Chemistry:Iron powder
Iron powder has several uses; for example production of magnetic alloys and certain types of steels.[1]
Iron powder is formed as a whole from several other iron particles. The particle sizes vary anywhere from 20-200 μm. The iron properties differ depending on the production method and history of a specific iron powder. There are three types of iron powder classifications: reduced iron powder, atomized powder,[2] and electrolytic iron powder. Each type is used in various applications depending on their properties. There is very little difference in the visual appearances of reduced iron powder and atomized iron powder.[3]
Applications
Automobiles
Most iron powders are used for automobile parts.
Engine parts
- Cam shaft pulley
- Cam shaft sprocket
- Crank shaft pulley
- Crank shaft sprocket
- Cap crank bearing
- Valve guide
- Valve seat
- Rocker arm chip
- Oil pump inner rotor
- Oil pump outer rotor[4]
Steering parts, suspension, and brake parts
- Power steering rotor cam ring
- Pressure plate
- Rack guide
- Shock absorber
- Ball joint
- ABS sensor[4]
Seats and door parts
- Seat lifter cam set
- Door mirror plate clutch
- Striker
- Slider[4]
Transmission parts
- M/T Synchronizer hub
- A/T Hub clutch
- Synchronizer ring
- Retaining plate
- Synchronizer key
- Pressure plate
- Shift fork
- Turbine hub
- Weight governor
- Cam stater T. C.
- Outer race[4]
Additive manufacturing
Iron powders are increasingly used as feedstock in metal additive manufacturing processes. In binder jetting, fine iron powder is selectively bonded with a liquid binder and subsequently sintered to produce complex near-net-shape parts with properties comparable to conventional powder metallurgy components.[5] Gas-atomized spherical iron alloy powders, including stainless steel grades such as 316L and 17-4 PH, are also widely employed in laser powder bed fusion for tooling, structural, and medical applications.[6]
Other
Iron powder is also used for the following:
- Bearings and filter parts
- Machine parts
- Hand Warmers
- High strength/wear-resistant parts
- Magnetic materials
- Friction parts (mainly automobile parts)[4]
- As a metal energy carrier[7][8]
- Oxygen scavengers – can be in small pouches separate from food or directly added to food, in which case it also serves as food fortification[13]
External links
See also
References
- ↑ A.K. Gaiduchenko, S.G. Napara-Volgina (1995), "Development of iron powder metallurgy", Powder Metallurgy and Metal Ceramics 34 (7–8): 424–428, doi:10.1007/BF00559435
- ↑ By spraying high-pressure water against liquid iron.
- ↑ "What is iron powder?". JFE Steel Corporation. http://www.jfe-steel.co.jp/en/products/ironpowders/about.html. Retrieved 8 January 2014.
- ↑ 4.0 4.1 4.2 4.3 4.4 "Applications of Iron Powder". JFE Steel Corporation. http://www.jfe-steel.co.jp/en/products/ironpowders/youto.html. Retrieved 8 January 2014.
- ↑ Mostafaei, A.; Elliott, A.M.; Barnes, J.E.; Li, F.; Tan, W.; Cramer, C.L.; Nandwana, P.; Chmielus, M. (2021). "Binder jet 3D printing—Process parameters, materials, properties, modeling, and challenges". Progress in Materials Science 119. doi:10.1016/j.pmatsci.2020.100707. Bibcode: 2021PrMS..11900707M.
- ↑ Herzog, D.; Seyda, V.; Wycisk, E.; Emmelmann, C. (2016). "Additive manufacturing of metals". Acta Materialia 117: 371–392. doi:10.1016/j.actamat.2016.07.019. Bibcode: 2016AcMat.117..371H.
- ↑ Bergthorson, Jeffrey M. (2018). "Recyclable metal fuels for clean and compact zero-carbon power". Progress in Energy and Combustion Science 68: 169–196. doi:10.1016/j.pecs.2018.05.001. Bibcode: 2018PECS...68..169B.
- ↑ Metalot - The Potential of Iron Power
- ↑ DNV - Securing green hydrogen for the German power sector
- ↑ Team SOLID
- ↑ Interesting Engineering - Sustainable Iron Powder to Brew Beer, a World First Technology
- ↑ National Geographic Magazine, nr 12, 2018
- ↑ Shah, Bhagwan G.; Giroux, Alexandre; Belonje, Bartholomeus (1977). "Specifications for reduced iron as a food additive". Journal of Agricultural and Food Chemistry 25 (3): 592–594. doi:10.1021/jf60211a044. PMID 858856. Bibcode: 1977JAFC...25..592S. https://doi.org/10.1021/jf60211a044.
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