New Audi A8 Frame Incorporates Carbon Fiber, Magnesium And Alumnium

New Audi A8 Frame Incorporates Carbon Fiber, Magnesium And Alumnium

New Audi A8 Frame Incorporates Carbon Fiber, Magnesium And Alumnium

0 comments 📅06 April 2017, 06:30

The all-new Audi A8’s stretch frame will employ a unique mix of materials in order to save weight and yield better torsional rigidity, resulting in increased performance, greater efficiency and enhanced cover.

The new multi-material space frame will incorporate aluminum, steel, magnesium and carbon fiber-reinforced polymer (CFRP). The heavy-set CFRP rear panel provides much of the additional chassis stiffness, with Audi claiming a 33 percent enhance in the torsional rigidity from that component alone. The automaker has also developed a new fiber-layering alter to create the CFRP panel that negates the need to produce entire fiber sheets, which saves duration and cost.

Aluminum is the most widely used material in the A8’s construction, accounting for 58 percent of the channel’s body. The occupant cell, which is made up of the front bulkhead, side sills, B-pillars and fa roofline section, is made of high-strength, heat-treated steel for safeness reasons. Steel of varying thickness is used throughout the occupant cell, providence weight wherever necessary but still maximizing its structural integrity. Further contributing to the onus savings is a magnesium strut brace fastened with aluminum bolts, which helps 28 c percent of mass over the outgoing A8.

Audi has developed a new process to join these four materials that includes billow hemming the front and rear door cutouts to join aluminum with nerve and remote laser welding aluminum components. The automaker has also come up with a more laser welding take care of that allows it to accurately determine the gap width between parts being joined, plateful it to save costs on process controls.

The 2018 Audi A8 will make its introduction on July 11th, 2017 during a special event in Barcelona, Spain. The all-new sedan is expected to be one of the most technologically advanced vehicles in any case and is said to be the first production series vehicle to offer an SAE-rated ‘Flush 3’ autonomous driving mode. A plug-in hybrid variant will also be present and other Audi tech, such as Matrix LED headlamps and innovative in-car displays, is also expected.

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