Resource Type

Journal Article 257

Year

2023 13

2022 14

2021 19

2020 15

2019 24

2018 11

2017 12

2016 10

2015 20

2014 10

2013 12

2012 12

2011 7

2010 8

2009 20

2008 7

2007 12

2006 7

2005 5

2004 2

open ︾

Keywords

fatigue life 10

fatigue 8

crack 7

growth 4

aircraft structure 3

microstructure 3

morphology 3

Fatigue 2

Growth performance 2

acoustic emission 2

concrete 2

corrosion 2

crack growth 2

crack propagation 2

development 2

durability 2

economic growth 2

extended finite element method 2

load growth 2

open ︾

Search scope:

排序： Display mode:

Creep-fatigue crack growth behavior in GH4169 superalloy

Dianyin HU, Xiyuan WANG, Jianxing MAO, Rongqiao WANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 369-376 doi: 10.1007/s11465-018-0489-7

Abstract: This study aims to examine the crack growth behavior of turbine disc GH4169 superalloy under creep-fatigueCrack growth experiments were performed on compact tension specimens using trapezoidal waveform withThe crack growth rate of GH4169 superalloy significantly increased with dwell time.In addition, testing data under the same dwell time showed scattering at the crack growth rate.crack growth rate at 650 °C, thus indicating that two factors, namely, fine grain and presence of the

Keywords： crack growth rate     creep-fatigue     GH4169 superalloy     CT specimen     dwell time    

HTML PDF Collect

Some remarks on the engineering application of the fatigue crack growth approach under nonzero mean loads

Jorge Alberto Rodriguez DURAN,Ronney Mancebo BOLOY,Rafael Raider LEONI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 255-262 doi: 10.1007/s11465-015-0342-1

Abstract:

The well-known fatigue crack growth (FCG) curves are two-parameter dependents.the mathematical representation of these curves should be integrated between the initial and final crackK is almost always selected and, in these conditions, considered as the crack driving forceNumerical examples of crack growth analysis for cracks growing under nominal stresses of constant amplitudeThe resulting curves of crack size versus number of cycles (a vs.

Keywords： fatigue crack propagation modeling     life prediction     mean stress effects    

HTML PDF Collect

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 339-347 doi: 10.1007/s11709-010-0078-2

Abstract: In this paper, a concurrent simulation framework for fatigue crack growth analysis is proposed usinga novel small time scale model for fatigue mechanism analysis and the extended finite element method(X-FEM) for fatigue crack growth simulation.The X-FEM greatly facilitates crack growth simulation without remeshing requirements ahead of the crackfatigue crack growth analysis.

Keywords： small time scale model     extended finite element method (X-FEM)     crack growth     multiaxial    

HTML PDF Collect

Fatigue crack growth behavior of a 170 mm diameter stainless steel straight pipe subjected to combined

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 905-913 doi: 10.1007/s11709-021-0683-2

Abstract: Higher crack growth rate occurs because of this torsional load in addition to the bending load.In this study, experimental fatigue life evaluation was conducted on a notched stainless steel SA312The experimental crack depth was measured using alternating current potential drop technique.Afterward, the fatigue crack growth and crack pattern were discussed.As a result, fatigue crack growth predicted using analytical methods are in good agreement with experimental

Keywords： fatigue life     Delale and Erdogan method     RMS–SIF approach     stainless steel     torsion and bending load     fatigue crack growth    

HTML PDF Collect

Elasto-plastic fatigue crack growth analysis of plane problems in the presence of flaws using XFEM

Sachin KUMAR,A. S. SHEDBALE,I. V. SINGH,B. K. MISHRA

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 420-440 doi: 10.1007/s11709-015-0305-y

Abstract: In this paper, elasto-plastic XFEM simulations have been performed to evaluate the fatigue life of planecrack problems in the presence of various defects.The fatigue life obtained by EPFM is found quite close to that obtained by LEFM.

