Refinement Technology of Solidification Structure under Pulsed Electromagnetic Field and Its Application
The development status of pulsed electromagnetic field processing technology was expounded,and the mechanism of refining crystals was analyzed.The differences of pulse current,pulsed magnetic field and pulsed magneto-oscillation during the melt process were explored.Effects of pulsed electromagnetic field treatment at different stages of solidification were evaluated,and the industrial application strategy focusing on pulsed electromagnetic field was extracted.The industrial practice of pulsed magnetooscillation combination technology in HRB400EG,20CrMnTi and 42 CrMo was emphasized,including the improvement of average isoaxial region,central segregation index control and primary dendrite spaces.The industrial application prospect of pulsed electromagnetic field was revealed through indus-trial practice,aiming to provide research direction for further industrial applications of pulse electromagnetic field.
Metal MaterialsPulsed Electromagnetic FieldSolidification StructureGrain Refinement
NETL
NSTL
万方数据
