3D Printing ProcessesAdditive ManufacturingAM ResearchCeramic Additive Manufacturing

Johnson Matthey Opens New Ceramic 3D Printing Laboratory in Royston

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Johnson Matthey is opening of a new state-of-the-art ceramic 3D printing facility in Royston, UK. Currently JM produces bespoke ceramic products with flexible geometries and feature sizes down to just 400 µm. This 3D printing process offers a cost effective solution for producing small complex ceramics on a large scale.

The new R&D laboratory will enable us to develop a greater understanding of 3D printing; characterising powders and inks to allow faster development and more effective solutions for customers.

‘This new laboratory is a great step forward for Johnson Matthey. The cutting-edge technology will help us develop our 3D printing capabilities and offer customers truly bespoke solutions.’ said Sam O’Callaghan, Research Group Leader.

In 3D printing, particle size distribution is an important factor, but shape can also play a significant role. Our new QiCPic image analysis sensor allows both to be measured simultaneously in a dry atmosphere similar to the ‘in use’ environment.

There are many factors that contribute to a powder’s performance in printing that can broadly be described as flow characteristics. The Freeman FT4 is an advanced piece of equipment that allows 7 different test types, resulting in 21 different powder properties. These are being combined with Johnson Matthey knowhow to build a powder operating window.

The new lab will also improve ink characterization techniques using a PixDro ink jet printer, fitted with same printhead system installed across all of the R&D prototype and pilot plant printers. This allows diversity, as well as cost saving experiments, assessing alternative suppliers and reagents.

PixDro inkjet printer

The new lab also features a mixer torque rheometer that allows powder-ink interactions to be measured. This enables us to define the ideal printer settings prior to printing as well as giving us a background understanding of why certain powders perform differently to others.

The overall aim of this new facility is to build upon our understanding of 3D printing, improve our processes and help create effective applications for our products.

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