Keywords： XFEM     von-Mises yield criterion     isotropic hardening     fatigue crack growth     J-integral    

HTML PDF Collect

Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

Himanshu PATHAK,Akhilendra SINGH,I.V. SINGH,S. K. YADAV

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 359-382 doi: 10.1007/s11709-015-0304-z

Abstract: This paper deals with the fatigue crack growth simulations of three-dimensional linear elastic cracksBoth temperature and displacement approximations are extrinsically enriched by Heaviside and crack frontCrack growth is modelled by successive linear extensions, and the end points of these linear extensionsare joined by cubic spline segments to obtain a modified crack front.Different crack geometries such as planer, non-planer and arbitrary spline shape cracks are simulated

Keywords： 3-D cracks     fatigue life     Paris law     thermal load     XFEM    

HTML PDF Collect

Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 461-481 doi: 10.1007/s11465-018-0481-2

Abstract: and service of a critical component, leading researchers and engineers to thoroughly identifying the crackThis paper provides a brief review of studying the crack initiation and propagation inside lightweightinclusion, precipitate, etc.) or artificial defects (notch, scratch, pit, etc.) strongly affect the crackFor the hybrid laser welded aluminum alloy, fatigue cracks usually initiate from gas pores located at

Keywords： fatigue crack initiation and growth     fatigue damage mechanism     damage tolerance     defect characterization    

HTML PDF Collect

An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porous

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 914-936 doi: 10.1007/s11709-021-0750-8

Abstract: Crack growth modeling has always been one of the major challenges in fracture mechanics.Finally, the crack growth is modeled in a natural porous media (Fontainebleau sandstone).identically predict the stress distribution in the sample, the first strategy simulates only the initial crackExperimental tests showed that the second strategy is a more accurate strategy in predicting the preferred crackgrowth path and determining the maximum strength of the sample.

Keywords： numerical modeling     extended finite element method     porous media     crack growth     stress intensity factor    

HTML PDF Collect

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 257-269 doi: 10.1007/s11709-017-0410-1

Abstract: In this paper, a hierarchical approach is proposed for the evaluation of fatigue cracking in asphaltThe levels of fatigue damage analysis provides pavement engineers a variety of tools that can be used

Keywords： fatigue cracking     energy based     crack initiation     mechanistic approach     pavement analysis    

HTML PDF Collect

Influence of welding residual stresses on the ductile crack growth resistance of circumferentially cracked

Xiaobo REN, Odd M. AKSELSEN, B?rd NYHUS, Zhiliang ZHANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 217-223 doi: 10.1007/s11709-012-0169-3

Abstract: This paper focuses on the effect of welding residual stress on the ductile crack growth resistance ofThe complete Gurson model has been employed to calculate the ductile crack growth resistance.Results show that residual stresses reduce the ductile crack growth resistance.However, the effect of residual stresses on ductile crack growth resistance decreases with the increaseof crack growth.

Keywords： residual stress     ductile crack growth resistance     complete Gurson model     eigenstrain method    

HTML PDF Collect

Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review

B. J. WANG, D. K. XU, S. D. WANG, E. H. HAN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 113-127 doi: 10.1007/s11465-018-0482-1

Abstract: Given their hexagonal close packed structure, the fatigue crack initiation of Mg and its alloys is closelyIn this paper, some fundamental aspects about the fatigue crack initiation mechanisms of Mg alloys arereviewed, including the 3 followings: 1) Fatigue crack initiation of as-cast Mg alloys, 2) influenceof microstructure on fatigue crack initiation of wrought Mg alloys, and 3) the effect of heat treatmentMoreover, some unresolved issues and future target on the fatigue crack initiation mechanism of Mg alloys

Keywords： Mg alloys     fatigue behavior     microstructure     crack initiation     deformation mechanism    

HTML PDF Collect

Application of the expanded distinct element method for the study of crack growth in rock-like materials

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 121-131 doi: 10.1007/s11709-012-0151-0

Abstract: The expanded distinct element method (EDEM) was used to investigate the crack growth in rock-like materialsthat the EDEM model with the tensile-shear failure criterion has strong capabilities for modeling the growthResearch results demonstrated that sample failure primarily resulted from the growth of single cracksform of tensile wing cracks and shear secondary cracks) and the coalescence of two cracks due to the growthAdditionally, the inclination angle of the pre-existing crack clearly influences the final failure pattern

Keywords： expanded distinct element method (EDEM)     crack growth     rock-like material     tensile-shear failure criterion    

HTML PDF Collect

Simulation of cohesive crack growth by a variable-node XFEM

Weihua FANG, Jiangfei WU, Tiantang YU, Thanh-Tung NGUYEN, Tinh Quoc BUI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 215-228 doi: 10.1007/s11709-019-0595-6

Abstract: It also allows modeling the equal stresses at both sides of the crack in the crack-tip as assumed inthe cohesive model, and is able to simulate the arbitrary crack-tip location.

