Entire fracture surface topography parameters for fatigue life assessment of 10H2M steel

Journal of Constructional Steel Research, Год журнала: 2024, Номер 221, С. 108890 - 108890

Опубликована: Июль 15, 2024

Язык: Английский

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Strain energy density and entire fracture surface parameters relationship for LCF life prediction of additively manufactured 18Ni300 steel

International Journal of Damage Mechanics, Год журнала: 2024, Номер 33(9), С. 725 - 747

Опубликована: Май 3, 2024

In this study, the connection between total strain energy density and fracture surface topography is investigated in additively manufactured maraging steel exposed to low-cycle fatigue loading. The specimens were fabricated using laser beam powder bed fusion (LB-PBF) examined under fully-reversed strain-controlled setup at amplitudes scale from 0.3% 1.0%. post-mortem surfaces explored a non-contact 3D measuring system entire method. focus on relationship characteristics, expressed by density, features, represented areal, volume, fractal dimension factors. A life prediction model based parameters proposed. presented shows good accordance with test results outperforms other existing models density. This can be useful for post-failure analysis of engineering elements fatigue, especially materials produced additive manufacturing (AM).

Язык: Английский

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Fractographic-fractal dimension correlation with crack initiation and fatigue life for notched aluminium alloys under bending load

Engineering Failure Analysis, Год журнала: 2023, Номер 149, С. 107285 - 107285

Опубликована: Апрель 29, 2023

In this study, fatigue fracture surfaces of aluminium alloy 2017-T4 notched specimens were investigated under cyclic bending to find an alternative failure loading index.. The surface topographies measured on the entire area with optical profilometer for different conditions. Fatigue crack initiation life Ni and total Nf examined using standard topography parameters (such as, root mean square height Sq, arithmetical Sa, maximum Sz) non-standard fractal dimension Df). assessment was successfully performed by combining both stress state features. results show that plane geometry, expressed fractographic-fractal dimension, can facilitate estimation post-failure history.

Язык: Английский

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The Smith-Watson-Topper parameter and fracture surface topography relationship for additively manufactured 18Ni300 steel subjected to uniaxial variable-amplitude loading

Theoretical and Applied Fracture Mechanics, Год журнала: 2024, Номер 133, С. 104607 - 104607

Опубликована: Авг. 6, 2024

In this paper, the association between Smith-Watson-Topper (SWT) parameter and fracture surface topography is studied in additively manufactured maraging steel exposed to variable-amplitude fatigue loading. The post-failure surfaces were examined using a non-contact 3D measuring system entire method. focal point on correspondence characteristics, articulate by SWT parameter, features, represented areal, volume, fractal dimension parameters. A life prediction model based factors proposed. presented expresses good compliance with test results. This can be useful for post-mortem analysis of engineering elements under loading fatigue, especially materials produced additive manufacturing (AM).

Язык: Английский

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LCF behavior of 2024AA under uni- and biaxial loading taking into account creep pre-deformation

Engineering Fracture Mechanics, Год журнала: 2024, Номер 296, С. 109867 - 109867

Опубликована: Янв. 11, 2024

Язык: Английский

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The effect of elevated temperature on LCF damage growth in 2024AA – Experiment and modeling

Engineering Failure Analysis, Год журнала: 2024, Номер 158, С. 108015 - 108015

Опубликована: Янв. 23, 2024

Язык: Английский

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A TCD–based statistical method to assess the impact of surface roughness and pores on the fatigue strength of LPBF Inconel 718 specimens

International Journal of Fatigue, Год журнала: 2025, Номер unknown, С. 108821 - 108821

Опубликована: Янв. 1, 2025

Язык: Английский

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Modeling of damage interaction due to uniaxial creep and subsequent LCF pure torsional loading

Engineering Failure Analysis, Год журнала: 2025, Номер unknown, С. 109407 - 109407

Опубликована: Фев. 1, 2025

Язык: Английский

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Notch structural stress theory: Part Ⅲ surface roughness effect on fatigue lives

International Journal of Fatigue, Год журнала: 2025, Номер unknown, С. 108938 - 108938

Опубликована: Март 1, 2025

Язык: Английский

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Numerical study on the influence of liner geometry and lay-up sequence on the fatigue life of composite hydrogen storage vessel

International Journal of Pressure Vessels and Piping, Год журнала: 2023, Номер 205, С. 104986 - 104986

Опубликована: Июнь 5, 2023

Язык: Английский

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