long time, a large number of samples and
high cost due to dispersion, randomness and complexity. A new data-driven probabilistic …
high cost due to dispersion, randomness and complexity. A new data-driven probabilistic …
Fatigue deformation in a polycrystalline nickel base superalloy at intermediate and high temperature: Competing failure modes
The microstructural configurations that favor early strain localization and fatigue crack
initiation at intermediate and high temperature (400° C–650° C) have been investigated …
initiation at intermediate and high temperature (400° C–650° C) have been investigated …
Investigation of fatigue crack initiation from a non-metallic inclusion via high energy x-ray diffraction microscopy
Crack initiation at inclusions is a dominant, unavoidable and life-limiting failure mechanism
of important structural materials. Fatigue progresses in a complex manner to find the …
of important structural materials. Fatigue progresses in a complex manner to find the …
[HTML][HTML] The effect of solid solution and gamma prime on the deformation modes in Ni-based superalloys
Understanding the deformation, strengthening and failure mechanisms in polycrystalline
nickel-base superalloys is necessary to develop next generation alloys for application in …
nickel-base superalloys is necessary to develop next generation alloys for application in …
[HTML][HTML] Crystal plasticity modelling and HR-DIC measurement of slip activation and strain localization in single and oligo-crystal Ni alloys under fatigue
Single crystal (CMSX4) and oligocrystal (MAR002) nickel have been studied using three-
point beam bending under conditions of cyclic loading. SEM images have enabled …
point beam bending under conditions of cyclic loading. SEM images have enabled …