Journal ArticleDOI
Notch fatigue analysis and life assessment using an energy field intensity approach in 7050-T6 aluminium alloy under bending-torsion loading
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TLDR
In this paper , the authors studied the fatigue crack initiation and fatigue crack propagation of notched cylindrical bars made of 7050-T6 aluminium alloy subjected to multiaxial bending-torsion loading.About:
This article is published in International Journal of Fatigue.The article was published on 2022-04-01. It has received 13 citations till now. The article focuses on the topics: Torsion (gastropod) & Aluminium alloy.read more
Citations
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Stress gradient effect in metal fatigue: Review and solutions
TL;DR: In this paper , a systematic review of recent advances on notch fatigue analysis considering the stress gradient effect is presented, and four approaches are summarized and explored, namely the local stress/strain-based approaches, critical distance-based approach, critical plane based approach, and weighting control parameters based approach.
Journal ArticleDOI
Fractographical quantitative analysis of EN-AW 2024 aluminum alloy after creep pre-strain and LCF loading
TL;DR: In this article , the applicability of a new damage parameter combining both fracture surface topography and loading features to estimate the fatigue lifetime under creep pre-strain and low-cycle fatigue loading was explored.
Journal ArticleDOI
Critical plane-based fatigue life model under multiaxial random loading
TL;DR: In this article , the average phase difference is characterized as the ratio of the number of shear strain cycles to normal strain cycles, and the new non-proportional additional hardening factor is proposed.
Journal ArticleDOI
On the Transferability of Fatigue and Cyclic Deformation Data to 100 µm Thin Structures
TL;DR: In this paper , the transferability of specimen data from high-strength steel X5CrNiCuNb16-4 to real structures characterised by a wall thickness of 100 µm was investigated.
Journal ArticleDOI
Fatigue life evaluation for notched single-crystal Ni-based superalloys considering inhomogeneous rafting microstructure
TL;DR: In this paper , an energy-based low cycle fatigue (LCF) life model is proposed based on the concept of the strain energy gradient by introducing the effect of rafting into the plastic and elastic parts of strain energy density.
References
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Journal ArticleDOI
Theory of Stress Concentration for Shear-Strained Prismatical Bodies With Arbitrary Nonlinear Stress-Strain Law
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Prediction of non propagating cracks
TL;DR: In this paper, an explanation for non propagating fatigue cracks is presented based on the criterion that once the value of a particular strain intensity factor reduces to the threshold value for the material the crack should stop.
Journal ArticleDOI
Recent advances in the development of aerospace materials
Xuesong Zhang,Yongjun Chen,J. Hu +2 more
TL;DR: In this paper, the authors focus on the following topics: (1) materials requirements in design of aircraft structures and engines, (2) recent advances in the development of aerospace materials, (3) challenges faced by recent aerospace materials and (4) future trends in aerospace materials.
Journal ArticleDOI
A method of elastic-plastic stress and strain calculation at a notch root
TL;DR: In this article, an energy-based method of local elastic-plastic stress and strain calculation is presented, where the theoretical stress concentration factor k t can be related to the unit elastic strain energy at a notch root.
Journal ArticleDOI
Recent advances on notch effects in metal fatigue: A review
TL;DR: In this paper, the authors proposed a model for system reliability and safety at the University of Electronic Science and Technology of China, Chengdu, China Center for System Reliability & Safety.
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