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Scientists Use 3D Printing to Print Non-magnetic Metal Powders into Magnetic Alloys

Since the beginning of this year, people around the world have felt the pressure of rising prices. Not only the rise in oil prices but also different industries have seen soaring prices. According to the latest data, from August 2021 to the present, the inflation rate in the United States has risen for 6 consecutive months, and this data has soared from the previous 5.3% to 7.9% today. Inflation in the United States, the global Many countries have been affected.
According to experts' forecasts, the inflation rate in the United States may exceed 10% this year, which will face the danger of collapse, which has a great impact on global inflation, including 3D printing metal powder.

Scientists at Skoltech University in Russia used a 3D printer to create an alloy of two materials whose composition ratios varied from one region of the sample to the next, and the resulting alloy had gradient magnetism, even though none of the initial materials were magnetic.
 
3D printing, a rapid prototyping method, is maturing for aircraft parts, medical implants and prosthetics, jewelry, custom shoes, and more. 
 
The main advantage of 3D printing is the ability to create objects with very complex shapes that are either too expensive to produce or completely impossible to produce using traditional casting, rolling, stamping, or machining methods. 3D printing speeds up prototyping time and offers greater flexibility in product personalization and the number of batches. Another significant advantage of 3D printing is its low waste. 
 
However, 3D printing has its limitations, requiring objects to be made entirely of homogeneous materials or mixtures. If the composition is different in different parts of the product, it is possible to obtain samples with changing characteristics. For example, A bar made of an alloy of two metals has A variable ratio of composition: one end starts with 100 percent of metal A, then 50 percent of each, then 100 percent of metal B, and so on. Thus, the properties of the obtained materials (including magnetic materials) can vary in a gradient, which makes them potentially useful for the manufacture of motor rotors, magnetic encoder strips, transformers, etc.
 
Skoltech scientists have researched and made such a kind of material, with the original ingredients A and B being two alloys: aluminum-bronze (copper, aluminum, and iron) and austenitic stainless steel (iron, chromium, and nickel, among others). Both alloys are paramagnetic, which means they are not attracted by magnets. But if you mix them, you get what's called a "soft magnetic material" ferromagnet, which is attracted to a permanent magnet. 
 
The researchers used the two paramagnetic materials to create a gradient alloy. They used an InssTekMX-1000 3D printer, which works by depositing material using directional energy action, feeding a powdery material, and melting it with a laser at the same time. The resulting materials exhibit varying degrees of ferromagnetic properties, depending on the proportions of the components. 
 
The researchers also theorized that the atomic structure of the alloy contributes to the expression of ferromagnetism in the alloy: although both materials have so-called face-centered cubic crystal structures, the combination results in a magnetic body-centered cubic structure. 
 
Gradient soft magnetic alloys can be used in mechanical engineering, for example, in the production of electric motors. The results also show that the method of surface treatment of materials using directional energy action can not only obtain gradient materials using 3D printing but also discover new alloys. The technology is efficient and suitable for the rapid production of large parts.
 
3D Printing powder Price
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
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Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials including silicon powder, nitride powder, graphite powder, zinc sulfide, calcium nitride, 3D printing powder, etc.
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With the outbreak of the Russia-Ukraine conflict, the market is increasingly worried about the potential disruption of Russia's energy supply. Geopolitical premiums have pushed up the price of crude oil and natural gas, and the energy price is expected to remain high in the short term. Affected by this, the market price of the 3D printing metal powder may continue to rise.

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