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Non-oriented electrical silicon steel (image made with magneto-optical sensor and polarizer microscope) Electrical steel made without special processing to control crystal orientation, non-oriented steel, usually has a silicon level of 2 to 3.5% and has similar magnetic properties in all directions, i.e., it is isotropic.
The typical material is an alloy of iron with boron, silicon, and phosphorus in the form of thin (e.g. 25 μm) foils rapidly cooled from melt. These materials have high magnetic susceptibility, very low coercivity and high electrical resistance.
AA-8000: used for electrical building wire in the U.S. per the National Electrical Code, ... Silicon steel ; Spring steel; Stainless steel (chromium, nickel) AL-6XN;
Alloys of boron, silicon, phosphorus, and other glass formers with magnetic metals (iron, cobalt, nickel) have high magnetic susceptibility, with low coercivity and high electrical resistance. Usually the electrical conductivity of a metallic glass is of the same low order of magnitude as of a molten metal just above the melting point.
Silicon is an important alloying addition in metallurgy, particularly for a range of aluminium-silicon alloys, even though it only forms a minor proportion of the alloy. In semiconductor manufacture, particularly for microelectronics, silicon may be the dominant component of an alloy with other semiconductors or metals.
A compound semiconductor is a semiconductor compound composed of chemical elements of at least two different species. These semiconductors form for example in periodic table groups 13–15 (old groups III–V), for example of elements from the Boron group (old group III, boron, aluminium, gallium, indium) and from group 15 (old group V, nitrogen, phosphorus, arsenic, antimony, bismuth).
Sir Robert Abbott Hadfield, 1st Baronet FRS [1] (28 November 1858 in Sheffield – 30 September 1940 in Surrey) was an English metallurgist, noted for his 1882 discovery of manganese steel, one of the first steel alloys. He also invented silicon steel, initially for mechanical properties (patents in 1886) which have made the alloy a material of ...
However, cores made from amorphous metal have a stacking factor of around 0.8, compared to 0.96 for silicon steel. [1] A related concept in transformer design is window space factor. This is defined as the ratio of the area occupied by the copper windings to the area of the space they pass through (the "window").