MATERIALS TECH NEWS

Sandvik and Renishaw Expand Collaboration to Qualify New Additive Manufacturing Materials

Additive Manufacturing Materials
Additive Manufacturing Materials
Above: (From left) Mikael Schuisky – VP R&D and Operations at Sandvik Additive Manufacturing, Kristian Egeberg – President at Sandvik Additive Manufacturing, William Lee – Chief Executive at Renishaw, Andy Robinson – Director of Additive Manufacturing (Acting) at Renishaw/Image Credit: Sandvik Additive Manufacturing

Sandvik Additive Manufacturing is collaborating with Renishaw to qualify new additive manufacturing materials for production applications. This encompasses a broad range of metal powders, including new alloy compositions that are optimised for the laser powder bed fusion (LPBF) process and which provide superior material properties.

Additive Manufacturing Materials
Above: Sandvik metal powder plant in Sandviken/Image Credit: Sandvik Additive Manufacturing

Sandvik has worked with Renishaw AM systems since 2018 at its Additive Manufacturing Centre in Sandviken, Sweden.  During this time, the two companies have worked together to develop process parameters for a range of Sandvik metal powders, including stainless and maraging steels, and the latest Osprey® nickel-based superalloys. Sandvik has recently inaugurated a state-of-the-art titanium atomiser and powder processing facility and will now turn its focus to qualifying these alloys for industrial and medical applications.

Commenting on Sandvik’s expertise, Mikael Schuisky, VP R&D and Operations at Sandvik Additive Manufacturing said, “With our 157-year materials knowledge, our comprehensive range of in-house Osprey® steels, duplex and super-duplex stainless steels, as well as nickel-based alloys and our new titanium powders, Sandvik now offers the widest range of additive manufacturing materials to the market. Renishaw’s open machines have enabled us to rapidly optimise process parameters for our alloys for use in many different applications.”

Additive Manufacturing Materials
Above: Sandvik’s world leading Osprey® metal powders, now also includes nickel-based alloys for additive manufacturing/Image Credit: Sandvik Additive Manufacturing

This parameter development work has highlighted opportunities to make small but important changes to the composition of Sandvik alloys, whilst remaining within the relevant ASTM specification, to optimise the mechanical properties of LPBF components.  Examples of this include a maraging steel with enhanced strength and hardness, and a crack-free Osprey® HX nickel superalloy.

Speaking about the additive manufacturing materials, Stephen Crownshaw, AM Business Manager at Renishaw explained, “Much of the innovation in AM in the next few years will come from the pairing of enhanced machine performance with improved alloys. Better alloys mean better material properties, enabling the manufacture of AM components that are even more efficient and cost-effective. The consistency of Renishaw’s latest AM systems, combined with Sandvik’s material expertise, provides tremendous opportunities to advance AM processes and to make a stronger business case for AM.”

Talking about the collaboration with Renishaw, Mikael Schuisky added, “AM is transforming the manufacturing landscape, with better equipment and materials being the driving forces behind that change. Sandvik’s unique end-to-end process knowledge – spanning raw materials, powder production, additive manufacturing and post-processing methods such as machining – puts us in the ideal position to help manufacturers to exploit this exciting technology.  Renishaw’s latest quad laser systems help us to extract AM’s full potential.”

As well as qualifying additive manufacturing materials for sale to other manufacturers, Sandvik has developed a range of additive production applications, including AM variants of its cutting tools. One example is Sandvik Coromant’s lightweight CoroMill® 390 milling cutter in titanium, which is 80% lighter than a conventional tool and enables metal-cutting productivity gains of up to 200%. This innovative new product has now gone into series production on the RenAM 500Q and was launched on the market in April this year.


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