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Nonlinear Fatigue Damage Accumulation [PDF]
Fatigue of Aircraft Structures, 2015 One important element of any computational fatigue analysis is the adoption of a hypothesis of fatigue damage accumulation. The most commonly used is the hypothesis of linear accumulation of fatigue damage called the Palmgren-Miner hypothesis.
Dębski Daniel Krzysztof
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High-cycle fatigue damage accumulation in paper [PDF]
Communications Materials, 2020 Paper is a ubiquitous material used in a range of applications, many of which expose it to fatigue loading. Here, a detailed study of the mechanical response of paper during high‐cycle fatigue loading is reported, with fiber fracture found to be a key ...
Yoon Joo Na +2 more
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A statistically self-consistent fatigue damage accumulation model including load sequence effects under spectrum loading [PDF]
Fracture and Structural Integrity, 2016 A probabilistic methodology is proposed to evaluate fatigue damage accumulation and fatigue lives of specimens under variable amplitude loading. With probabilistic modifications in the present model, the calculative consistency is achieved between ...
Chen Xianmin +3 more
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Fatigue damage accumulation in CFRP [PDF]
WIT Transactions on The Built Environment, 2008 A cyclic bending study using a stress ratio of 0.1 was conducted on unidirectional 45CFRP with a 60% nominal fibre volume fraction. This allowed the continuous matrix damage evolution to be followed without the influence of delamination. Damage was monitored by changes in the fatigue modulus, increase in crack density and amount of permanent bending ...
A. Plumtree, K. Cain
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Journal of Marine Science and Engineering, 2022 The subsea wellhead (SW) system is a crucial connection between blowout preventors (BOPs) and subsea oil and gas wells. Excited by cyclical fatigue dynamic loadings, the SW is prone to fatigue failure, which would lead to the loss of well integrity and ...
Jiayi Li +7 more
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The study of a defect evolution in iron under fatigue loading in gigacyclic fatigue regime [PDF]
Fracture and Structural Integrity, 2016 The work is devoted to the study of the damage accumulation in iron under gigacyclic fatigue (VHCF) regime. The study of the mechanical properties of the samples with different state of life time existing was carried out on the base of the acoustic ...
O. Plekhov +4 more
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The treatment of Fatigue and Damage Accumulation in Composite Design [PDF]
Advanced Composites Letters, 1992 SUMMARY The process of design has traditionally involved a specialized treatment of damage accumulation and associated fatigue phenomena, e.g. Miners Rule. The treatment of such phenomena for the case of advanced composites tends to be complicated by the existence of a multiplicity of competing failure modes.
K KEDWARD, P BEAUMONT
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A new fatigue damage model for pavement concrete beams bearing multi-level bending loads.
PLoS ONE, 2021 MTS-810 material testing machine and acoustic emission signal analyzer were adopted to explore the mechanical behavior of concrete beams broken by the static load and the nonlinear cumulative damage law of concrete beams broken by fatigue bending from ...
Liang Lei +4 more
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A thermography-based method for fatigue behavior evaluation of coupling beam damper [PDF]
Fracture and Structural Integrity, 2017 Under cyclic load, local fatigue damage will occur in the metal damper widely used in the shear wall. This will deteriorate the stiffness of damper and weaken the hysteresis behaviour. The present paper proposed a new and easy method to manufacture kinds
Zhe Zhang +4 more
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The characterization of bovine compact bone fatigue damage using terahertz spectroscopy
Zeitschrift für Medizinische Physik, 2023 Fatigue can cause cracks to propagate from the micro- to the macroscale, which results in a decrease of Young’s modulus of the bone. Non-destructive measurements of bone fatigue damage are of great importance for bone quality assessment and fracture ...
Xianjia Meng +7 more
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