Fatigue crack initiation and propagation behavior of nickel-based single crystal DD6 under different drilling processes

F Li, Y Zhang, Z Wu, X Ren, X Yue, H Pei… - Materials Science and …, 2022 - Elsevier
The fatigue crack initiation and propagation behavior of film cooling holes (FCHs) under
different drilling processes are of great significance to key structural parts. In this paper, it …

Fatigue crack growth behaviour of an alternative single crystal nickel base superalloy

F Palmert, J Moverare, D Gustafsson… - International Journal of …, 2018 - Elsevier
The fatigue crack growth behaviour of a single crystal nickel base superalloy was studied at
three different temperatures (20° C, 500° C and 750° C) and three different crystallographic …

Predicting stress and creep life in Inconel 718 blade-disk attachments

E Saberi, S Nakhodchi, A Dargahi, K Nikbin - Engineering Failure Analysis, 2020 - Elsevier
Due to several physical and computational difficulties in Finite Element (FE) analysis of
contact in fir-tree blade-disk attachments of gas turbines, there has always been a great …

Research on the propagation characteristics of multiple cracks in steel bridge joints

JS Cheng, S Ma, JH Duan, R Wang, XL Du - Theoretical and Applied …, 2024 - Elsevier
This study explores the morphological changes and interaction mechanisms of multiple
crack propagations in steel bridge joints. Fatigue testing was conducted to determine the …

Accounting for initial plastic deformation for fatigue crack growth predictions under TMF loading condition

J Loureiro-Homs, D Gustafsson, P Almroth… - International Journal of …, 2020 - Elsevier
Crack propagation rates from isothermal and in-phase high temperature thermomechanical
fatigue crack propagation tests for Inconel 792 resulted in a rather large scatter band when …

Molecular dynamics simulation of nanocrack propagation mechanism of polycrystalline titanium under tension deformation in nanoscale

J Li, L Dong, H Xie, W Meng, X Zhang, J Zhang… - Materials Today …, 2021 - Elsevier
In order to explore the nanoscale mechanism of nanocrack propagation in polycrystalline
titanium under tensile condition, molecular dynamics model of polycrystalline titanium was …

Prediction of crystallographic cracking planes in single-crystal nickel-base superalloys

C Busse, F Palmert, B Sjödin, P Almroth… - Engineering Fracture …, 2018 - Elsevier
The inherent anisotropy of single-crystal nickel-base superalloys brings many difficulties in
terms of modelling, evaluation and prediction of fatigue crack growth. Two models to predict …

A hybrid modeling method of fatigue crack growth for gas turbine blades under combined high and low cycle fatigue loadings

S Yang, Q Huang, X Gu, J Lan… - Proceedings of the …, 2024 - journals.sagepub.com
Fatigue crack is one of the major faults of the gas turbine blades. Previous modeling studies
on fatigue crack growth of blades mainly focus on a single numerical or analytical approach …

A finite element study of the effect of crystal orientation and misalignment on the crack driving force in a single-crystal superalloy

C Busse, J Loureiro Homs… - … Expo: Power for …, 2016 - asmedigitalcollection.asme.org
The elastic and plastic anisotropy of the single-crystalmaterials bring many difficulties in
terms of modeling, evaluation and prediction of fatigue crack growth. In this paper a single …

Fatigue life prediction of additively manufactured ductile nickel-based superalloys: Constitutive and crack initiation modelling

T Lindström - 2022 - diva-portal.org
The work presented in this dissertation has been conducted at the Division of Solid
Mechanics, Linköping University. The first part of the research project, which resulted in the …