Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

Standard

Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness. / Bouydo, Afaf; Lacroix, Valéry; Chaouadi, Rachid; Mares, Vratislav.

ASME 2018 Pressure Vessels and Piping Conference : Volume 1A: Codes and Standards. Vol. 2018 2018. p. 1-10 PVP2018-84575.

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

Harvard

Bouydo, A, Lacroix, V, Chaouadi, R & Mares, V 2018, Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness. in ASME 2018 Pressure Vessels and Piping Conference : Volume 1A: Codes and Standards. vol. 2018, PVP2018-84575, pp. 1-10, 2018 - ASME Pressure Vessels & Piping Conference , Prague, Czech Republic, 2018-07-15. https://doi.org/10.1115/PVP2018-84575

APA

Bouydo, A., Lacroix, V., Chaouadi, R., & Mares, V. (2018). Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness. In ASME 2018 Pressure Vessels and Piping Conference : Volume 1A: Codes and Standards (Vol. 2018, pp. 1-10). [ PVP2018-84575] https://doi.org/10.1115/PVP2018-84575

Vancouver

Bouydo A, Lacroix V, Chaouadi R, Mares V. Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness. In ASME 2018 Pressure Vessels and Piping Conference : Volume 1A: Codes and Standards. Vol. 2018. 2018. p. 1-10. PVP2018-84575 https://doi.org/10.1115/PVP2018-84575

Author

Bouydo, Afaf ; Lacroix, Valéry ; Chaouadi, Rachid ; Mares, Vratislav. / Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness. ASME 2018 Pressure Vessels and Piping Conference : Volume 1A: Codes and Standards. Vol. 2018 2018. pp. 1-10

Bibtex - Download

@inproceedings{70ff200b7ecc437882980069507ef59d,
title = "Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness",
abstract = "In fracture mechanics, a flaw behavior in pressure vessels is assessed with respect to the material fracture toughness.Fracture toughness which most Fitness-for-Service (FFS) codes relies on, only considers mode-I crack opening. However, in presence of tilted flaws, like quasi-laminar hydrogen flakes, this mode-I toughness may be too severe, and a mixed mode I+II fracture toughness seems to be more appropriate.In order to address the assessment of the fracture toughness curve, mixed mode I+II tests were performed by the authors on ferritic steel samples by adjusting the standard mode I CT specimen geometry to a geometry subjected to mixed mode I+II. Then, XFEM simulations of the mixed mode tests were performed in order to calculate the J-integral along the crack front.Based on tests and calculations results, the paper explains how the authors work towards proposing a method to measure the material fracture toughness in case of flaws subjected to mixed mode (I+II) loading.",
keywords = "Fracture toughness, Geometry, Engineering simulation, Steel, Pressure vessel, Hydrogen",
author = "Afaf Bouydo and Val{\'e}ry Lacroix and Rachid Chaouadi and Vratislav Mares",
note = "Score=3; 2018 - ASME Pressure Vessels & Piping Conference ; Conference date: 15-07-2018 Through 20-07-2018",
year = "2018",
month = oct,
doi = "10.1115/PVP2018-84575",
language = "English",
isbn = "978-0-7918-5158-6 ",
volume = "2018",
pages = "1--10",
booktitle = "ASME 2018 Pressure Vessels and Piping Conference",
url = "https://www.asme.org/events/pvp",

}

RIS - Download

TY - GEN

T1 - Towards a Process for the Assessment of Mixed Mode I+II Fracture Toughness

AU - Bouydo, Afaf

AU - Lacroix, Valéry

AU - Chaouadi, Rachid

AU - Mares, Vratislav

N1 - Score=3

PY - 2018/10

Y1 - 2018/10

N2 - In fracture mechanics, a flaw behavior in pressure vessels is assessed with respect to the material fracture toughness.Fracture toughness which most Fitness-for-Service (FFS) codes relies on, only considers mode-I crack opening. However, in presence of tilted flaws, like quasi-laminar hydrogen flakes, this mode-I toughness may be too severe, and a mixed mode I+II fracture toughness seems to be more appropriate.In order to address the assessment of the fracture toughness curve, mixed mode I+II tests were performed by the authors on ferritic steel samples by adjusting the standard mode I CT specimen geometry to a geometry subjected to mixed mode I+II. Then, XFEM simulations of the mixed mode tests were performed in order to calculate the J-integral along the crack front.Based on tests and calculations results, the paper explains how the authors work towards proposing a method to measure the material fracture toughness in case of flaws subjected to mixed mode (I+II) loading.

AB - In fracture mechanics, a flaw behavior in pressure vessels is assessed with respect to the material fracture toughness.Fracture toughness which most Fitness-for-Service (FFS) codes relies on, only considers mode-I crack opening. However, in presence of tilted flaws, like quasi-laminar hydrogen flakes, this mode-I toughness may be too severe, and a mixed mode I+II fracture toughness seems to be more appropriate.In order to address the assessment of the fracture toughness curve, mixed mode I+II tests were performed by the authors on ferritic steel samples by adjusting the standard mode I CT specimen geometry to a geometry subjected to mixed mode I+II. Then, XFEM simulations of the mixed mode tests were performed in order to calculate the J-integral along the crack front.Based on tests and calculations results, the paper explains how the authors work towards proposing a method to measure the material fracture toughness in case of flaws subjected to mixed mode (I+II) loading.

KW - Fracture toughness

KW - Geometry

KW - Engineering simulation

KW - Steel

KW - Pressure vessel

KW - Hydrogen

UR - https://ecm.sckcen.be/OTCS/llisapi.dll/overview/37585269

U2 - 10.1115/PVP2018-84575

DO - 10.1115/PVP2018-84575

M3 - In-proceedings paper

SN - 978-0-7918-5158-6

VL - 2018

SP - 1

EP - 10

BT - ASME 2018 Pressure Vessels and Piping Conference

T2 - 2018 - ASME Pressure Vessels & Piping Conference

Y2 - 15 July 2018 through 20 July 2018

ER -

ID: 6739009