| 摘要 |
<p>Wrought articles of Al-Cu-Mg alloy containing up to about 5% copper and up to about 2% magnesium as the principal alloying elements by weight, within limits effective to achieve substantially single phase structure, and exhibiting improved fracture toughness in -T8XX condition; also, related practices and improved alloy compositions for making such articles, including plate.</p> |
