- D9E Neodymium Magnets, 9/16" dia. x 7/8" thick
- B884-N52 Neodymium Magnets, 1/2" x 1/2" x 1/4" thick
- B334 Neodymium Magnets, 3/16" x 3/16" x 1/4" thick
- BC6C Neodymium Magnets, 3/4" x 3/8" x 3/4" thick
- R622 Neodymium Magnets, 3/8" od x 1/8" id x 1/8" thick
- BY061 Neodymium Magnets, 2" x 3/8" x 1/16" thick
- DX0X0 Neodymium Magnets, 1" dia. x 1" thick
- DX03-N52 Neodymium Magnets, 1" dia. x 3/16" thick
- SBX0X06-IN Neodymium Magnets, 1" length x 1" width x 3/8" thick, with step IN
- DZ0X0 Neodymium Magnets, 3" dia. x 1" thick
- MM-D-48 Metric Mounting Magnets
- Rectangular Permanent Magnetic Chuck
- Neodymium Magnets
- What are Rare Earth Magnets?
- Neodymium Block & Bar Magnets Table
- Specifications of Neodymium Magnets
- Neodymium Magnets Coating
- Glossary of Magnet Terminology
- Strength of Neodymium Magnets
- Neodymium Cylinder Magnets Table
- Neodymium Magnets Applications
- Neodymium Magnets Production
- Neodymium Ring & Tube Magnets Table
- Magnetization Direction For Neodymium Magnets
What are AlNiCo Magnets?
AlNiCo is an acronym referring to a family of iron alloys which in addition to iron are composed primarily of aluminium (Al), nickel (Ni) and cobalt (Co), hence al-ni-co. They also include copper, and sometimes titanium. Alnico alloys are ferromagnetic, with a high coercivity (resistance to loss of magnetism) and are used to make permanent magnets. Before the development of rare earth magnets in the 1970s, they were the strongest type of magnet.
The composition of alnico alloys is typically 8-12% Al, 15-26% Ni, 5-24% Co, up to 6% Cu, up to 1% Ti, and the balance is Fe. The development of alnico began in 1931, when T. Mishima in Japan discovered that an alloy of iron, nickel, and aluminum had a coercivity of 400 oersted (Oe; 32 kA/m), double that of the best magnet steels of the time.
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