A body-centered cubic (BCC) structure is a type of crystal lattice arrangement found in some metals and alloys. In this structure, one atom is located at each of the eight corners of a cube, with a single atom positioned at the center of the cube. This arrangement allows for efficient packing of atoms and contributes to the material's properties. BCC structures are commonly observed in metals like iron, chromium, and tungsten. The unique arrangement of atoms in BCC contributes to specific mechanical properties, such as strength and ductility, making these materials suitable for various industrial applications.