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Badly! Print-Rite thousand 3D printer has been used by foreigners to create rare materials of high price.

Date:2018/05/15  Click:729 times

Graphene is known as the 3D printing super material, which can be widely used in mobile devices, aerospace, new energy batteries and many other fields. Although graphene is very desirable, the traditional manufacturing process is expensive and slow, and obtaining is very difficult. There are still many technical challenges that need to be overcome in the combination of graphene and 3D printing, for example, how an ordinary 3D printing device prints multi material products containing graphene.

And recently, there seems to be an answer to this problem. Researchers at Technische Universiteit Delft in Holland are using an ordinary desktop CoLiDo DIY 3D printer to print bacteria like graphene materials.

Bacterial 3D printing system

The above picture is the Print-Rite CoLiDo DIY 3D printer. My FDM desktop machine is so capable of refreshing the cognition of Xiaobian once again.

Print-Rite Tmall flagship store CoLiDo DIY 3D printer

It is reported that the researchers used CoLiDo DIY 3D to print the bacteria into lines precisely. When the bacteria metabolize, the oxygen atoms in the graphene oxide (carbon, oxygen and hydrogen compounds) are pulled out to convert them into a kind of graphene material. In fact, there are many ways to prepare graphene materials, but bacteria are no doubt cheaper, more environmentally friendly, without the need for extreme temperatures or toxic chemicals, all of which are relatively easy to operate.

Specially written bacterial 3D printing system printing head

For example, the bacteria are accurately deposited into lines. As long as the Escherichia coli and an alga gel are mixed and the mixture 3D is printed on an object containing calcium ions, the bacteria are fixed to the place where the calcium ions are in contact with the gel and solidified.

Graphical representation of 3D printing bacteria

For example, in the sugar water at room temperature, the bacteria can be produced by the printing of bacteria. The more oxygen atoms are discharged, the more graphene oxide is closer to graphene, and the product can have high toughness, high strength and so on.

Graphene is the thinnest and highest strength material in nature so far. It has the characteristics of transparent, conductive, bending and mechanical strength. It can be wirelessly stretched, bending to a large angle and not breaking, and resisting very high pressure. It can be as tough as a diamond ring, 200 times stronger than steel, and like rubber. Tenacity。

The research results of Holland Technische Universiteit Delft, in addition to breaking through the limitations of "material", have broken through a misunderstanding of thinking, purchase high professional 3D printing equipment, blindly pursue various advanced technologies, and ignore the mature technology. It is important to pursue innovation, but it is the most important thing to use the existing technology in reality. The small CoLiDo DIY 3D printer can print graphene like materials by using FDM technology to illustrate this point.

(source: 3ders.org)