<p>Researchers from the Belgorod State University and the Skolkovo Institute of Science and Technology in Russia have studied aluminum alloys at the atomic level and found patterns that will help improve their structure. The findings will be useful for developing new alloys for modern aircraft. According to Marat Gazizov, senior researcher at the BSU Laboratory of Mechanical Properties of Nanostructured and Heat-Resistant Materials, the study focused on the Al-Cu-Mg-Ag system used for the wing and fuselage skin. The aluminum alloys used in aircraft structures have a wealth of advantages, such as small weight and resistance to wear and fracture at elevated temperatures, as well as cyclic and shock loads.</p><p>Aluminum is combined with copper (Cu), magnesium (Mg), silver (Ag) and some other elements to achieve the desired properties. This process called alloying can significantly enhance the strength of the material treated by specific thermal or thermomechanical methods. Al-Cu-Mg-Ag alloying helps obtain high heat resistance alloys, but according to the project lead, the evolution of the alloy’s structure and mechanical properties in various thermal or thermomechanical treatment modes and operating conditions is still not well understood, which explains the choice of topic for this study.</p><p>The alloys are used as a structural material for parts and assemblies exposed to elevated temperatures, which calls for a unique combination of strength, fracture toughness, and high fatigue crack growth resistance.</p><p>The study published in the journal Materials Characterization enhances the understanding of the unique mechanical properties and structure of aluminum alloys. The combination of mechanical properties obtained by the team will help extend the lifetime of aircraft structures made from these materials.</p>
<p>Researchers from the Belgorod State University and the Skolkovo Institute of Science and Technology in Russia have studied aluminum alloys at the atomic level and found patterns that will help improve their structure. The findings will be useful for developing new alloys for modern aircraft. According to Marat Gazizov, senior researcher at the BSU Laboratory of Mechanical Properties of Nanostructured and Heat-Resistant Materials, the study focused on the Al-Cu-Mg-Ag system used for the wing and fuselage skin. The aluminum alloys used in aircraft structures have a wealth of advantages, such as small weight and resistance to wear and fracture at elevated temperatures, as well as cyclic and shock loads.</p><p>Aluminum is combined with copper (Cu), magnesium (Mg), silver (Ag) and some other elements to achieve the desired properties. This process called alloying can significantly enhance the strength of the material treated by specific thermal or thermomechanical methods. Al-Cu-Mg-Ag alloying helps obtain high heat resistance alloys, but according to the project lead, the evolution of the alloy’s structure and mechanical properties in various thermal or thermomechanical treatment modes and operating conditions is still not well understood, which explains the choice of topic for this study.</p><p>The alloys are used as a structural material for parts and assemblies exposed to elevated temperatures, which calls for a unique combination of strength, fracture toughness, and high fatigue crack growth resistance.</p><p>The study published in the journal Materials Characterization enhances the understanding of the unique mechanical properties and structure of aluminum alloys. The combination of mechanical properties obtained by the team will help extend the lifetime of aircraft structures made from these materials.</p>
