Matches in SemOpenAlex for { <https://semopenalex.org/work/W2080750603> ?p ?o ?g. }
Showing items 1 to 84 of
84
with 100 items per page.
- W2080750603 endingPage "302" @default.
- W2080750603 startingPage "293" @default.
- W2080750603 abstract "Microstructural Transmission Electron Microscopy investigations are performed on fine grained magnesium and yttrium codoped aluminas deformed by compression and tension. Striking differences with aluminas doped with only magnesium occur in GB characteristics and intragranular phenomena: the number of “special” near-coincidence GBs is small and GB planes present a tendency to align parallel to the basal plane, a characteristic of non Mg-doped aluminas. The microstructure after deformation presents evidence of plastic deformation: Isolated dislocations occur in “general” GBs and adjacent grains present basal slip and basal microtwins. The lattice defects are much more numerous after tension than after compression. These observations account for a strengthening role of yttrium in the dislocation accomodation processes in the grain boundaries, resulting in high local stress concentrations, and are in agreement with the main modifications of the macroscopic behavior when yttrium is added. Nous avons analysé par Microscopie électronique en transmission l'influence de l'yttrium sur la microstructure et la deformation à haute température d'alumines à grains fins dopées à la magnésie. L'yttrium, fortement ségrégé aux joints, modifie les caractéristiques des joints de grains et celles des défauts en matrice en comparaison avec les alumines dopées à la magnésie seule: le nombre de joints de proche coïncidence est faible et les plans de joints présentent une tendance à s'aligner parallèlement au plan basal. Le fluage par compression entraîne une déformation plastique importante, plus marquée après tension qu'après compression: Des dislocations isolées apparaissent dans des joints généraux et les grains présentent du glissement basal et des micromacles basales. Ces observations s'interprètent par un rôle durcissant de l'yttrium sur les processus d'accomodation des dislocations extrinsèques aux joints de grains, et sont en accord avec les principales modifications du comportement macroscopique en fluage de l'alumine en présence d'yttrium." @default.
- W2080750603 created "2016-06-24" @default.
- W2080750603 creator A5016935392 @default.
- W2080750603 creator A5068705502 @default.
- W2080750603 date "1994-01-01" @default.
- W2080750603 modified "2023-10-01" @default.
- W2080750603 title "Grain boundary behavior in superplastic Mg-doped alumina with yttria codoping" @default.
- W2080750603 cites W1965322834 @default.
- W2080750603 cites W1977297481 @default.
- W2080750603 cites W1987058857 @default.
- W2080750603 cites W2001887032 @default.
- W2080750603 cites W2008313319 @default.
- W2080750603 cites W2042126892 @default.
- W2080750603 cites W2043077875 @default.
- W2080750603 cites W2043773636 @default.
- W2080750603 cites W2061814345 @default.
- W2080750603 cites W2076456637 @default.
- W2080750603 cites W2085415027 @default.
- W2080750603 cites W2086394551 @default.
- W2080750603 cites W2094126365 @default.
- W2080750603 cites W2096931208 @default.
- W2080750603 cites W2106830486 @default.
- W2080750603 cites W2124420413 @default.
- W2080750603 cites W2167773267 @default.
- W2080750603 doi "https://doi.org/10.1016/0956-7151(94)90071-x" @default.
- W2080750603 hasPublicationYear "1994" @default.
- W2080750603 type Work @default.
- W2080750603 sameAs 2080750603 @default.
- W2080750603 citedByCount "48" @default.
- W2080750603 countsByYear W20807506032012 @default.
- W2080750603 countsByYear W20807506032013 @default.
- W2080750603 countsByYear W20807506032014 @default.
- W2080750603 countsByYear W20807506032016 @default.
- W2080750603 countsByYear W20807506032018 @default.
- W2080750603 crossrefType "journal-article" @default.
- W2080750603 hasAuthorship W2080750603A5016935392 @default.
- W2080750603 hasAuthorship W2080750603A5068705502 @default.
- W2080750603 hasConcept C121332964 @default.
- W2080750603 hasConcept C159122135 @default.
- W2080750603 hasConcept C159985019 @default.
- W2080750603 hasConcept C185592680 @default.
- W2080750603 hasConcept C191897082 @default.
- W2080750603 hasConcept C192562407 @default.
- W2080750603 hasConcept C195268267 @default.
- W2080750603 hasConcept C199289684 @default.
- W2080750603 hasConcept C2779851234 @default.
- W2080750603 hasConcept C47908070 @default.
- W2080750603 hasConcept C531131001 @default.
- W2080750603 hasConcept C87976508 @default.
- W2080750603 hasConcept C97355855 @default.
- W2080750603 hasConceptScore W2080750603C121332964 @default.
- W2080750603 hasConceptScore W2080750603C159122135 @default.
- W2080750603 hasConceptScore W2080750603C159985019 @default.
- W2080750603 hasConceptScore W2080750603C185592680 @default.
- W2080750603 hasConceptScore W2080750603C191897082 @default.
- W2080750603 hasConceptScore W2080750603C192562407 @default.
- W2080750603 hasConceptScore W2080750603C195268267 @default.
- W2080750603 hasConceptScore W2080750603C199289684 @default.
- W2080750603 hasConceptScore W2080750603C2779851234 @default.
- W2080750603 hasConceptScore W2080750603C47908070 @default.
- W2080750603 hasConceptScore W2080750603C531131001 @default.
- W2080750603 hasConceptScore W2080750603C87976508 @default.
- W2080750603 hasConceptScore W2080750603C97355855 @default.
- W2080750603 hasIssue "1" @default.
- W2080750603 hasLocation W20807506031 @default.
- W2080750603 hasOpenAccess W2080750603 @default.
- W2080750603 hasPrimaryLocation W20807506031 @default.
- W2080750603 hasRelatedWork W1972254111 @default.
- W2080750603 hasRelatedWork W2033451903 @default.
- W2080750603 hasRelatedWork W2053623882 @default.
- W2080750603 hasRelatedWork W2063388647 @default.
- W2080750603 hasRelatedWork W2353409022 @default.
- W2080750603 hasRelatedWork W2391741758 @default.
- W2080750603 hasRelatedWork W2491222380 @default.
- W2080750603 hasRelatedWork W2560769865 @default.
- W2080750603 hasRelatedWork W2883324369 @default.
- W2080750603 hasRelatedWork W3015963878 @default.
- W2080750603 hasVolume "42" @default.
- W2080750603 isParatext "false" @default.
- W2080750603 isRetracted "false" @default.
- W2080750603 magId "2080750603" @default.
- W2080750603 workType "article" @default.