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俄罗斯研制的变形铝锂合金１４２０具有优良的力学性能和抗腐蚀性能。本文介绍了这种合金的主要性能特点以及其发展历程和最新应用情况，并提出了存在的问题和今后的发展方向。
Russia has developed a modified aluminum lithium alloy 1420 has excellent mechanical properties and corrosion resistance. This article describes the main performance characteristics of this alloy as well as its development and application of the latest situation, and put forward the existing problems and future development.