Pit to crack transition and corrosion fatigue lifetime reduction estimations by means of a short crack microstructural model

JA Balbín, V Chaves, NO Larrosa - Corrosion Science, 2021 - Elsevier
A microstructural model is presented to assess pit-to-crack transition and corrosion fatigue
strength in pitted components in different environments. The model is first validated using …

Biaxial fatigue limits and crack directions for stainless steel specimens with circular holes

V Chaves, G Beretta, A Navarro - Engineering fracture mechanics, 2017 - Elsevier
High cycle fatigue tests have been conducted for stainless steel AISI 304L. The geometry is
a thin-walled tube with a passing-through hole. The tests are axial, torsional and in-phase …

[HTML][HTML] Analysis of biaxial fatigue limit models for cases with circular notches

V Chaves, A Navarro, L Susmel, D Taylor - International Journal of Fatigue, 2022 - Elsevier
This work shows an analysis of several models of multiaxial fatigue for notches: Navarro-
Rios' model, which analyses the interaction between the crack and its associated plastic …

Fatigue limit predictions at stress concentrations using FEA and microstructural fracture mechanics

V Chaves, C Madrigal, A Navarro - Theoretical and Applied Fracture …, 2017 - Elsevier
Fatigue failures generally initiate at notches or discontinuities. Many methods have been
proposed to predict fatigue limits at notches. Navarro and De los Rios developed a method …

Calculating fatigue limits of notched components of arbitrary size and shape with cracks growing in mode I

NO Larrosa, A Navarro, V Chaves - International Journal of Fatigue, 2015 - Elsevier
This paper describes the implementation of an alternating technique that uses a short crack
growth model in combination with the Finite Element Method (FEM) to calculate fatigue …

Growth of very long “short cracks” initiated at holes

P Lorenzino, A Navarro - International Journal of Fatigue, 2015 - Elsevier
The initiation and growth behavior of very long microstructurally short fatigue cracks formed
at circular holes is described. Very long here means cracks which are several millimeters or …

A simplified Navarro-Rios model to predict fatigue limits in notched components.

V Chaves - International Journal of Fatigue, 2021 - Elsevier
Many methods have been proposed to predict fatigue failure in the presence of notches,
among which is the Navarro-Rios model. This model is based on short-crack fracture …

Rapid parametric analysis of SEN (T) specimens using algorithmic modelling: evaluation of strain energy density and notch stress intensity factors

NO Larrosa, M Treifi, RA Ainsworth - Materials & Design, 2015 - Elsevier
The aim of this paper is to present a methodology to rapidly evaluate the strain energy
density (SED) and the notch stress intensity factor (NSIF) of a wide range of sharp V-notched …

Naked eye observations of microstructurally short fatigue cracks

P Lorenzino, A Navarro, U Krupp - International journal of fatigue, 2013 - Elsevier
An experimental methodology is described whereby interactions between cracks and
microstructural barriers, and the consequent non-uniform propagation rates are observed …

Microstructural model for predicting high cycle fatigue strength in the presence of holes under proportional biaxial loading

V Chaves, A Navarro, G Beretta, C Madrigal - Theoretical and Applied …, 2014 - Elsevier
Microstructural fracture mechanics models provide a description of short crack growth that
accounts for the interaction between cracks and microstructural barriers. In these models the …