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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 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]
Zirconium silicates have also been studied for potential use in medical applications. For example, ZS-9 is a zirconium silicate that was designed specifically to trap potassium ions over other ions throughout the gastrointestinal tract. [4] Zirconium silicate is also used as foundry sands due to its high thermal stability.
Zirconium acetate usually refers to the chemical formula Zr 6 O 4 (OH) 4 (O 2 CCH 3) 12. It forms by the reaction of zirconyl chloride and acetate. Claims of Zr(O 2 CCH 3) 4 [1] have been superseded by experiments using X-ray crystallography. [2] The species Zr 6 O 4 (OH) 4 (O 2 CCH 3) 12 is a common precursor to metal-organic frameworks (MOFs ...