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Iron meteorites are very often formed from a single crystal of iron-nickel alloy, or sometimes a number of large crystals that may be many meters in size, and often lack any discernable crystal boundary on the surface. Large crystals are extremely rare in metals, and in meteors they occur from extremely slow cooling from a molten state in the ...
Turner entered the initial competition for designs for the London International Exhibition of 1851 and out of 233 entries was jointly awarded the second prize along with an entry by Hector Horeau. The final built design was "The Crystal Palace" by Joseph Paxton. [5] Turner's Curvilinear Range of glasshouses at the Irish National Botanic Gardens
Below 912 °C (1,674 °F), iron has a body-centered cubic (bcc) crystal structure and is known as α-iron or ferrite.It is thermodynamically stable and a fairly soft metal. α-Fe can be subjected to pressures up to ca. 15 GPa before transforming into a high-pressure form termed ε-Fe discussed below.
Octahedrites derive their name from the crystal structure paralleling an octahedron. Opposite faces are parallel so, although an octahedron has 8 faces, there are only 4 sets of kamacite plates. Due to a long cooling time in the interior of the parent asteroids , these alloys have crystallized into intermixed millimeter-sized bands (from about ...
Iron is a chemical element; ... This effect is exploited in devices that need to channel magnetic fields to fulfill design function, ... single-crystal iron 10 3
The design of crystal structures with desired properties is the ultimate goal of crystal engineering. Crystal engineering principles have been applied to the design of non-linear optical materials, especially those with second harmonic generation (SHG) properties. Using supramolecular synthons, supramolecular gels have been designed. [19] [20]