Keywords： extended finite element method     cohesive zone model     sign function     crack propagation    

HTML PDF Collect

Time Series Diagnosing Analysis for the Fatigue Crack of Large-scale and Heavyburden Supporting Shafts

Li Xuejun,Bin Guangfu,Wang Yuqing

Strategic Study of CAE 2006, Volume 8, Issue 4,   Pages 50-53

Abstract:

Because of the unobserved sudden fatigue failure of the large-scale and heavyburden supporting shaftssquare sum (NRSS) are adopted to identify the fault state, and the degree of supporting shafts' fatiguecrack is diagnosed effectively.The result of experiment shows that the method of time series using <="true">σa2 and NRSS as the index to diagnose the fatiguecrack of large-scale and heavyburden supporting shafts is more sensitive and effective than the normal

Keywords： large-scale and heavyburden machine     supporting shaft     concealment part     fatigue crack     time series    

HTML PDF Collect

Initial life of corner fine cracks on the P60 rails

Shi Rong,Fan Zhiyi,He Yuelei

Strategic Study of CAE 2008, Volume 10, Issue 8,   Pages 65-68

Abstract: Initially corner fine cracks expand slowly on the early stage, with the times of fatigue loads increasingcrack depth expanding speed rate dh/dN breaks.The times of fatigue loads at turn over point is defined

Keywords： rail     corner fine cracks     fatigue cracks     crack depth expanding speed     initial life    

HTML PDF Collect

Title Author Date Type Operation

Creep-fatigue crack growth behavior in GH4169 superalloy

Dianyin HU, Xiyuan WANG, Jianxing MAO, Rongqiao WANG

Journal Article

Some remarks on the engineering application of the fatigue crack growth approach under nonzero mean loads

Jorge Alberto Rodriguez DURAN,Ronney Mancebo BOLOY,Rafael Raider LEONI

Journal Article

Concurrent fatigue crack growth simulation using extended finite element method

Zizi LU, Yongming LIU,

Journal Article

Fatigue crack growth behavior of a 170 mm diameter stainless steel straight pipe subjected to combined

Journal Article

Elasto-plastic fatigue crack growth analysis of plane problems in the presence of flaws using XFEM

Sachin KUMAR,A. S. SHEDBALE,I. V. SINGH,B. K. MISHRA

Journal Article

Fatigue crack growth simulations of 3-D linear elastic cracks under thermal load by XFEM

Himanshu PATHAK,Akhilendra SINGH,I.V. SINGH,S. K. YADAV

Journal Article

Cracking evolution behaviors of lightweight materials based on

Y. Luo, S. C. Wu, Y. N. Hu, Y. N. Fu

Journal Article

An investigation on prevalent strategies for XFEM-based numerical modeling of crack growth in porous

Journal Article

Hierarchical approach for fatigue cracking performance evaluation in asphalt pavements

Ibrahim ONIFADE, Yared DINEGDAE, Björn BIRGISSON

Journal Article

Influence of welding residual stresses on the ductile crack growth resistance of circumferentially cracked

Xiaobo REN, Odd M. AKSELSEN, B?rd NYHUS, Zhiliang ZHANG

Journal Article

Fatigue crack initiation of magnesium alloys under elastic stress amplitudes: A review

B. J. WANG, D. K. XU, S. D. WANG, E. H. HAN

Journal Article

Application of the expanded distinct element method for the study of crack growth in rock-like materials

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Journal Article

Simulation of cohesive crack growth by a variable-node XFEM

Weihua FANG, Jiangfei WU, Tiantang YU, Thanh-Tung NGUYEN, Tinh Quoc BUI

Journal Article

Time Series Diagnosing Analysis for the Fatigue Crack of Large-scale and Heavyburden Supporting Shafts

Li Xuejun,Bin Guangfu,Wang Yuqing

Journal Article

Initial life of corner fine cracks on the P60 rails

Shi Rong,Fan Zhiyi,He Yuelei

Journal Article