Researchers from Omsk State Technical University have developed a new way to evaluate the durability of structures made from AMg6, a popular aerospace alloy. The work of scientists was published in the Omsk Scientific Bulletin.
AMg6 is an aluminum-magnesium wrought alloy. It is plastic and corrosion resistant, which allows it to be widely used in the aerospace industry – for example, ISS module cases and rocket fuel tanks are made from it. However, it may collapse due to temperature difference.
The technique of Russian scientists uses a mathematical model that allows to predict the durability of the alloy during prolonged exposure. In particular, the model determines the load on the structure of an orbital object in a wide range of negative and positive temperatures up to the moment of cracking and depressurization.
While current durability assessment methods involve many years of testing under conditions as close to reality as possible, the new development allows products designed for many years of use to be evaluated in just a few days. The scientists note that the technique can also be applied to other alloys and metals.
Source: Ferra
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