FIELD: metallurgy.
SUBSTANCE: alloy is a deformable Al-Cu-Mg-Mn - alloy of copper (Cu) from 3.8 to 4.2 wt % and the content of magnesium (Mg) from 0.45 to 0.6 wt %.
EFFECT: due to a combination of removing chips and processing methods of plastic deformation the cost of manufacture of rotor and stator of turbomolecular pump are reduced.
2 cl
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