WM5, a resistive magnet belonging to the Chinese Academy of Sciences (CAS) High Magnetic Field Laboratory (HMFL) in Hefei, Anhui Province, sets a new magnetic field world record on April 23. The magnet, with a 50mm working bore, achieved 35.01 Tesla with input of 24MW/36,820A direct current.
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| Experiment site in cell 5 of facilities hall of High Magnetic Field Laboratory (Image by HMFL) |
High magnetic fields are very important to multidisciplinary research. The strongest magnetic field used to be less than 20 Tesla due to limitations of superconducting materials used in the magnets. Obtaining higher magnetic field strength has relied on the development of resistive magnets.
The Steady High Magnetic Field Facility of HMFL is a national S&T infrastructure project initiated during China’s 11th Five-year Plan (2006-2010). WM5 is the second water-cooled resistive magnet in operation at the facility. The entire magnet system, including the supporting power supply, cooling system and central control system, was designed and developed independently by engineers and technicians at HMFL.
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