美国导弹与空间公司等单位联合研制成功了一种新铝合金。这种铝合金是由耐高温的粉末铝合金和低密度高强度的铝—锂合金组成。其重量轻、强度大、耐高温。在343℃时仍然保持着室温时的强度。新铝合金已经用在军用飞机和民用飞机上,其重量比普通铝合金降低20～30％,而且更安全可靠。 United States missile and space company and other units jointly developed a new aluminum alloy. This aluminum alloy is made of high temperature resistant powder aluminum alloy and low density high strength aluminum-lithium alloy. Its light weight, high strength, high temperature. At 343 ℃ still maintain the strength at room temperature. The new aluminum alloy has been used in military aircraft and civilian aircraft, its weight is reduced by 20 to 30% than the average aluminum alloy, but also more secure and reliable.