What are the uses and applications of zirconium?
Zirconium (Zirconium) is a metallic element with the symbol Zr. It is located in Group IV-B of the periodic table, with an atomic number of 40, a density of 6.49 g/cm³, a melting point of 1852°C, and a boiling point of 4377°C. Zirconium is a silvery-white transition metal. Due to its complex production process and difficulty in extraction, it is often referred to as a "rare metal." In fact, zirconium accounts for approximately 0.025% of the Earth's crust, ranking 19th, almost equal to chromium and more abundant than the common metals copper, lead, nickel, and zinc, though its distribution is very dispersed. Zirconium readily forms a lustrous oxide film on its surface in air, resembling steel in appearance.
Zirconium is corrosion-resistant but soluble in hydrofluoric acid and aqua regia. At high temperatures, it reacts with many elements to form solid solution compounds. Its corrosion resistance is superior to titanium and similar to that of tantalum and niobium. Due to its excellent plasticity, zirconium is often processed into plates, wires, and other materials. Zirconium absorbs large quantities of gases such as oxygen, hydrogen, and nitrogen when heated, making it suitable for use as a hydrogen storage material. Despite being a relatively scarce resource, zirconium is widely used in electronics, ceramics, glass, petrochemicals, building materials, medicine, textiles, and daily necessities. Australia and South Africa are concentrated sources of zirconium, while China and Europe are the main consumers.
Since ancient times, zirconium, due to its rich and varied colors, has been prized as a gemstone and played a decorative role in human life. As people's understanding of zirconium deepens, its applications are becoming increasingly widespread. While most people may be unfamiliar with zirconium, it has become a pervasive element in every aspect of our lives. For example, zirconium is found in various buildings, essential ceramics, knives, decorative items, and even in the military and nuclear power sectors.
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