发明名称 |
Multiple density sandwich structures and method of fabrication |
摘要 |
A method to superplastic form sandwich structures is provided. A series of worksheets are joined together at selected locations through the use of partial penetration welding. The worksheets are subsequently superplastic formed in order to form a sandwich structure. The method allows a different number of worksheets to be used at different points throughout the sandwich structure. This results in a sandwich structure with a different internal reinforcement at different locations in the sandwich structure. In the preferred embodiment, a wing is fabricated from a series of worksheets partial penetration welded together using a laser. The worksheets are superplastic formed to producing a wing with a different internal reinforcement at two or more locations in the wing.
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申请公布号 |
US5330092(A) |
申请公布日期 |
1994.07.19 |
申请号 |
US19910809304 |
申请日期 |
1991.12.17 |
申请人 |
THE BOEING COMPANY |
发明人 |
GREGG, PAUL S.;KISTNER, MATTHEW G.;WILL, JEFF D. |
分类号 |
B21D26/02;B23K26/20;B64C1/00;B64C3/20;B64C27/473;E04C2/32;(IPC1-7):B23K28/02 |
主分类号 |
B21D26/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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