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The contribution of the grain boundary engineering to the problem of intergranular hydrogen embrittlement

Author: Jiaqi LiJamaa BouhattateXavier Feaugas, chercheur en génie mécanique).Véronique DoquetYann CharlesAll authors
Publisher: 2017.
Dissertation: Thèse de doctorat : Science et génie des matériaux : La Rochelle : 2017.
Edition/Format:   Computer file : Document : Thesis/dissertation : English
Summary:
La mobilité de l'hydrogène dans les métaux est un paramètre clef pour la compréhension des mécanismes de base de la fragilisation par l'hydrogène (FPH). Cette problématique est directement associée aux mécanismes de diffusion et de piégeage de l'hydrogène au sein d'un réseau cristallin. Ces derniers dépendent des diverses hétérogénéités microstructurales et en particulier des défauts cristallins
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Genre/Form: Thèses et écrits académiques
Material Type: Document, Thesis/dissertation, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: Jiaqi Li; Jamaa Bouhattate; Xavier Feaugas, chercheur en génie mécanique).; Véronique Doquet; Yann Charles; Afrooz Barnoush; Jun Song; Michel Perez, spécialiste des matériaux).; Arnaud Metsue; Université de La Rochelle.; École doctorale Sciences et Ingénierie des Matériaux, Mécanique, Energétique et Aéronautique (Poitiers / 2009-2018).; Laboratoire des Sciences de l'Ingénieur pour l'Environnement (La Rochelle).
OCLC Number: 1061274941
Notes: Titre provenant de l'écran-titre.
Description: 1 online resource
Responsibility: Jiaqi Li ; sous la direction de Jamaa Bouhattate et de Xavier Feaugas.

Abstract:

La mobilité de l'hydrogène dans les métaux est un paramètre clef pour la compréhension des mécanismes de base de la fragilisation par l'hydrogène (FPH). Cette problématique est directement associée aux mécanismes de diffusion et de piégeage de l'hydrogène au sein d'un réseau cristallin. Ces derniers dépendent des diverses hétérogénéités microstructurales et en particulier des défauts cristallins présents au sein du matériau. Dans le cadre de nos travaux nous nous sommes restreints à étudier la diffusion et le piégeage de l'hydrogène au sein de deux systèmes élémentaires : des monocristaux et des bi-cristaux de nickel. Nous avons développé une méthodologie associant des outils expérimentaux (Perméation électrochimique/TDS, METHR, EBSD) et numériques (FEM-COMSOL/EAM-LAMMPS). Les résultats obtenus sur monocristaux montrent une dépendance du coefficient de diffusion de l'hydrogène avec l'orientation cristallographique et la teneur en hydrogène. L'analyse thermodynamique du système nickel-hydrogène-lacune démontre une dépendance du potentiel chimique de l'hydrogène à l'état de contrainte induit par la formation d'amas de lacunes associés à la présence de l'hydrogène. Le caractère anisotrope de la diffusion est alors expliqué par l'anisotropie des propriétés d'élasticité du réseau cristallin et la présence de ces amas. D'autre part nous avons caractérisé les processus de diffusion et de piégeage de l'hydrogène pour des bi-cristaux de nickel présentant différents volumes libres. L'énergie de ségrégation de l'hydrogène dépend de la nature du site (volume libre local et énergie mécanique associée à l'incorporation du soluté). La diffusion de l'hydrogène est influencée directement par la nature de joint de grain (excès de volume et distribution des sites). Nos résultats, à l'échelle atomique, montrent une corrélation entre la solubilité et le volume libre du joint de grain. Les joints de grains avec un volume libre important présentent des chemins de diffusion plus favorables pour l'hydrogène que dans le réseau cristallin et dans le même temps un nombre plus important de sites de ségrégation.

The mobility of hydrogen in metals is a key parameter for understanding the basic mechanisms of hydrogen embrittlement (HE). This problem is directly related to the mechanisms of diffusion and trapping of hydrogen within a crystal lattice. These mechanisms depend on the various microstructural heterogeneities and in particular the crystalline defects. In our work, we have focused on the diffusion and trapping of hydrogen in two elementary systems: nickel single crystals and bi-crystals. We developed a methodology combining experimental tools (electrochemical permeation / TDS, HRTEM, EBSD) and numerical methods (FEM-COMSOL / EAM-LAMMPS). The results obtained on the single crystals show a dependence of the diffusion coefficient of hydrogen with the crystallographic orientation and the hydrogen content. The thermodynamic analysis of the nickel-hydrogen-vacancy system shows a dependence of the chemical potential of hydrogen with the stress state induced by the formation of clusters of vacancies associated with the presence of hydrogen. The anisotropic character of the diffusion is then explained by the anisotropy of the elastic properties of the crystal lattice and the presence of these clusters. Moreover, we have characterized the processes of diffusion and trapping of hydrogen for nickel bi-crystals with different free volumes. The segregation energy of hydrogen depends on the nature of the site (the local free volume and the mechanical energy associated with the incorporation of solute). The diffusion of hydrogen is directly influenced by the nature of the grain boundary (the free volume and the distribution of the segregation sites). Our results, at the atomic scale, show a correlation between the solubility and the free volume of the grain boundary. The grain boundaries with a higher free volume have more favorable diffusion paths for hydrogen than in the crystal lattice and at the same time more segregation sites.

