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This oxidized zirconium alloy material provides the beneficial surface properties of a ceramic (reduced friction and increased abrasion resistance), while retaining the beneficial bulk properties of the underlying metal (manufacturability, fracture toughness, and ductility), providing a good solution for these medical implant applications.
Zirconium dioxide (ZrO 2), sometimes known as zirconia (not to be confused with zirconium silicate or zircon), is a white crystalline oxide of zirconium.Its most naturally occurring form, with a monoclinic crystalline structure, is the mineral baddeleyite.
Zirconium is a chemical element; it has symbol Zr and atomic number 40. First identified in 1789, isolated in impure form in 1824, and manufactured at scale by 1925, pure zirconium is a lustrous transition metal with a greyish-white color that closely resembles hafnium and, to a lesser extent, titanium.
Zircon (/ ˈ z ɜːr k ɒ n,-k ən /) [7] [8] [9] is a mineral belonging to the group of nesosilicates and is a source of the metal zirconium. Its chemical name is zirconium(IV) silicate, and its corresponding chemical formula is Zr SiO 4. An empirical formula showing some of the range of substitution in zircon is (Zr 1–y, REE y)(SiO 4) 1–x ...
Zirconium (IV) hydroxide, often called hydrous zirconia is an ill-defined material or family of materials variously described as ZrO 2 ·nH 2 O and Zr(OH) 4 ·nH 2 O. All are white solids with low solubility in water. These materials are widely employed in the preparation of solid acid catalysts. [2] [3]
Potassium hexafluorozirconate is used as an intermediate product in the electrolytic production of metallic zirconium. It is also used as a flame retardant for wool, [ 5 ] grain refining agent in magnesium and aluminum alloys, welding flux, and optical glass component.
Zirconium(II) hydride has a dihedral (C 2v) structure. In zirconium(II) hydride, the formal oxidation states of zirconium and hydrogen are +2 and −1, respectively, because the electronegativity of zirconium is lower than that of hydrogen. The stability of metal hydrides with the formula MH 2 (M = Ti, Zr, Hf) decreases from Ti to Hf.
Zirconium disilicide is an inorganic chemical compound with the chemical formula ZrSi 2, consisting of zirconium and silicon atoms. It is a ceramic , but not very hard and very brittle . [ 2 ]