Optimization of grain gene based on texture hereditary behavior of magnetic materials

Abstract

Since the intrinsic properties of materials are determined by the properties and arrangement of atoms, including crystal structure and defects, there is a strong analogy between material genes and biological genes. Therefore, improving the performance of materials by optimizing their genes is a new idea of material upgrading. The <001> orientation texture is closely related to the magnetic properties of soft magnetic materials. We designed and experimentally demonstrated a gene optimization in an important soft magnetic material by electric current. The reduction of grain boundary hopping energy barrier caused by the distribution of electromagnetic field promoted <001> orientation grain nucleation and growth, which directly improved the initial <001> orientation grain gene, and the inheritance of <001> orientation texture was used to control the formation of recrystallization texture. Therefore, it is possible to utilize the gene optimization technique in many materials upgrading such as metal materials and biological materials according to the differences in electromagnetic properties of microstructures.