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- Nickel_hydride abstract "Nickel hydride describes an alloy made by combining nickel and hydrogen. Hydrogen's content in nickel hydride is up to 0.002% by weight.Hydrogen acts as a hardening agent, preventing dislocations in the nickel atom crystal lattice from sliding past one another. Varying the amount of alloying hydrogen and the form of its presence in the nickel hydride (precipitated phase) controls qualities such as the hardness, ductility, and tensile strength of the resulting nickel hydride. Nickel hydride with increased hydrogen content can be made harder and stronger than nickel, but such nickel hydride is also less ductile than nickel. Loss of ductility occurs due to cracks maintaining sharp points due to suppression of elastic deformation by the hydrogen, and voids forming under tension due to decomposition of the hydride. Hydrogen embrittlement can be a problem in nickel in use in turbines at high temperatures.In the narrow range of concentrations that make up nickel hydride, mixtures of hydrogen and nickel can only form a few different structures, with very different properties. Understanding such properties is essential to making quality nickel hydride. At room temperature, the most stable form of nickel is the face-centred cubic (FCC) structure α-nickel. It is a fairly soft metallic material that can dissolve only a very small concentration of hydrogen, no more than 0.002 wt% at 1,455 °C (2,651 °F), and only 0.00005% at 25 °C (77 °F). The solid solution phase with dissolved hydrogen, that maintains the same crystal structure as the original nickel is termed the α-phase. At 25°C 6kbar of hydrogen pressure is needed to dissolve in b=nickel, but the hydrogen will come back out of solution if the pressure drops below 3.4 kbar.".
- Nickel_hydride wikiPageID "265986".
- Nickel_hydride wikiPageLength "6483".
- Nickel_hydride wikiPageOutDegree "18".
- Nickel_hydride wikiPageRevisionID "678462010".
- Nickel_hydride wikiPageWikiLink Alloy.
- Nickel_hydride wikiPageWikiLink Category:Metal_hydrides.
- Nickel_hydride wikiPageWikiLink Category:Nickel_alloys.
- Nickel_hydride wikiPageWikiLink Crystal_structure.
- Nickel_hydride wikiPageWikiLink Cubic_crystal_system.
- Nickel_hydride wikiPageWikiLink Dislocation.
- Nickel_hydride wikiPageWikiLink Ductility.
- Nickel_hydride wikiPageWikiLink Hardness.
- Nickel_hydride wikiPageWikiLink Hydrogen.
- Nickel_hydride wikiPageWikiLink Lattice_energy.
- Nickel_hydride wikiPageWikiLink Nickel.
- Nickel_hydride wikiPageWikiLink Room_temperature.
- Nickel_hydride wikiPageWikiLink Solid_solution.
- Nickel_hydride wikiPageWikiLink Sulfuric_acid.
- Nickel_hydride wikiPageWikiLink Thiourea.
- Nickel_hydride wikiPageWikiLink Ultimate_tensile_strength.
- Nickel_hydride wikiPageWikiLinkText "Nickel hydride".
- Nickel_hydride wikiPageWikiLinkText "nickel hydride".
- Nickel_hydride wikiPageUsesTemplate Template:Convert.
- Nickel_hydride wikiPageUsesTemplate Template:Reflist.
- Nickel_hydride subject Category:Metal_hydrides.
- Nickel_hydride subject Category:Nickel_alloys.
- Nickel_hydride type Hydride.
- Nickel_hydride comment "Nickel hydride describes an alloy made by combining nickel and hydrogen. Hydrogen's content in nickel hydride is up to 0.002% by weight.Hydrogen acts as a hardening agent, preventing dislocations in the nickel atom crystal lattice from sliding past one another. Varying the amount of alloying hydrogen and the form of its presence in the nickel hydride (precipitated phase) controls qualities such as the hardness, ductility, and tensile strength of the resulting nickel hydride.".
- Nickel_hydride label "Nickel hydride".
- Nickel_hydride sameAs Q17104845.
- Nickel_hydride sameAs Hydrure_de_nickel.
- Nickel_hydride sameAs m.0r3t7r1.
- Nickel_hydride sameAs Q17104845.
- Nickel_hydride wasDerivedFrom Nickel_hydride?oldid=678462010.
- Nickel_hydride isPrimaryTopicOf Nickel_hydride.