Comparison of iron aluminide Fe_(3)Al with armour steel in ballistic behaviour OA  

作　　者：Pavel Hanus Milan Pecanac Mirjana Trivkovic Savo Bojic Sebastian Balos 

机构地区：[1]Technical University of Liberec,Faculty of Engineering,Department of Material Science,Studentska 2,CZ 46117,Liberec,Czech Republic [2]University of Novi Sad,Faculty of Technical Sciences,Department of Production Engineering,Trg Dositeja Obradovica 621000,Novi Sad,Serbia [3]University of Novi Sad,Faculty of Technical Sciences,Mechanization and Construction Engineering,Trg Dositeja Obradovica 621000,Novi Sad,Serbia

出　　处：《Defence Technology（防务技术）》2024年第12期183-190,共8页Defence Technology

基　　金：support by the project entitled"Interdisciplinarity in Materials Science and Joining Technologies"from the Department of Production Engineering,Faculty of Technical Sciences Novi Sad,Serbia。

摘　　要：Intermetallic aluminide compounds possess several potential advantages compared to alloyed steels,like enhanced oxidation resistance,lower density and the omittance of critical raw materials.Iron aluminides,compared to other transition metal-aluminides of TM_(3)-Al type,although having a higher density compared to titan-aluminides,have a lower density compared to nickel-aluminides,but also a higher ductility than both alternatives,making this material potentially effective in ballistic protection application.Density-wise,this material may be a worthy alternative to armour steels,which was the aim of this study.Two materials,Fe_(3)Al intermetallic compound(F3A-C)and Armox 500 armour steel were ballistically tested against tungsten-carbide(WC)armour-piercing ammunition,in accordance with STANAG 4569.After ballistic testing,microhardness and metallographic testing were performed,revealing differences in strain hardening,crack propagation mode and exit hole morphology.F3A-C ballistic resistance is similar to that of armour steel,in spite of the lower tensile and impact mechanical properties,relying on a considerably higher strain hardening rate,thermal properties and a lower density.

关 键 词：Iron aluminide Armour steel Ballistic testing Impact testing Sem microscopy 

分 类 号：TJ04[兵器科学与技术—兵器发射理论与技术] V252[一般工业技术—材料科学与工程] TG142.1[航空宇航科学与技术—航空宇航制造工程]