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Primary Entity<\/h3>\n
<http:\/\/www.worldcat.org\/oclc\/1061274941<\/a>> # The contribution of the grain boundary engineering to the problem of intergranular hydrogen embrittlement<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nbgn:Thesis<\/a>, bgn:ComputerFile<\/a>, schema:CreativeWork<\/a>, schema:MediaObject<\/a> ;\u00A0\u00A0\u00A0\nbgn:inSupportOf<\/a> \"Th\u00E8se de doctorat : Science et g\u00E9nie des mat\u00E9riaux : La Rochelle : 2017.<\/span>\" ;\u00A0\u00A0\u00A0\nlibrary:oclcnum<\/a> \"1061274941<\/span>\" ;\u00A0\u00A0\u00A0\nlibrary:placeOfPublication<\/a> <http:\/\/id.loc.gov\/vocabulary\/countries\/fr<\/a>> ;\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/nickel<\/a>> ; # Nickel<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/contraintes_mecanique<\/a>> ; # Contraintes (m\u00E9canique)<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/lacunes<\/a>> ; # Lacunes<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/metaux_fragilisation_par_l_hydrogene<\/a>> ; # M\u00E9taux--Fragilisation par l\'hydrog\u00E8ne<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/joints_de_grains<\/a>> ; # Joints de grains<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/anisotropie<\/a>> ; # Anisotropie<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/hydrogene<\/a>> ; # Hydrog\u00E8ne<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/contraintes<\/a>> ; # Contraintes<\/span>\n\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/diffusion_anisotrope<\/a>> ; # Diffusion anisotrope<\/span>\n\u00A0\u00A0\u00A0\nschema:author<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/li_jiaqi_1988<\/a>> ; # Jiaqi Li<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Organization\/ecole_doctorale_sciences_et_ingenierie_des_materiaux_mecanique_energetique_et_aeronautique_poitiers_2009_2018<\/a>> ; # \u00C9cole doctorale Sciences et Ing\u00E9nierie des Mat\u00E9riaux, M\u00E9canique, Energ\u00E9tique et A\u00E9ronautique (Poitiers \/ 2009-2018).<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/perez_michel_1973_specialiste_des_materiaux<\/a>> ; # sp\u00E9cialiste des mat\u00E9riaux). Michel Perez<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Organization\/universite_de_la_rochelle<\/a>> ; # Universit\u00E9 de La Rochelle.<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/song_jun_19<\/a>> ; # Jun Song<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/doquet_veronique<\/a>> ; # V\u00E9ronique Doquet<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/charles_yann<\/a>> ; # Yann Charles<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/metsue_arnaud_1983<\/a>> ; # Arnaud Metsue<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Organization\/laboratoire_des_sciences_de_l_ingenieur_pour_l_environnement_la_rochelle<\/a>> ; # Laboratoire des Sciences de l\'Ing\u00E9nieur pour l\'Environnement (La Rochelle).<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/bouhattate_jamaa_19<\/a>> ; # Jamaa Bouhattate<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/feaugas_xavier_1966_chercheur_en_genie_mecanique<\/a>> ; # chercheur en g\u00E9nie m\u00E9canique). Xavier Feaugas<\/span>\n\u00A0\u00A0\u00A0\nschema:contributor<\/a> <http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/barnoush_afrooz_19<\/a>> ; # Afrooz Barnoush<\/span>\n\u00A0\u00A0\u00A0\nschema:datePublished<\/a> \"2017<\/span>\" ;\u00A0\u00A0\u00A0\nschema:description<\/a> \"The mobility of hydrogen in metals is a key parameter for understanding the basic mechanisms of hydrogen embrittlement (HE). This problem is directly related to the mechanisms of diffusion and trapping of hydrogen within a crystal lattice. These mechanisms depend on the various microstructural heterogeneities and in particular the crystalline defects. In our work, we have focused on the diffusion and trapping of hydrogen in two elementary systems: nickel single crystals and bi-crystals. We developed a methodology combining experimental tools (electrochemical permeation \/ TDS, HRTEM, EBSD) and numerical methods (FEM-COMSOL \/ EAM-LAMMPS). The results obtained on the single crystals show a dependence of the diffusion coefficient of hydrogen with the crystallographic orientation and the hydrogen content. The thermodynamic analysis of the nickel-hydrogen-vacancy system shows a dependence of the chemical potential of hydrogen with the stress state