A microstructure-based fatigue model for additively manufactured Ti-6Al-4V, including the role of prior β boundaries
Microstructure-based models of additive manufactured (AM) Ti-6Al-4V should faithfully
represent the unique microstructural features of these materials to provide a more thorough …
represent the unique microstructural features of these materials to provide a more thorough …
Crystal plasticity finite element modeling of grain size and morphology effects on yield strength and extreme value fatigue response
A computational framework is presented to include the effects of grain size and morphology
in the crystal plasticity finite element (CPFE) method for simulations of polycrystals. The …
in the crystal plasticity finite element (CPFE) method for simulations of polycrystals. The …
Modeling fatigue behavior of additively manufactured alloys with an emphasis on pore defect morphology
Additively manufactured (AM) materials are prone to porosity, which limits their widespread
adoption in fatigue-limited applications. Experimental campaigns are vital in understanding …
adoption in fatigue-limited applications. Experimental campaigns are vital in understanding …
Simulated effects of sample size and grain neighborhood on the modeling of extreme value fatigue response
Assessing the size of representative volume elements (RVEs) for fatigue-related
applications is challenging. A RVE relevant to random microstructure requires a volume of …
applications is challenging. A RVE relevant to random microstructure requires a volume of …
Modeling the statistical distribution of fatigue crack formation lifetime in large volumes of polycrystalline microstructures
Microstructure-scale interactions involving crystallographic texture (orientation and
disorientation distributions), distributions of grain shape and size, nearest neighbor …
disorientation distributions), distributions of grain shape and size, nearest neighbor …
Training material models using gradient descent algorithms
High temperature design requires accurate constitutive models to describe material inelastic
deformation and failure behavior. Oftentimes, calibrating accurate models devolves into the …
deformation and failure behavior. Oftentimes, calibrating accurate models devolves into the …
Effects of temperature and microstructure on low cycle fatigue behaviour of a PM Ni-based superalloy: EBSD assessment and crystal plasticity simulation
WT Zhang, R Jiang, Y Zhao, LC Zhang, L Zhang… - International Journal of …, 2022 - Elsevier
The macro and mesoscale deformation and damage of the PM nickel-based superalloy
FGH4098 under low cycle fatigue loading at elevated temperatures were investigated using …
FGH4098 under low cycle fatigue loading at elevated temperatures were investigated using …
Microstructure-Sensitive modeling of surface roughness and notch effects on extreme value fatigue response
Fatigue life knockdown due to surface roughness induces local stress concentrations.
Physical fatigue experiments are crucial to qualify materials for use but are limited in their …
Physical fatigue experiments are crucial to qualify materials for use but are limited in their …
A crystal plasticity and cohesive element model for rolling contact fatigue of bearing steels
Rolling element bearing failures are typically initiated by a two-stage process where a
subsurface microcrack formed in the material microstructure subsequently grows to a spall …
subsurface microcrack formed in the material microstructure subsequently grows to a spall …
A framework to enable microstructure-sensitive location-specific fatigue life analysis of components and connectivity to the product lifecycle
Traditionally, aerospace components are treated as monolithic structures during lifing
analyses, wherein distinct microstructural information at individual locations is not …
analyses, wherein distinct microstructural information at individual locations is not …