B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 26/02 (2011.01) B23K 26/20 (2006.01) B64C 1/00 (2006.01) B64C 3/20 (2006.01) E04C 2/32 (2006.01)
Patent
CA 2627867
A method of superplastic forming of titanium packs and an associated assembly is provided. The titanium packs can include sheets (14, 16) having different granular structures so that the different sheets (14, 16) are adapted to superplastically form at different temperatures. One or more of the sheets (14, 16) can be formed at a temperature that is below the superplastic forming temperature of another sheet (14, 16) in the pack. In some cases, the occurrence of markoff can be reduced or eliminated. An airframe comprising an aircraft structure manufactured by this method is also described.
La présente invention concerne un procédé de formage superplastique de bâtis de titane et un assemblage correspondant. Les bâtis de titane comprennent des tôles ayant différentes structures granuleuses afin que les diverses tôles soient adaptées au formage superplastique à différentes températures. Une ou plusieurs tôles sont formées à une température inférieure à celle de formage superplastique d'une autre tôle du bâti. Dans certains cas, l'apparition de tracé peut être réduite ou éliminée.
Comley Peter N.
Connelly Thomas J.
Dunstan Kent W.
Hefti Larry D.
Williams William T. III
Bull Housser & Tupper Llp
The Boeing Company
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