High hardness, high toughness iron-base alloys and methods...

Details High hardness, high toughness iron-base alloys and methods... High hardness, high toughness iron-base alloys and methods...

C - Chemistry, Metallurgy

22

C

C22C 38/00 (2006.01) C21D 8/00 (2006.01)

Patent

CA 2694052

One aspect of the present disclosure is directed to low-alloy steels exhibiting high hardness and an advantageous level of multi-hit ballistic resistance with minimal crack propagation imparting a level of ballistic performance suitable for military armor applications. Certain embodiments of the steels according to the present disclosure have hardness in excess of 550 HBN and demonstrate a high level of ballistic penetration resistance relative to conventional military specifications.

Dans un aspect, l'invention concerne des aciers faiblement alliés présentant une dureté élevée et un niveau avantageux de résistance balistique multi-frappe avec un minimum de propagation de fissures imprimant un niveau de performance balistique qui convient pour des applications de blindage militaires. Certains modes de réalisation de ces aciers possèdent une dureté qui dépasse 550 HBN et présentent un haut niveau de résistance à la pénétration balistique par rapport aux spécifications militaires classiques.

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