| 摘要 |
<p>The invention relates to a strip or sheet of aluminum alloy, comprising at least 80 % by weight of aluminium and 0.01 to 0.5 % yttrium and/or 0.05 to 0.5 % bismuth, coated on at least one face with a welding alloy. Said sheets and strips are used for the production of pieces by non-flux welding.</p> |
