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Home / New AM Alloy Swings Open 3D Options for Turbines and More

New AM Alloy Swings Open 3D Options for Turbines and More

EOS NickelAlloy IN939 from German 3D metals printer company, EOS, combines high-temperature strength – at over 1500 degrees F – with crack and corrosion resistance. Its potential ranges from industrial gas turbine and microturbine parts to turbochargers, power industry parts and other extreme-conditions applications.

Posted: February 24, 2021

The company says its EOS NickelAlloy IN939 offers greater tensile properties, validation, reliability, and crack-resistance than similar materials currently on the market.
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EOS (Krailling/Germany), supplier of industrial 3D printing technologies for metals and polymers, has added a new nickel alloy material to its growing and expansive list of metal powders available for use in powder bed additive manufacturing (AM).

The new material, EOS NickelAlloy IN939, is a nickel-chromium alloy that provides an excellent balance of strength in high-temperature settings, resistance to corrosion and oxidation, fatigue performance, and creep strength at temperatures up to 1,560 degrees F (850 degrees C). EOS NickelAlloy IN939 offers greater tensile properties, validation, reliability, and crack-resistance than similar materials currently on the market. Parts produced using EOS NickelAlloy IN939 can also be hardened after being manufactured by applying precipitation-hardening heat treatments.

Applications include industrial gas turbines, (vanes, blades, heatshields), as well as microturbines, turbochargers, power industry parts and other energy industry uses exposed to high temperatures and extreme elements.

“PSM is excited to see the continued investments by EOS supporting 3D printing applications in the energy industry,” said Dr. Alex Hoffs, president of Power Systems Mfg., LLC. “For gas turbine power plant operators, we believe flow path components additively manufactured with new advanced metal powder alloys such as EOS NickelAlloy IN939 bring the potential for significant operational flexibility improvements.”

Kevin Minet, EOS team supervisor of metal materials and processes added: “Material development is always driven by customer demand and very often is the result of a close customer cooperation. EOS NickelAlloy IN939 was developed to meet or even exceed the properties of casted nickel alloy.

“The PSM application scenario and their early success support the potential we see for this material for more industries and applications,” Minet said.

In addition to the immediate availability of EOS NickelAlloy IN939 for the EOS M 290 3D metal printer, there is a planned release for the EOS M 400-4 platform in the second quarter of 2021, as well as other future platforms.

www.eos.info/en

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