Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Jacky Lesage"'
Autor:
Jacky Lesage, Edoardo Bemporad, Ilson Paranhos Pasqualino, Bianca Pinheiro, Noureddine Benseddiq
Publikováno v:
Materials Science and Engineering: A
Materials Science and Engineering: A, Elsevier, 2013, 580, pp.1-12. ⟨10.1016/j.msea.2013.05.042⟩
Materials Science and Engineering: A, Elsevier, 2013, 580, pp.1-12. ⟨10.1016/j.msea.2013.05.042⟩
International audience; The present work is the second part of an ongoing study of microstructural changes during fatigue damage initiation in pipe steels [B. Pinheiro et al., Mat. Sci. Eng., A 532 (2012) 158-166]. Microdeformations and residual stre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::964b18c5054adc00de61ffcaab96bc70
https://doi.org/10.1016/j.msea.2013.05.042
https://doi.org/10.1016/j.msea.2013.05.042
Publikováno v:
Materials Science and Engineering: A
Materials Science and Engineering: A, Elsevier, 2013, 559, pp.268-275. ⟨10.1016/j.msea.2012.08.097⟩
Materials Science and Engineering: A, Elsevier, 2013, 559, pp.268-275. ⟨10.1016/j.msea.2012.08.097⟩
International audience; The present study has been conducted in order to formulate a rational description of the flow stress of structural steels, when these are deformed in tension under hot-working conditions. The simplified formulation that has be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::459d057ea46ed0f3adee01e3471db5d3
https://doi.org/10.1016/j.msea.2012.08.097
https://doi.org/10.1016/j.msea.2012.08.097
Autor:
Ilson Paranhos Pasqualino, Noureddine Benseddiq, Jacky Lesage, Edoardo Bemporad, Bianca Pinheiro
Publikováno v:
Materials Science and Engineering: A
Materials Science and Engineering: A, Elsevier, 2012, 532, pp.158-166. ⟨10.1016/j.msea.2011.10.077⟩
Materials Science and Engineering: A, Elsevier, 2012, 532, pp.158-166. ⟨10.1016/j.msea.2011.10.077⟩
The present work aims to evaluate the microstructural mechanisms associated with the initiation of fatigue damage in steels used in the petroleum industry. Microdeformations and residual stresses (macrostresses) are evaluated by X-ray diffraction in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::692f55fc2f578457d539d84e156a3a05
https://doi.org/10.1016/j.msea.2011.10.077
https://doi.org/10.1016/j.msea.2011.10.077
Publikováno v:
Surface and Coatings Technology
Surface and Coatings Technology, Elsevier, 2010, 204 (8), pp.1193-1199. ⟨10.1016/j.surfcoat.2009.10.034⟩
Surface and Coatings Technology, Elsevier, 2010, 204 (8), pp.1193-1199. ⟨10.1016/j.surfcoat.2009.10.034⟩
We present the results of a surface modification of AISI 316L stainless steel by surface irradiation with high energy, pulsed nitrogen ion beams generated with 0.8 kJ dense plasma focus. The surface characterization was done using GAXRD, Auger electr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d2d25f2f8dfd5f00abdc3ac55c553ca
https://doi.org/10.1016/j.surfcoat.2009.10.034
https://doi.org/10.1016/j.surfcoat.2009.10.034
Publikováno v:
Surface and Coatings Technology
Surface and Coatings Technology, Elsevier, 2008, 202 (18), pp.4411-4416. ⟨10.1016/j.surfcoat.2008.04.018⟩
Surface and Coatings Technology, Elsevier, 2008, 202 (18), pp.4411-4416. ⟨10.1016/j.surfcoat.2008.04.018⟩
The interfacial indentation test allows determining the interface toughness of a coating obtained by thermal spraying. During this test, a Vickers indentation is carried out on a cross-section of the sample. A crack is initiated and propagated along
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc11d6b1876e2fac2fcdea995c873891
https://doi.org/10.1016/j.surfcoat.2008.04.018
https://doi.org/10.1016/j.surfcoat.2008.04.018
Publikováno v:
Surface Engineering
Surface Engineering, Maney Publishing, 2007, 23 (4), pp.273-278. ⟨10.1179/174329407X215140⟩
Surface Engineering, 2013, 23 (4), pp.273-278. ⟨10.1179/174329407X215140⟩
Surface Engineering, Maney Publishing, 2007, 23 (4), pp.273-278. ⟨10.1179/174329407X215140⟩
Surface Engineering, 2013, 23 (4), pp.273-278. ⟨10.1179/174329407X215140⟩
