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Improving competitiveness of Additive Manufacturing Aerospace serial parts

LISI AEROSPACE Additive Manufacturing-Maxime gas, Alexis RENE-CORAIL, Sebastien EYRIGNOUX, Guillaume IKER, Stephane SUDRE
  • Technical Paper
  • 2019-01-1900
To be published on 2019-09-16 by SAE International in United States
The interest of selective laser melting technology for aerospace parts is very high due to their high complexity and their freedom of design which allow functions integration. However, the competitiveness of Laser Beam Melting (LBM) machines for aerospace industry is limited by two major road blocks. On the one hand, basic parametric set sold with LBM machines are more oriented to historical qualification than productivity rates. For instance, the ongoing qualification on EOS M290 by AIRBUS COMMERCIAL AIRCRAFT only enables us to produce a hundred pieces per machine per year. On the other hand, wasted times between two consecutive manufacturing batches are significant and are impacting the yearly output of the machines. The present project focuses on two activities, focusing on the largest available machines, XLINE2000R and M400, in order to maximize the amount of pieces per build. The first one was the improvement of parametric set productivity, to reduce production time, while keeping material and mechanical properties. We focused on main aerospace materials: titanium alloys, aluminum alloys (Scalmalloy®) and nickel-chromium-based superalloys. The second one…
 
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Titanium Alloy, Bars, Wire, and Rings, 5Al - 2.5Sn, Annealed, 110 ksi (758 MPa) Yield Strength

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4926P
  • Current
Published 2019-06-20 by SAE International in United States

This specification covers a titanium alloy in the form of bars, wire, flash welded rings 4.000 inches (101.60 mm) and under in nominal diameter or least distance between parallel sides and 16 in2 (103 cm2) and under in cross-sectional area, and stock of any size for flash welded rings.

 
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Titanium Alloy Bars, Forgings, and Rings, 6Al - 4V Extra Low Interstitial (ELI), Duplex Annealed, Fracture Toughness

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4931F
  • Current
Published 2019-06-11 by SAE International in United States

This specification covers a titanium alloy in the form of bars 6.000 inches (152.40 mm) and under in nominal diameter or least distance between parallel sides, forgings and flash welded rings 6.000 inches (152.40 mm) and under in thickness, and stock for forging and stock for flash welded rings of any size.

 
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Titanium Alloy Sheet, Strip, and Plate, 6Al - 2Sn - 4Zr - 2Mo - 0.08Si, Duplex Annealed

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4919J
  • Current
Published 2019-06-10 by SAE International in United States

This specification covers a titanium alloy in the form of sheet, strip, and plate 0.025 to 3.000 inches (0.64 to 76.20 mm), inclusive, in nominal thickness.

 
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Cleaner for Exterior Aircraft Surfaces Thickened or Gel-Type, Water-Base

AMS J Aircraft Maintenance Chemicals and Materials Committee
  • Aerospace Material Specification
  • AMS1523B
  • Current
Published 2019-06-03 by SAE International in United States
This specification covers a thickened, water-base, type cleaner in the form of a gel.
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Titanium Alloy, Extrusions and Flash Welded Rings, 6Al - 4V, Solution Heat Treated and Aged

AMS G Titanium and Refractory Metals Committee
  • Aerospace Material Specification
  • AMS4934H
  • Current
Published 2019-06-03 by SAE International in United States

This specification covers a titanium alloy in the form of extruded bars, and shapes, flash welded rings up through 3.000 inches (76.20 mm) inclusive, in nominal diameter or least distance between parallel sides, and stock for flash welded rings of any size.

 
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COMPOUND, ALKALINE RUST REMOVER Aircraft Turbine Engine Components

AMS J Aircraft Maintenance Chemicals and Materials Committee
  • Aerospace Material Specification
  • AMS1379A
  • Current
Published 2019-06-03 by SAE International in United States
This specification covers an alkaline rust remover compound in the form of a liquid concentrate or a water-soluble powder for dilution with water.
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Nickel-Iron Alloy, Magnetic, Sheet and Strip 50Ni - 50Fe Annealed, Forming Grade

AMS E Carbon and Low Alloy Steels Committee
  • Aerospace Material Specification
  • AMS7717E
  • Current
Published 2019-05-29 by SAE International in United States
This specification covers a magnetically soft nickel-iron alloy in the form of sheet and strip.
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Nickel-Iron Alloy, Magnetic, Sheet and Strip 50Ni - 50Fe Stamping Quality, Half-Hard Temper

AMS E Carbon and Low Alloy Steels Committee
  • Aerospace Material Specification
  • AMS7719E
  • Current
Published 2019-05-29 by SAE International in United States
This specification covers a magnetic nickel-iron alloy in the form of sheet and strip.
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Nickel-Iron Alloy, Magnetic, Bars, Rods, Tubing, and Forgings 50Ni - 50Fe

AMS E Carbon and Low Alloy Steels Committee
  • Aerospace Material Specification
  • AMS7718H
  • Current
Published 2019-05-29 by SAE International in United States
This specification covers a magnetically soft nickel-iron alloy in the form of bars, rods, forgings, mechanical tubing, and forging stock.
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