Exactly what are the metal powders for 3D printing? Metallic 3D printing is actually a 3D printing technologies that utilizes metal powder to specifically printing metallic elements, also referred to as metal powder sintering (SLM) Along with great plasticity, 3D printing metallic powder also must meet the requirements of good particle dimensions, slim particle dimensions circulation, higher sphericity, excellent fluidity and free density At the moment, the metal powders used in most 3D printers consist of stainless, aluminum alloy, cobalt chromium alloy, copper alloy, titanium alloy and nickel alloy Steel base alloy is the most important and largest metallic material in engineering technology. It is actually mostly used for forming complex structures and is widely used in aerospace, car, shipbuilding, machinery producing along with other businesses
How to pick 3D printing metallic powder?
3D printing metal powder is a type of substance for 3D printing, along with its high quality also determines the standard of the printed products to some specific degree. For that reason, we need to pay out specific attention when choosing and ultizing it. Luoyang Tongrun presents the assortment way of 3D printing metallic powder.
1.3D printed metallic powder should be free of pollutants
Because then are too numerous harmful particles in 3D printing metal powder, the melting point of some of the powder will rise, so the imprinted products is going to be unqualified because of unfinished dissolution in the course of laser dissolution.
2. Scale of o2 articles
Today, 3D printing metal powders are mainly produced by atomization, which makes the powder have a huge variable location, so the oxidation trend may well be more serious. Consequently, we must be aware of the oxygen content inside the powder. For example, the o2 articles of higher-temperature metal powders is generally necessary to be between 6 and 18 thousandths, and this of titanium alloy metal powders is generally necessary to be among 7 and 13 thousandths.
3. Powder particle dimensions
The particle size of 3D published metallic powder includes a considerable influence on the formed product page. Most of the time, smaller the particle scale of the powder, the greater. In this way, the imprinted product has not yet only high preciseness but also excellent and extremely smooth surface. Nevertheless, if the particle dimensions are too small, spheroidization might take place as a result of uneven powder distributing in the course of publishing.
4. Powder form
In most cases, spherical 3D printing metal is more suitable for tynqaf publishing, as the fluidity of spherical 3D printing metallic powder is better. When printing, it is actually much easier to ceramic tile, which can make the imprinted product more beautiful. Or else, when the metal powder is not really paved correctly, the imprinted product surface will appear tough.
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