induced by the formation of clusters of vacancies associated with the presence of hydrogen. The anisotropic character of the diffusion is then explained by the anisotropy of the elastic properties of the crystal lattice and the presence of these clusters. Moreover, we have characterized the processes of diffusion and trapping of hydrogen for nickel bi-crystals with different free volumes. The segregation energy of hydrogen depends on the nature of the site (the local free volume and the mechanical energy associated with the incorporation of solute). The diffusion of hydrogen is directly influenced by the nature of the grain boundary (the free volume and the distribution of the segregation sites). Our results, at the atomic scale, show a correlation between the solubility and the free volume of the grain boundary. The grain boundaries with a higher free volume have more favorable diffusion paths for hydrogen than in the crystal lattice and at the same time more segregation sites.<\/span>\" ;\u00A0\u00A0\u00A0\nschema:description<\/a> \"La mobilit\u00E9 de l\'hydrog\u00E8ne dans les m\u00E9taux est un param\u00E8tre clef pour la compr\u00E9hension des m\u00E9canismes de base de la fragilisation par l\'hydrog\u00E8ne (FPH). Cette probl\u00E9matique est directement associ\u00E9e aux m\u00E9canismes de diffusion et de pi\u00E9geage de l\'hydrog\u00E8ne au sein d\'un r\u00E9seau cristallin. Ces derniers d\u00E9pendent des diverses h\u00E9t\u00E9rog\u00E9n\u00E9it\u00E9s microstructurales et en particulier des d\u00E9fauts cristallins pr\u00E9sents au sein du mat\u00E9riau. Dans le cadre de nos travaux nous nous sommes restreints \u00E0 \u00E9tudier la diffusion et le pi\u00E9geage de l\'hydrog\u00E8ne au sein de deux syst\u00E8mes \u00E9l\u00E9mentaires : des monocristaux et des bi-cristaux de nickel. Nous avons d\u00E9velopp\u00E9 une m\u00E9thodologie associant des outils exp\u00E9rimentaux (Perm\u00E9ation \u00E9lectrochimique\/TDS, METHR, EBSD) et num\u00E9riques (FEM-COMSOL\/EAM-LAMMPS). Les r\u00E9sultats obtenus sur monocristaux montrent une d\u00E9pendance du coefficient de diffusion de l\'hydrog\u00E8ne avec l\'orientation cristallographique et la teneur en hydrog\u00E8ne. L\'analyse thermodynamique du syst\u00E8me nickel-hydrog\u00E8ne-lacune d\u00E9montre une d\u00E9pendance du potentiel chimique de l\'hydrog\u00E8ne \u00E0 l\'\u00E9tat de contrainte induit par la formation d\'amas de lacunes associ\u00E9s \u00E0 la pr\u00E9sence de l\'hydrog\u00E8ne. Le caract\u00E8re anisotrope de la diffusion est alors expliqu\u00E9 par l\'anisotropie des propri\u00E9t\u00E9s d\'\u00E9lasticit\u00E9 du r\u00E9seau cristallin et la pr\u00E9sence de ces amas. D\'autre part nous avons caract\u00E9ris\u00E9 les processus de diffusion et de pi\u00E9geage de l\'hydrog\u00E8ne pour des bi-cristaux de nickel pr\u00E9sentant diff\u00E9rents volumes libres. L\'\u00E9nergie de s\u00E9gr\u00E9gation de l\'hydrog\u00E8ne d\u00E9pend de la nature du site (volume libre local et \u00E9nergie m\u00E9canique associ\u00E9e \u00E0 l\'incorporation du solut\u00E9). La diffusion de l\'hydrog\u00E8ne est influenc\u00E9e directement par la nature de joint de grain (exc\u00E8s de volume et distribution des sites). Nos r\u00E9sultats, \u00E0 l\'\u00E9chelle atomique, montrent une corr\u00E9lation entre la solubilit\u00E9 et le volume libre du joint de grain. Les joints de grains avec un volume libre important pr\u00E9sentent des chemins de diffusion plus favorables pour l\'hydrog\u00E8ne que dans le r\u00E9seau cristallin et dans le m\u00EAme temps un nombre plus important de sites de s\u00E9gr\u00E9gation.<\/span>\" ;\u00A0\u00A0\u00A0\nschema:exampleOfWork<\/a> <http:\/\/worldcat.org\/entity\/work\/id\/5529799546<\/a>> ;\u00A0\u00A0\u00A0\nschema:genre<\/a> \"Th\u00E8ses et \u00E9crits acad\u00E9miques<\/span>\" ;\u00A0\u00A0\u00A0\nschema:inLanguage<\/a> \"en<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"The contribution of the grain boundary engineering to the problem of intergranular hydrogen embrittlement<\/span>\" ;\u00A0\u00A0\u00A0\nschema:productID<\/a> \"1061274941<\/span>\" ;\u00A0\u00A0\u00A0\nschema:url<\/a> <http:\/\/www.theses.fr\/2017LAROS037\/document<\/a>> ;\u00A0\u00A0\u00A0\nschema:url<\/a> <https:\/\/tel.archives-ouvertes.fr\/tel-01941726<\/a>> ;\u00A0\u00A0\u00A0\nwdrs:describedby<\/a> <http:\/\/www.worldcat.org\/title\/-\/oclc\/1061274941<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

