Dëgër (HV lu tollu ci 70-90) ak doole yi (200-300 mpa) ci busbars përëm yi ñoo gëna baax ci busbar aluminium yu sell yi (HV lu tollu ci 20-30, doole yi 50-70 mpa). Ci environmaa yi am vibration bu bari wala stress mekanik (lu melni transit rail), busbars en cuivre ñoo gëna mëna xeex deformation. Waaye, dooley barabu aluminium mën nañu ko gëna yokk suñu ko boole (lu melni yokk magnesium wala silisium). Rendement force bu 6063 aluminium alloy mën na yegg 240MPa, jege niveau bars de cuivre, boole ci tëye poid bu woyof.
Ci wàllu liggéey, ductility bars de cuivre (taux d'elongation 45%-50%) moo tax ñu yomb ñu bënn ak punch, waaye sooy liggéey bars aluminium ci jëmm yu jafee xam, fàww ñu bàyyi xel ci jafe-jafe ressort. Fiil yi dañuy yomba soppiku, te kenn mënu leen wecci ci senaario yu bayaal bi néew wala ñu soxla lëkkaloo yu am doole, lu melni robot joints. Waaye, seen mbañeelu jokkolante ak seen kàttan ngir dindi tàngoor ñoo gëna néew doole yeneen conducteurs yu dëgër yi.