将传统的因瓦合金成分进行改进之后,制得超因瓦合金。超因瓦合金由于其自身极低的线性膨胀系数受到广泛关注。本文通过对超因瓦合金物理性能以及工程应用方面的事例来分析该合金的优缺点及其工程应用范围。 After the traditional composition of Invar alloy to be improved, the super Invar alloy. Super Invar alloy because of its very low linear expansion coefficient has been widespread concern. This article analyzes the advantages and disadvantages of the super Invar alloy physical properties and engineering applications in the field of engineering applications.