俄国轻合金研究所即前苏联的全苏轻合金研究所(VILS),位于莫斯科,隶属航空工业部,对铝-锂合金作了大量的深入的研究与推广应用,其成就居世界前列。合金的成分列于表1,其中一些合金的成分与西方工业发达国家的很相似,俄国生产的铸锭冶金铝-锂合金半成品的规格示于表2。由于锂的密度小,所以向铝中每添加1％锂可使其密度下降约3％,而刚度则可增加6％左 Russian Institute of Light Alloy, the former Soviet Union’s All-Light Institute of Light Alloy (VILS), located in Moscow, under the Aviation Industry Department, made a lot of aluminum-lithium alloy in-depth research and promotion of its achievements in the world. The composition of the alloys is given in Table 1, with some of the compositions of the alloys very similar to those found in the western industrialized countries. The specifications of the ingot metallurgical aluminum-lithium alloy semis manufactured in Russia are shown in Table 2. Due to the low density of lithium, each addition of 1% lithium to aluminum reduces its density by about 3%, while its stiffness increases by 6%