Investigation on the ballistic behavior of a dual phase steel against 7,62 mm armor piercing projectile

It is known that obtaining dual phase in the microstructure of steel cause good formability and high strength. These properties become important at a point of view of terminal ballistic. In this study, using three different temperature values, the ballistic behavior of dual phase specimens which have different martensite volume fractions, was investigated against 7,62 mm armor piercing projectile. Except these steel specimens which have three different martensite volume fractions, one group of specimen was fully annealed and subjected to the same ballistic test, then compared with the dual phase steels. After the ballistic tests, the highest ballistic performance was observed for the group of specimens laminated by ceramics. Additionally, the group of specimens which have the largest martensite volume fractions achieved the best ballistic performance among the monolithic dual phase steels.