Validation of a high-cycle fatigue model via calculation/test comparisons at structural scale: Application to copper alloy sand-cast ship propellers

Ezanno, Anthony; Doudard, Cédric; Moyne, Sylvain; Calloch, Sylvain; Millot, Thierry; Bellèvre, David

doi:10.1016/j.ijfatigue.2014.12.008

Cited by 11 publications

(4 citation statements)

References 20 publications

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“…More recently, other authors have showed similar correlation for simple specimens made of steel, 17,18 copper, 19 polymer 20 and for more complex structures such as a ship propeller 21 and welded joints 22 . However, especially for structures, the temperature variations are not directly related to heat sources but are influenced by heat transfer (conduction and convection).…”

Section: Introductionmentioning

confidence: 69%

Thermographic approach for high cycle fatigue of seam welded steel joints under variable amplitude loadings

Pierron

Maïtournam

Raoult

2020

Fatigue Fract Eng Mat Struct

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In the automotive field, welded joints are the weak points of the steel parts of the chassis in terms of fatigue. The fatigue strength of arc-welded parts is generally evaluated using fatigue tests under constant amplitude loadings designed according the Palmgren-Miner rule. In this paper, the relevance of this process is tested with an experimental campaign on welded specimens subjected to various variable amplitude loads. In addition, to solve the recurrent issue of lack of fatigue data, a thermographic method is investigated as an alternative for monitoring the damage rate evolution. A theoretical thermal model is proposed to estimate a local heat source from the infrared thermal measurements during constant and variable amplitude loading tests. This heat source is shown to be correlated with fatigue damage, which provides a further insight on the evolution of damage during nonconstant amplitude fatigue tests.

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Section: Introductionmentioning

confidence: 69%

Thermographic approach for high cycle fatigue of seam welded steel joints under variable amplitude loadings

Pierron

Maïtournam

Raoult

2020

Fatigue Fract Eng Mat Struct

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“…Thus, the predicated P–S–N curve model was modified as:

N_{f} goodbreak= \frac{A_{6}}{{(⟨⟩, Σ_{a}^{*} goodbreak- Σ_{\infty} ((), P_{F}))}^{2}}

where

A_{6}

is a material parameter and

Σ_{a}^{*}

the equivalent stress amplitude. This model was validated via calculation and test comparisons at a structural scale for the application to copper alloy sand‐cast ship propellers by Ezanno et al 103 Taking inspiration from the aforementioned investigations, Mostofizadeh et al 104 utilized the model presented in Equation (45) to analyze both homogeneous and heterogeneous NiTi shape memory alloys (SMAs). Bercelli et al 105 similarly applied this model to wire and arc additive manufacturing (WAAM) samples, accounting for rare WAAM defects by generating a database of representative pore cases.…”

Section: Fatigue Life Prediction Methodsmentioning

confidence: 99%

Thermo‐based fatigue life prediction: A review

Teng

2023

Fatigue Fract Eng Mat Struct

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The main objective of this review paper is twofold: Recall the most captivating areas of research in predicting the fatigue life of metals with the application of thermal methodology, particularly for the stress‐controlled fatigue tests. The explicit lifetime models reviewed have been developed by scholars over the past two decades owing to the advancements in infrared thermal imaging technology. Introduce, discuss, and conclude a broad range of alternative theoretical frameworks in thermodynamics. Some investigations are made with the previous methods, including the most recent evolutions of lifetime models for structural integrity across various fields. Some future perspectives are provided in final, which could pave the way for a new realistic or potential capability.

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“…The effect of SPD on the fatigue behaviour of copper-based alloys has not been widely studied. Ezanno et al [33] studied the fatigue strength of sand-cast ship propellers made of copper-aluminium alloy. Fatigue tests on copper alloy wire were conducted by Wang et al [34].…”

Section: Refmentioning

confidence: 99%

Effects of Heat Treatment and Severe Surface Plastic Deformation on Mechanical Characteristics, Fatigue, and Wear of Cu-10Al-5Fe Bronze

et al. 2022

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Aluminium bronzes are widely used in various industries because of their unique properties, a combination of high strength, wear resistance, and corrosion resistance in aggressive environments, including seawater. In this study, the subject of comprehensive experimental research was Cu-10Al-5Fe iron-aluminium bronze (IAB) with β-transformation, received in the form of hot-rolled bars. The effects of different heat treatments (HT) and severe surface plastic deformation (SPD), conducted by diamond burnishing (DB) on the microstructure, surface integrity (SI), mechanical properties, low- and mega-cycle fatigue strength, and dry sliding wear resistance, were determined. Based on quantitative indicators, the applied heat treatments in combination with severe SPD were compared. Thus, the integral efficiency of the heat treatments was evaluated, and the heat treatments were correlated with the resulting properties and operational behaviour of Cu-10Al-5Fe IAB. For example, if the component is designed for rotational bending conditions, the combination of quenching at 920 °C in water, subsequent tempering at 300 °C for three hours, and DB provides maximum fatigue strength in both low-cycle and mega-cycle fatigue applications.

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Validation of a high-cycle fatigue model via calculation/test comparisons at structural scale: Application to copper alloy sand-cast ship propellers

Cited by 11 publications

References 20 publications

Thermographic approach for high cycle fatigue of seam welded steel joints under variable amplitude loadings

Thermographic approach for high cycle fatigue of seam welded steel joints under variable amplitude loadings

Thermo‐based fatigue life prediction: A review

Effects of Heat Treatment and Severe Surface Plastic Deformation on Mechanical Characteristics, Fatigue, and Wear of Cu-10Al-5Fe Bronze

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