Crack tip fields in anisotropic planes: a review

MR Ayatollahi, M Nejati, S Ghouli - International Journal of Fracture, 2022 - Springer
This paper reviews crack tip asymptotic fields in generic plane anisotropic media, rigorously
categorising about 400 studies devoted to the determination of the asymptote coefficients …

The finite element over-deterministic method to calculate the coefficients of crack tip asymptotic fields in anisotropic planes

MR Ayatollahi, M Nejati, S Ghouli - Engineering Fracture Mechanics, 2020 - Elsevier
This article applies the finite element over-deterministic (FEOD) method to determine the
coefficients of the crack tip asymptotic fields in an anisotropic plane. This method relies on …

Crystal plasticity assessment of crystallographic Stage I crack propagation in a Ni-based single crystal superalloy

M Sakaguchi, R Komamura, X Chen, M Higaki… - International Journal of …, 2019 - Elsevier
Stage I fatigue crack propagation along crystallographic slip planes was experimentally and
analytically investigated in a single crystal Ni-base superalloy, NKH-304. Fatigue crack …

Thermomechanical fatigue crack growth in a single crystal nickel base superalloy

F Palmert, J Moverare, D Gustafsson - International Journal of Fatigue, 2019 - Elsevier
Thermomechanical fatigue crack growth in a single crystal nickel base superalloy was
studied. Tests were performed on single edge notched specimens, using in phase and out of …

Phase field modeling of fracture and crack growth

A Staroselsky, R Acharya, B Cassenti - Engineering Fracture Mechanics, 2019 - Elsevier
Predicting crack growth in structural components is a computationally intensive process.
Phase field models of crack growth reduce the computational complications associated with …

Micromechanical characterization of zirconia and silicon nitride ceramics using indentation and scratch methods

M Liu, S Chen - Ceramics International, 2024 - Elsevier
Micromechanical characterization of brittle ceramics remains challenging due to the difficulty
in sample preparation required by conventional tests. The micromechanical properties (eg …

Fatigue life assessment of nickel-based single crystals considering equivalent initial flaw size model and anisotropy

F Li, Z Wen, Z Wu, H Pei, Z Yue - International Journal of Fatigue, 2022 - Elsevier
This paper presents a novel modeling framework for predicting fatigue life performance with
varying film cooling holes (FCHs). Within this framework, in-situ crack propagation tests of …

Evaluation of the crystallographic fatigue crack growth rate in a single-crystal nickel-base superalloy

C Busse, F Palmert, B Sjödin, P Almroth… - International Journal of …, 2019 - Elsevier
Cracks in single-crystal nickel-base superalloys have been observed to switch cracking
mode from Mode I to crystallographic cracking. The crack propagation rate is usually higher …

Criteria evaluation for the transition of cracking modes in a single-crystal nickel-base superalloy

C Busse, D Gustafsson, F Palmert, B Sjödin… - Theoretical and Applied …, 2020 - Elsevier
Single-crystal nickel-base superalloys frequently experience two distinct fatigue crack
growth modes. It has been observed that, under certain conditions, cracks transition from a …

[HTML][HTML] Modelling of the transition from mode I to crystallographic crack growth in a single crystal gas turbine blade alloy under service-like loading conditions

F Palmert, D Gustafsson, P Almroth, H Petersson… - International Journal of …, 2022 - Elsevier
In fatigue life prediction of single crystal gas turbine blades, the risk of rapid crystallographic
crack growth along the close-packed planes poses a large uncertainty. A criterion is …