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TWO-LAYER MULTI-STRAND CABLE HAVING AN IMPROVED SURFACE ENERGY-TO-BREAK
TWO-LAYER MULTI-STRAND CABLE HAVING AN IMPROVED SURFACE ENERGY-TO-BREAK
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机译：双层多链电缆具有改进的表面能量折断
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摘要
The invention relates to a multi-strand cable (50) comprising a cable inner layer (Cl) consisting of K=1 inner strand (Tl) that has two plies (C1, C3), the inner ply (C1) consisting of Q inner metal wires (F1) and the outer ply (C3) consisting of N outer metal wires (F3), and a cable outer layer (CE) consisting of L>1 outer strands (TE) that have two plies (CT, C3') and are wound around the inner layer (Cl) of the cable, the inner ply (C1) consisting of Q' inner metal wires (FT) and the outer ply (C3') consisting of N' outer metal wires (F3'). The cable (50) has a surface energy-to-break ES > 145 N.mm-1, with ES = ∑fSt Fmi x ∑fSt Ati/Ncx Cfrag/D, where ∑fSt Fmi is the sum of the forces at rupture for Nc wires, ∑fSt Ati is the sum of the total elongation of the Nc wires, Cfrag is the coefficient of embrittlement of the cable (50), and D is the diameter of the cable (50).
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机译：本发明涉及一种多链电缆（50），包括由具有两个层（C1，C3）的k = 1内股（T1）组成的电缆内层（C1），包括Q内部的内层（C1），包括Q内由N外金属线（F3）组成的金属线（F1）和外层（C3），以及由具有两层（CT，C3'）的L> 1外股（TE）组成的电缆外层（CE）并缠绕在电缆的内层（CL）周围，由Q'内金属线（FT）和由N'外金属线（F3'）组成的外层（C3）组成的内层（C1）。电缆（50）具有表面能量 - 断裂ES> 145 n.mm-1，具有ES =ΣFSTF Mi xΣfsta ti / n cx cfrag / d，其中σfstf mi 是NC线破裂的力之和，σfsta ti 是总和在NC线的总伸长率中，CFRAG是电缆（50）的脆化系数，D是电缆（50）的直径。
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