Computational homogenization of polycrystals
This paper reviews the current state of the art in the simulation of the mechanical behavior of
polycrystalline materials by means of computational homogenization. The key ingredients of …
polycrystalline materials by means of computational homogenization. The key ingredients of …
Microstructural and geometrical size effects on the fatigue of metallic materials
It has been widely recognized that the fatigue performance of metallic materials is
significantly affected by both geometrical and microstructural sizes. Based on a literature …
significantly affected by both geometrical and microstructural sizes. Based on a literature …
In-situ investigation of plasticity in a Ti-Al-V-Fe (α+ β) alloy: Slip mechanisms, strain localization, and partitioning
As one of the representative characteristics of plastic deformation, microstructural plastic
strain inhomogeneity has triggered a broad interest in uncovering the corresponding …
strain inhomogeneity has triggered a broad interest in uncovering the corresponding …
[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 crystal plasticity-based approach for creep-fatigue life prediction and damage evaluation in a nickel-based superalloy
A numerical process based on crystal plasticity finite element (CPFE) was implemented to
predict creep-fatigue crack initiation life. CPFE-based model can describe the macroscopic …
predict creep-fatigue crack initiation life. CPFE-based model can describe the macroscopic …
An analysis of (the lack of) slip transfer between near-cube oriented grains in pure Al
TR Bieler, R Alizadeh, M Peña-Ortega… - International Journal of …, 2019 - Elsevier
Slip transfer across grain boundaries was studied in annealed polycrystalline Al foils
deformed in uniaxial tension by means of the analysis of the slip traces on the specimen …
deformed in uniaxial tension by means of the analysis of the slip traces on the specimen …
Cycle-dependent creep-fatigue deformation and life predictions in a nickel-based superalloy at elevated temperature
A series of strain-controlled creep-fatigue tests with various dwell times and strain ratios are
carried out on a nickel-based superalloy at 650° C. Aiming at the mechanical understanding …
carried out on a nickel-based superalloy at 650° C. Aiming at the mechanical understanding …
Examining metrics for fatigue life predictions of additively manufactured IN718 via crystal plasticity modeling including the role of simulation volume and …
V Prithivirajan, MD Sangid - Materials Science and Engineering: A, 2020 - Elsevier
There is a growing demand for the development of precise, accurate, and industrially
applicable predictive models for evaluating the fatigue performance of additively …
applicable predictive models for evaluating the fatigue performance of additively …
Multiple-mechanism and microstructure-based crystal plasticity modeling for cyclic shear deformation of TRIP steel
The transformation-induced plasticity (TRIP) steel has an excellent synergy between
strength and ductility and is widely used in industry. Cyclic loading is often seen in its …
strength and ductility and is widely used in industry. Cyclic loading is often seen in its …
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 …