Additive Manufacturing Strategies

3D Printed Aircraft Fuselages? Constellium, STELIA Aerospace & CT INGENIERIE Partner

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stelia aerospace fuselage AMBased in Amsterdam, Constellium (NYSE:CSTM) is a global corporate player with nearly 8,800 employees whose activities stretch across industries such as aerospace, automotive and packaging, but the common thread among all their divisions is aluminum which the company produces via several different metallurgical processes.

RTGE0718_p20At sites around the world, Constellium produces some 1 million tons of aluminum annually, and for aerospace applications, the company has developed a “closed-loop” recycling process for three main industries: automotive structures, packaging and automotive rolled products and aerospace and transportation. That last division provides advanced aluminum and specialty materials products such as plate, sheet, extrusions and precision casting products for clients which include Airbus, Boeing, Mitsubishi, Embraer, Dassault, Bombardier and Kawasaki.

Constellium now says they have formed a partnership with STELIA Aerospace, a design and production company of aircraft fuselages, and CT INGENIERIE, an engineering company known for technological innovation, to engage in a research and development project called FAST.

The FAST program will focus on topological optimization of aero structures and additive manufacturing processes. The companies say FAST will seek to optimize design and technologies to make large aerospace structures and parts more efficiently.

Bruno Chenal, the Director of R&D at Constellium Research and Technology, says 3D printing and AM offer a wide range of alternatives for the design and production of large aerospace components such as their fuselages. He says existing available technology falls short when it comes to the design of large scale modules, but he adds that 3D fuselage printing will allow for simpler design modification, parts duplication and customization.

“The goal of the FAST project is to change the way innovative technologies are implemented and to expand the usage of 3D printing,” Chenal says. “3D printing will allow us to create metal shapes and properties that were previously impossible to produce.”

A long-term project initiated last year, FAST remains in early stages of development and Constellium will serve as the primary materials supplier while STELIA Aerospace will lead the design and production efforts. CT INGENIERIE will use their expertise to optimize the designs.

Chenal says that, while 3D printing is already widely used in technology and extrusion manufacturing, this project will take the technology to an “unparalleled scale.”

Constellium generated €3.7 billion in revenue for 2014.

Image 63 Can you envision the system which will allow Constellium and their partners to build enormous fuselages for aerospace applications from aluminum? Let us know your thoughts in the Constellium forum thread on 3DPB.com.

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