Hi, does anyone have exact Methods to tailor the texture of 50Ni-50Fe alloys, to get the best possible magnetic properties?
I know a little that it is possible to engineer the texture by Alloying elements and heat treatments, but how exactly?
Your input is highly appreciated.
Magnetic properties of Permalloy are influenced by alloyng elements, alloy purity, annealing parameters, but also by volume and shape of material and its surface quality. It is important information if it is sheet, thin film or powder particles. In general, domain structure of Permalloy thin film is mainly cross-tie wall. Chain walls domain structure is observed in bulk. Permalloy powder particles structure depens on size of particles. Small particles are single-domain e.g. Alloing elements is complex topic. Mo is grain grow suppresor e.g. Si create nano-crystalline phase which induce domain wall pinning. It is necessary to define the goal of modification to specify alloing elements and relevant heat treatment. Is is really complex question.
Dear Dr. Radovan Bures
thank you for your answer. You are absolutely right, i should've mentioned that it is sheet, and casting process is carried out in a vacuum induction furnace.
alloys.
When you mentioned that " Mo is grain grow suppresor e.g. Si create nano-crystalline phase which induce domain wall pinning," these effects are related to powder particles right? can i use this for my research?
my goal, here, is to get a final sheet with a low coercivity and high permeability. in doing so, i need your help, if you can recommend me a reference or any input to understand the effect of alloying elements and relevant heat treatments on domain structure of 50Ni-50Fe.
Regards.
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