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UNDERWING SHEET METAL WITH IMPROVED DAMAGE TOLERANCE PROPERTIES
UNDERWING SHEET METAL WITH IMPROVED DAMAGE TOLERANCE PROPERTIES
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机译：具有改善的损伤容限性能的抗渗金属
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摘要
The invention relates to a rolled product with state T351, having thickness of between 15 and 50 mm, made from aluminium alloy having the following composition, in % by weight, Cu: 3.85-4.15; Mg: 0.95-1.25; Mn: 0.45-0.57; Zr: 0.09-0.16; Ti: 0.005-0.1; Fe: 0.070; Si: 0.060; with Cu+Mg≤5.15; other lesser elements 0.05 each and less than 0.15 in total, the remainder being aluminium.
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机译：本发明涉及状态T351的轧制产品，其厚度为15-50mm，由具有以下组成的铝合金制成，以重量％计，Cu：3.85-4.15;镁：0.95-1.25; Mn：0.45-0.57; Mn：0.45-0.57。 Zr：0.09-0.16; Zr：0.09-0.16。钛：0.005-0.1;铁：<0.070; Si：<0.060; Si：0.08。 Cu +Mg≤5.15;其他次要元素各为0.05，总和少于0.15，其余为铝。
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