Explain the advantages of non oriented electrical steel?
Release time:
2023-03-14
The development prospect of non oriented electrical steel industry is very good, as it brings many benefits to the enterprise when used, so it is deeply favored by customers. In order to make everyone more familiar with it, let's talk about the advantages of non oriented electrical steel? I hope it can bring help to more people.
The development prospect of non oriented electrical steel industry is very good, as it brings many benefits to the enterprise when used, so it is deeply favored by customers. In order to make everyone more familiar with it, let's talk about the advantages of non oriented electrical steel? I hope it can bring help to more people.
Nowadays, many people do not know some basic information about non oriented electrical steel, so as manufacturers, it is necessary for us to briefly explain. In fact, the key to this non oriented electrical steel is the use of secondary recrystallization. In order to achieve secondary recrystallization, it is usually necessary to add common crystal growth inhibitors, such as MnS, to the mixture. The grain growth inhibitor should be able to disperse in the alloy matrix in the form of doping, especially when secondary recrystallization occurs, effectively preventing the normal growth of the matrix crystal, and may be required. It is easily removed during the final high-temperature melting process, so the magnetism of the product does not deteriorate. Or in secondary recrystallization, the oriented nuclei of secondary grain growth mainly rely on appropriate cold rolling processes and recrystallization annealing. Because phase transformation can disrupt grain orientation, it is important to maintain a single phase during heat treatment. In short, non oriented electrical steel is a class of iron based alloy magnetic materials with a silicon content of 0.5-6.5%. Due to the non directional arrangement of its grain structure, you will find that its performance in all directions is basically the same, mainly used as rotary motors, such as large, medium, small, and various micro motors. In addition, non oriented electrical steel is also used in static motors that do not require high magnetic induction strength, such as the core of small transformers.
Non oriented electrical steel is an element that has beneficial or dual effects on its properties. For example, some aluminum functions similar to silicon. Aluminum can improve strength, reduce austenite phase zones, and promote grain growth, so it has a certain beneficial effect. However, the effect of non oriented electrical steel is affected by the nitrogen content in silicon steel. Aluminum and nitrogen are prone to form AlN precipitates, which reduces the magnetic properties of silicon steel sheets. When the grain size of precipitated AlN is less than 0.5 μ "At m, they will fix the grain boundaries, and you will see that grain growth is hindered, thereby increasing iron loss.". However, when the precipitated AlN particle size is greater than 1 μ At m, its pinning effect on the grain boundary is very slight, so it has little impact on the magnetic properties of the sample. Phosphorus content can improve the magnetic properties of ferrosilicon alloys. Phosphorus forms iron phosphide at grain boundaries, which can improve the drilling performance of silicon steel. The segregation of phosphorus at the grain boundary will hinder the nucleation and growth of recrystallized grains with unfavorable orientation, increasing the magnetic induction intensity. At the same time, non oriented electrical steel phosphorus can increase the strength of silicon steel and reduce iron loss. Of course, our company's products can still meet these requirements. We also welcome to establish long-term cooperative relationships with friends from all over the country. After all, it is well-known in this industry, with reasonable prices and guaranteed quality.
After the above introduction, we also have a further understanding of the advantages of non oriented electrical steel. "When I see him again in the future, I won't feel strange, and I won't often encounter problems in the process of using him.". Well, that's all for today's content, and I believe it will bring more exciting knowledge points.

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