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Rapid Ceramic Engineering

Ben Becker of HotEnd Works described to us the process his company uses to produce industrial-grade ceramic prototypes. Ceramic prototypes have been around for a very long time, but there's only so much you can do using conventional prototyping tools. Some geometries simply cannot be produced. 
 
However, 3D printed ceramics can replicate any geometry. But one of the issues is that most ceramic processes seem to use 'art-grade' ceramics that are entirely unsuitable for engineering-level prototypes. HotEnd Works avoids this scenario by using different ceramic materials. Becker says: 
 
Materials used in rapid ceramics range from less hard alumina ceramics (aluminum oxide filler) to very hard and abrasion resistant zirconia ceramics (zirconium silicate filler). These ceramics can withstand between 2800 F and 3200 F working temperatures, and have a dielectric strength of 150 volts per mil. The alumina ceramic material is extremely abrasion resistant, corrosion resistant, and has excellent mechanical performance. 
 
There are many different processes for 3D printing, but the choice of materials is just as important. Choose wisely.
 

The EchoRap 3D Printer

Metal 3D Printing Everywhere

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