Structure-Phase States of Al-Si Alloy after Electron-Beam Treatment and Multicycle Fatigue

Processing of Al-19.4Si alloy by high intensive electron beam has been carried out and multiple increases in fatigue life of the material have been revealed. Investigations of structure and surface modified layer destruction of Al-19.4Si alloy subjected to multicycle fatigue tests to fracture have been carried out by methods of scanning electron microscopy. The factors responsible for the increase of fatigue life of Al-19.4Si alloy have been revealed and analyzed.

Authors:

• Krestina V. Alsaraeva
• Victor E. Gromov
• Sergey V. Konovalov
• Anna A. Atroshkina

Keywords:

• Al-19.4Si alloy
• high intensive electron beam
• multicycle fatigue
• structure.

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