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<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/feaugas_xavier_1966_chercheur_en_genie_mecanique<\/a>> # chercheur en g\u00E9nie m\u00E9canique). Xavier Feaugas<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"1966<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \";<\/span>\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Feaugas<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Xavier<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"chercheur en g\u00E9nie m\u00E9canique). Xavier Feaugas<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/li_jiaqi_1988<\/a>> # Jiaqi Li<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"1988<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \"\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Li<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Jiaqi<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Jiaqi Li<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/metsue_arnaud_1983<\/a>> # Arnaud Metsue<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"1983<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \"\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Metsue<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Arnaud<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Arnaud Metsue<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/perez_michel_1973_specialiste_des_materiaux<\/a>> # sp\u00E9cialiste des mat\u00E9riaux). Michel Perez<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"1973<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \";<\/span>\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Perez<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Michel<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"sp\u00E9cialiste des mat\u00E9riaux). Michel Perez<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Person\/song_jun_19<\/a>> # Jun Song<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Person<\/a> ;\u00A0\u00A0\u00A0\nschema:birthDate<\/a> \"19..<\/span>\" ;\u00A0\u00A0\u00A0\nschema:deathDate<\/a> \"\" ;\u00A0\u00A0\u00A0\nschema:familyName<\/a> \"Song<\/span>\" ;\u00A0\u00A0\u00A0\nschema:givenName<\/a> \"Jun<\/span>\" ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Jun Song<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/contraintes<\/a>> # Contraintes<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Contraintes<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/diffusion_anisotrope<\/a>> # Diffusion anisotrope<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Diffusion anisotrope<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/hydrogene<\/a>> # Hydrog\u00E8ne<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Hydrog\u00E8ne<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/lacunes<\/a>> # Lacunes<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Lacunes<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Thing\/nickel<\/a>> # Nickel<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Thing<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Nickel<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/anisotropie<\/a>> # Anisotropie<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Anisotropie<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/contraintes_mecanique<\/a>> # Contraintes (m\u00E9canique)<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Contraintes (m\u00E9canique)<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/joints_de_grains<\/a>> # Joints de grains<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"Joints de grains<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/experiment.worldcat.org\/entity\/work\/data\/5529799546#Topic\/metaux_fragilisation_par_l_hydrogene<\/a>> # M\u00E9taux--Fragilisation par l\'hydrog\u00E8ne<\/span>\n\u00A0\u00A0\u00A0\u00A0a \nschema:Intangible<\/a> ;\u00A0\u00A0\u00A0\nschema:name<\/a> \"M\u00E9taux--Fragilisation par l\'hydrog\u00E8ne<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/id.loc.gov\/vocabulary\/countries\/fr<\/a>>\u00A0\u00A0\u00A0\u00A0a \nschema:Place<\/a> ;\u00A0\u00A0\u00A0\ndcterms:identifier<\/a> \"fr<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.theses.fr\/2017LAROS037\/document<\/a>>\u00A0\u00A0\u00A0\nrdfs:comment<\/a> \"Acc\u00E8s au texte int\u00E9gral<\/span>\" ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n
<http:\/\/www.worldcat.org\/title\/-\/oclc\/1061274941<\/a>>\u00A0\u00A0\u00A0\u00A0a \ngenont:InformationResource<\/a>, genont:ContentTypeGenericResource<\/a> ;\u00A0\u00A0\u00A0\nschema:about<\/a> <http:\/\/www.worldcat.org\/oclc\/1061274941<\/a>> ; # The contribution of the grain boundary engineering to the problem of intergranular hydrogen embrittlement<\/span>\n\u00A0\u00A0\u00A0\nschema:dateModified<\/a> \"2020-04-20<\/span>\" ;\u00A0\u00A0\u00A0\nvoid:inDataset<\/a> <http:\/\/purl.oclc.org\/dataset\/WorldCat<\/a>> ;\u00A0\u00A0\u00A0\u00A0.\n\n\n<\/div>\n\n

Content-negotiable representations<\/p>\n