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- Scandium_hydride abstract "Scandium hydride, also known as scandium–hydrogen alloy, is an alloy made by combining scandium and hydrogen. Hydrogen acts as a hardening agent, preventing dislocations in the scandium atom crystal lattice from sliding past one another. Varying the amount of hydrogen controls qualities such as the hardness of the resulting scandium hydride. Scandium hydride with increased hydrogen content can be made harder than scandium.It can be formed by progressive hydrogenation of scandium foil with hydrogen.In the narrow range of concentrations which make up scandium hydride, mixtures of hydrogen and scandium can form two different structures. At room temperature, the most stable form of scandium is the hexagonal close-packed (HCP) structure α-scandium. It is a fairly soft metallic material that can dissolve a moderate concentration of hydrogen, no more than 0.89 wt% at 22 °C. If scandium hydride contains more than 0.89% hydrogen at room temperature then it transforms into a face-centred cubic (FCC) structure, the δ-phase. It can dissolve considerably more hydrogen, as much as 4.29%, which reflects the upper hydrogen content of scandium hydride.Research indicates the existence of a third phase created under extreme conditions termed the η-phase. This phase can dissolve as much as 6.30% hydrogen.Concentration dependent activation-energies are observed for hydrogen diffusion in scandium metal.".
- Scandium_hydride wikiPageID "37046616".
- Scandium_hydride wikiPageLength "2317".
- Scandium_hydride wikiPageOutDegree "14".
- Scandium_hydride wikiPageRevisionID "693480672".
- Scandium_hydride wikiPageWikiLink Alloy.
- Scandium_hydride wikiPageWikiLink Category:Reducing_agents.
- Scandium_hydride wikiPageWikiLink Category:Scandium_compounds.
- Scandium_hydride wikiPageWikiLink Chemical_compound.
- Scandium_hydride wikiPageWikiLink Crystal_structure.
- Scandium_hydride wikiPageWikiLink Cubic_crystal_system.
- Scandium_hydride wikiPageWikiLink Dislocation.
- Scandium_hydride wikiPageWikiLink Hardness.
- Scandium_hydride wikiPageWikiLink Hexagonal_crystal_system.
- Scandium_hydride wikiPageWikiLink Hydrogen.
- Scandium_hydride wikiPageWikiLink Room_temperature.
- Scandium_hydride wikiPageWikiLink Scandium.
- Scandium_hydride wikiPageWikiLinkText "Scandium hydride".
- Scandium_hydride wikiPageUsesTemplate Template:About.
- Scandium_hydride wikiPageUsesTemplate Template:Reflist.
- Scandium_hydride subject Category:Reducing_agents.
- Scandium_hydride subject Category:Scandium_compounds.
- Scandium_hydride hypernym Alloy.
- Scandium_hydride type Mineral.
- Scandium_hydride comment "Scandium hydride, also known as scandium–hydrogen alloy, is an alloy made by combining scandium and hydrogen. Hydrogen acts as a hardening agent, preventing dislocations in the scandium atom crystal lattice from sliding past one another. Varying the amount of hydrogen controls qualities such as the hardness of the resulting scandium hydride.".
- Scandium_hydride label "Scandium hydride".
- Scandium_hydride sameAs Q17125970.
- Scandium_hydride sameAs m.0x24jx8.
- Scandium_hydride sameAs Q17125970.
- Scandium_hydride wasDerivedFrom Scandium_hydride?oldid=693480672.
- Scandium_hydride isPrimaryTopicOf Scandium_hydride.