The physics of fatigue crack initiation
MD Sangid - International journal of fatigue, 2013 - Elsevier
The fatigue life of a component can be expressed as the sum of two segments of life:(a) the
number of loading cycles required to initiate a crack and (b) the number of cycles it takes that …
number of loading cycles required to initiate a crack and (b) the number of cycles it takes that …
Polycrystal plasticity: comparison between grain-scale observations of deformation and simulations
The response of polycrystals to plastic deformation is studied at the level of variations within
individual grains, and comparisons are made to theoretical calculations using crystal …
individual grains, and comparisons are made to theoretical calculations using crystal …
Measurement modulus of elasticity related to the atomic density of planes in unit cell of crystal lattices
Young's modulus (E) is one of the most important parameters in the mechanical properties of
solid materials. Young's modulus is proportional to the stress and strain values. There are …
solid materials. Young's modulus is proportional to the stress and strain values. There are …
An in situ high-energy X-ray diffraction study of micromechanical behavior of multiple phases in advanced high-strength steels
The micromechanical behavior of high-strength steels with multiple phases was
characterized using the in situ high-energy X-ray diffraction technique. For the materials …
characterized using the in situ high-energy X-ray diffraction technique. For the materials …
Characterization of the microstructure in random and textured polycrystals and single crystals by diffraction line profile analysis
X-ray or neutron diffraction patterns are simulated by convoluting defect specific profile
functions based on continuum theory of elasticity. The defect related profile functions are …
functions based on continuum theory of elasticity. The defect related profile functions are …
Understanding Micromechanical Material Behavior Using Synchrotron X-rays and In Situ Loading
With the flux of high-energy, deeply penetrating X-rays that a 3rd-generation synchrotron
source can provide and the current generation of large fast area detectors, the development …
source can provide and the current generation of large fast area detectors, the development …
Study of internal lattice strain distributions in stainless steel using a full-field elasto-viscoplastic formulation based on fast Fourier transforms
In this work, the evolution of internal lattice strains in face-centered cubic stainless steel
under uniaxial tension is studied using a recently developed full-field elasto-viscoplastic …
under uniaxial tension is studied using a recently developed full-field elasto-viscoplastic …
Three-dimensional plastic response in polycrystalline copper via near-field high-energy X-ray diffraction microscopy
The evolution of the crystallographic orientation field in a polycrystalline sample of copper is
mapped in three dimensions as tensile strain is applied. Using forward-modeling analysis of …
mapped in three dimensions as tensile strain is applied. Using forward-modeling analysis of …
Micromechanical behavior of TRIP-assisted multiphase steels studied with in situ high-energy X-ray diffraction
B Fu, WY Yang, YD Wang, LF Li, ZQ Sun, Y Ren - Acta materialia, 2014 - Elsevier
The stress partitions among multiple phases for two cold-rolled transformation-induced-
plasticity (TRIP)-assisted C–Mn–Al–Si steels, with different carbon content levels of 0.1 …
plasticity (TRIP)-assisted C–Mn–Al–Si steels, with different carbon content levels of 0.1 …
Evolution of texture and intergranular stresses of αZr and minority phases in Zr-2.5 Nb pressure tube through synchrotron X-ray diffraction
This study investigates the impact of different processing steps on the crystallographic
texture evolution of αZr and minority phases βZr and ωZr, and intergranular stresses as a …
texture evolution of αZr and minority phases βZr and ωZr, and intergranular stresses as a …