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Cobalt is a silver-white metal with a slight bluish tint. In its pure form, it is brittle and hard. However, when added to other materials it becomes alloyed. This confers on the resulting materials properties such as magnetism, strength at high temperatures, and corrosion resistance. In addition, alloying allows additional beneficial properties to be imparted to specific applications, such as high wear resistance or bio-compatibility. Examples of alloys are stainless steel (e.g., AlNiCo and SS316), Stellite (containing chromium, molybdenum, and carbon to increase corrosion resistance), and Hastelloy C276, which is used in environments with very high cavitation and erosion rates.
The leading use of cobalt is in rechargeable batteries. It is also used in the manufacture of superalloys for parts in gas turbine aircraft engines, wear-resistant alloys such as cemented carbides and diamond tools, magnets (AlNiCo and samarium cobalt), and high-speed steels. Additionally, it is used to produce radioactive isotopes for medical treatments and in vitamin B12 (alias cobalamin), which has special effects on hematopoiesis.
American Elements offers a wide range of cobalt aluminum in various forms such as bar, ingot, ribbon, wire, shot, and sheet. Alloys can be produced to a variety of standards including Mil Spec; ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; and USP and EP/BP. Cobalt is also available in nanoscale powder and ultra-high purity forms for chemical vapor deposition and physical vapor deposition applications. Structural, morphological, elemental, and particle size characterizations can be performed using techniques such as X-ray diffraction, scanning electron microscopy (SEM), energy dispersing spectroscopy (EDX), and transmission electron microscopy (TEM). Store in a cool dry place.