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Tongrun will introduce new ultra-high purity spherical titanium alloy powder to users around the world

2019-10-25 11:02:22  Knowledge

Metal powder is the basic and key material of metal 3D printing process. Tongrun has been committed to the development of high quality 3D printing alloy powder materials. It is reported that Tongrun is developing a new generation of plasma atomization (PA) milling technology, which will introduce a new ultra-high purity spherical titanium alloy powder product AMC-Ti6Al4V to users around the world.


PA technology is one of the hotspots in the research of global 3D printing titanium powder technology. Based on the high thermal energy input and steady flow atomization characteristics of plasma jet, it can effectively control the hollow powder rate of powder, and the sphericity of powder is high, showing “like water. The mobility is especially suitable for metal 3D printing processes.

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Plasma atomization (PA) - "all eugenics" in the field of spherical metal powder preparation technology

The PA technology uses titanium wire as a raw material, and uses a plasma jet to melt the wire, and then impact disperses and atomizes into ultrafine droplets, which are deposited and deposited in the atomization tower, and exchange heat with the cooled argon gas introduced into the atomization tower. Further, it is cooled and solidified into an ultrafine powder as shown in the figure.


Compared with plasma rotary electrode milling technology (PREP), the titanium powder produced by PA technology has finer powder and fine powder yield while ensuring high sphericity; compared with VIGA, EIGA and other aerosolization methods, PA While ensuring the fine powder yield, the powder has a higher sphericity and almost no hollow powder in the fine powder; compared with the plasma spheroidization method, the PA process has higher production efficiency. The comprehensive advantages of PA technology can be said to be the "all-youth" in the field of spherical metal powder preparation technology.


"Three high" performance is worth looking forward to

The titanium wire used in the PA process does not contact the reactor wall such as ceramics during the melting process, thereby reducing the risk of inclusions, and the prepared powder has almost no hollow powder, which ensures the "high purity and low hollow ratio" of the powder.

Tongrun will introduce new ultra-high purity spherical titanium alloy powder to users around the world

The PA uses a hot atomizing gas instead of a cold atomizing gas to prevent the particles from rapidly cooling and collecting into an irregular shape, and the produced powder has the characteristics of "high sphericity".


The PA process produces few powder satellite powders with high sphericity. The AMC-Ti6Al4V titanium alloy powder has the characteristics of “high fluidity”. The Hall flow rate is 30.8s/50g, which truly realizes “like water” flow.


Only focus on professionalism, from EIGA technology to PA technology, from imitation breakthrough to technology leadership, from solving "with or without" problems to mass standardization preparation, Tongrun looks for the breakthrough of "3D printing spherical powder", constantly launching charges and challenges. The new height is only to produce the world's best quality 3D printing powder products, making 3D printing design more free, printing performance more stable, printing cost more advantageous, and creating more value with global users!

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Tongrun research team has research background of military materials and strong technical strength. It has successfully developed nearly 20 kinds of titanium alloys, nickel-based alloys, cobalt-chromium alloys, stainless steels, die steels, aluminum alloys and other standard grade powder materials, including titanium aluminum metal in research. Inter-compound, nickel-titanium shape memory alloy, high-strength aluminum alloy, high-entropy alloy, amorphous alloy, etc., a large number of international leading-edge 3D printing new materials, compiled more than 20 kinds of metal powder materials for laser melting in the selection area, participated in the preparation of auditing Additives manufacture aviation industry standards and national standards.


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