Výsledky vyhledávání - "P.J. Jacques"

Akademický článek

A better understanding of hydrogen trapping and diffusion in aluminized press-hardenable steels

Autor: M. Krid, M. Mandy, T. Sturel, R. Grigorieva, P. Drillet, P.J. Jacques

Publikováno v: Journal of Materials Research and Technology, Vol 28, Iss , Pp 1514-1522 (2024)

Press hardenable steels (PHS) coated with Al–Si alloy are widely used in the automotive industry owing to their good mechanical properties (Yield Strength >1200 MPa and Tensile Strength >1500 MPa). The presence of Al–Si coating prevents oxidation

Externí odkaz: https://doaj.org/article/b6bc62b142d34365b3a36fc51edf34ff

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Akademický článek

Combination of ab initio descriptors and machine learning approach for the prediction of the plasticity mechanisms in β-metastable Ti alloys

Autor: M. Coffigniez, P.-P. De Breuck, L. Choisez, M. Marteleur, M.J. van Setten, G. Petretto, G.-M. Rignanese, P.J. Jacques

Publikováno v: Materials & Design, Vol 239, Iss , Pp 112801- (2024)

This study proposes a machine-learning (ML) model combining ab initio calculations and an experimental dataset of 201 alloys (in addition to pure Ti) to predict the activated plasticity mechanisms in β-Ti alloys. This methodology is shown to be more

Externí odkaz: https://doaj.org/article/9e62c675904d443dac9d3aad006d8827

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Akademický článek

Temperature rise up to melting under quasi-static loading conditions induced by adiabatic shear banding

Autor: L. Choisez, G. Roy, P.J. Jacques

Publikováno v: Materials & Design, Vol 212, Iss , Pp 110269- (2021)

Adiabatic shear banding propagating at very large speed was observed during the unstable fracture of TRIP-TWIP β -metastable Ti-12 wt% Mo alloy under quasi-static loading. The fusible coating method was used with five different coatings to assess th

Externí odkaz: https://doaj.org/article/687619f91d9344db9d98bd4c23142dfd

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Akademický článek

On the interplay between intermetallic controlled growth and hot tearing susceptibility in Al-to-steel welding with additional interlayers

Autor: N. Jimenez-Mena, A. Simar, P.J. Jacques

Publikováno v: Materials & Design, Vol 180, Iss , Pp - (2019)

The brittle behaviour of Fe/Al intermetallic compounds formed during dissimilar Al-to-steel welding is a major drawback for the mechanical integrity of the joint, particularly for thick intermetallic layers. In order to improve the toughness of the w

Externí odkaz: https://doaj.org/article/a512d6b6277741f4925dedbe0cecae05

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Akademický článek

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Optimization of the essential work of fracture method for characterization of the fracture resistance of metallic sheets

Autor: A. Hilhorst, T. Pardoen, P.J. Jacques

Publikováno v: Engineering Fracture Mechanics, Vol. 268, p. 108442 (2022)

The essential work of fracture (EWF) method is a powerful approach to characterize the fracture resistance of thin ductile sheets based on a principle of separation of energy contributions. A major drawback of the method is an extensive use of materi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::664ae09a048688f5b60623937a4e71ec
https://zenodo.org/record/7215022

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Unveiling the thermodynamic driving forces for high entropy alloys formation through big data ab initio analysis

Autor: Geoffroy Hautier, Wei Chen, G.B. Bokas, A. Hilhorst, Stéphane Gorsse, P.J. Jacques

Publikováno v: Scripta Materialia
Scripta Materialia, Elsevier, 2021, 202, 114000 (5 p.). ⟨10.1016/j.scriptamat.2021.114000⟩
Scripta Materialia, Vol. 202, p. 114000 (2021)

International audience; The fundamental thermodynamic driving forces beyond the existence of high entropy alloys (HEAs) are still not firmly understood. Here, using thermodynamic modeling combining ab initio computations with a regular solution model

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7937d6decdf15d31721724653bc0af9a
https://hal.archives-ouvertes.fr/hal-03263540/document

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Akademický článek

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Potential TRIP/TWIP coupled effects in equiatomic CrCoNi medium-entropy alloy

Autor: L. Ding, A. Hilhorst, H. Idrissi, P.J. Jacques

Publikováno v: Acta Materialia, Vol. 234, p. 118049 (2022)

High-entropy alloys (HEA) and medium-entropy alloys (MEA), containing multiple principal elements typ- ically with equiatomic or near-equiatomic ratios, have drawn considerable attention due to their unique and promising mechanical profiles, such as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcf76634a12188f58e700e153757f126
https://doi.org/10.1016/j.actamat.2022.118049

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High temperature in situ SEM assessment followed by ex situ AFM and EBSD investigation of the nucleation and early growth stages of Fe-Al intermetallics

Autor: P.J. Jacques, Peikang Xia, Thaneshan Sapanathan, Aude Simar, Ilchat Sabirov, Jon M. Molina-Aldareguia, Miguel A. Monclús

Publikováno v: Scripta Materialia, Vol. 200, no. 113910 (2021)
Scripta Materialia

A dedicated in situ heating setup in a scanning electron microscope (SEM) followed by an ex situ atomic force microscopy (AFM) and electron backscatter diffraction (EBSD) is used to characterize the nucleation and early growth stages of Fe-Al interme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2582b92755a9468c201cfe31532432c

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