Author:U Koster
Institute: Department of Chemical Engineering, University of Dortmund, D-44221 Dortmund, Germany
Corrosion is one of the main problems that engineers and materials scientists face in their work. It can lead to significant destruction of materials and structures, which has serious consequences both in industry and in everyday life. However, in recent decades, scientific research in the field of new materials has led to the discovery and use in engineering and technical applications of so-called quasicrystals, which have unique properties.
Quasicrystals such as aluminum-copper-iron alloys (Al-Cu-Fe) are interesting objects of study due to their irregular crystal structure. Unlike ordinary crystals, quasicrystals do not have periodicity in the arrangement of atoms. This leads to the formation of a new phase of material with unusual mechanical and physical properties. However, like any other material, quasicrystals are susceptible to corrosion. Due to their complex structure and composition, the corrosion behavior of Al-Cu-Fe quasicrystals requires further study and understanding. In this regard, many studies have been conducted to evaluate and understand the corrosion mechanisms in these materials.
To begin with, it is important to understand what external factors can influence the corrosion behavior of Al-Cu-Fe quasicrystals. Humidity, temperature and the concentration of various chemical solvents can significantly affect the rate of corrosion. Moreover, the behavior of quasicrystals can be influenced by various mechanical stresses, such as loads and deformations, as well as the presence of external micro- and macro-defects.
Research has shown that corrosion in Al-Cu-Fe quasicrystals can occur through various mechanisms. One of these mechanisms is the adsorption and reaction of atoms of one of the alloy components with the environment. Another mechanism may be associated with electrochemical reactions on the surface of the material. To fully understand these processes, it is necessary to conduct detailed studies using modern methods of surface analysis and characterization.
In addition, it is important to consider that corrosion of Al-Cu-Fe quasicrystals can have both negative and positive effects. For example, some researchers have found that corrosion processes can lead to an increase in the mechanical strength and hardness of quasicrystals. Such results can be used to create new materials with improved properties.
The corrosion behavior of Al-Cu-Fe quasicrystals is a complex and multifaceted problem that requires further research and understanding. The study of corrosion mechanisms and the influence of external factors on the formation of corrosion in these materials is an urgent task in the field of materials science. Correct understanding and control of corrosion processes in Al-Cu-Fe quasicrystals can lead to the development of new materials with improved properties and expanded their use in various industries and technologies.