The paper presents general characteristics of the main title metals of iron, titanium and aluminium alloying systems. The nature of their comparative metal characteristics is shown against the background of latest concepts of the periodic system of elements. Examples of particular cases of using the above metals in armored vehicle hulls and body armor are provided.
The paper presents the results of investigation of mechanical properties of titanium alloys with meta-stable beta-structure under static and dynamic loading after different thermal treatment modes. The thermal treatment modes were selected which ensure optimal combination of the toughness and strength characteristics of the material. The technological characteristics of sheet alloy semis and their armor resistance were estimated. The obtained results show that the investigated alloys can be considered as the promising materials for application in those body armor components which are produced by cold sheet stamping.
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