The work presented in the present paper aims at evaluating the opportunity of the eddy current method to characterise the decarburising extent which can occur during usual heat treatments of steel like austenising. The present work is based on previo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5b50f18ba02525c3c380f4c64a397056
https://doi.org/10.1179/174329407x215140
https://doi.org/10.1179/174329407x215140
Publikováno v:
Journal of the European Ceramic Society
Journal of the European Ceramic Society, 2007, 27 (4), pp.1905-1911. ⟨10.1016/j.jeurceramsoc.2006.06.011⟩
Journal of the European Ceramic Society, Elsevier, 2007, 27 (4), pp.1905-1911. ⟨10.1016/j.jeurceramsoc.2006.06.011⟩
Journal of the European Ceramic Society, 2007, 27 (4), pp.1905-1911. ⟨10.1016/j.jeurceramsoc.2006.06.011⟩
Journal of the European Ceramic Society, Elsevier, 2007, 27 (4), pp.1905-1911. ⟨10.1016/j.jeurceramsoc.2006.06.011⟩
Vickers and Knoop hardness measurements performed on various ceramics (hard metals) and light alloy materials (soft metals) are compared. The results show that the Knoop hardness number is, in general, lower than the Vickers hardness number for the h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ee970f6c03f175408acf9e6c3f7d12b
https://doi.org/10.1016/j.jeurceramsoc.2006.06.011
https://doi.org/10.1016/j.jeurceramsoc.2006.06.011
Autor:
Mirentxu Dubar, Mariana Staia, J.D. Guérin, Didier Chicot, Eli S. Puchi-Cabrera, Jacky Lesage
Publikováno v:
International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2015, 99, pp.143-153. ⟨10.1016/j.ijmecsci.2015.04.021⟩
International Journal of Mechanical Sciences, 2015, 99, pp.143-153. ⟨10.1016/j.ijmecsci.2015.04.021⟩
International Journal of Mechanical Sciences, Elsevier, 2015, 99, pp.143-153. ⟨10.1016/j.ijmecsci.2015.04.021⟩
International Journal of Mechanical Sciences, 2015, 99, pp.143-153. ⟨10.1016/j.ijmecsci.2015.04.021⟩
International audience; As observed from the current literature, the vast majority of the constitutive models that have been proposed for the description of the changes in the high-temperature flow stress of high-Mn austenitic steels, in the course o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50e6d323032deeefe8f4264adf983b3b
https://hal.archives-ouvertes.fr/hal-01203270
https://hal.archives-ouvertes.fr/hal-01203270
Autor:
Jean-Marie Bienvenu Ndjaka, Francine Roudet, Michel Yetna N'Jock, Xavier Decoopman, Jacky Lesage, Didier Chicot, Alberto Mejias
Publikováno v:
Matériaux & Techniques
Matériaux & Techniques, EDP Sciences, 2015, 103 (6), pp.603. ⟨10.1051/mattech/2015048⟩
Matériaux & Techniques, EDP Sciences, 2015, 103 (6), pp.603. ⟨10.1051/mattech/2015048⟩
Au cours d’un essai d’indentation, la matiere se deforme sous l’indenteur se traduisant physiquement par une deflection des faces de l’empreinte ou par la formation d’un bourrelet a la surface du materiau selon son comportement mecanique. L
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6fdf34d33aae019f48e46487f2be929
https://hal.archives-ouvertes.fr/hal-03255793
https://hal.archives-ouvertes.fr/hal-03255793
Autor:
Alberto Mejias, M. Yetna N’Jock, Jacky Lesage, Didier Chicot, J.M.B. Ndjaka, Francine Roudet, Xavier Decoopman
Publikováno v:
International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2015, 90, pp.145-150. ⟨10.1016/j.ijmecsci.2014.11.008⟩
International Journal of Mechanical Sciences, 2015, 90, pp.145-150. ⟨10.1016/j.ijmecsci.2014.11.008⟩
International Journal of Mechanical Sciences, Elsevier, 2015, 90, pp.145-150. ⟨10.1016/j.ijmecsci.2014.11.008⟩
International Journal of Mechanical Sciences, 2015, 90, pp.145-150. ⟨10.1016/j.ijmecsci.2014.11.008⟩
International audience; The instrumented indentation test is usually used to determine the mechanical properties of materials. Depending on the nature of the material, the way the matter flows under the indenter by piling-up or sinking-in affects the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6384df0ec9362cdf72edf07ee6913a5
https://hal.archives-ouvertes.fr/hal-03255744
https://hal.archives-ouvertes.fr/hal-03255744