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http://dx.doi.org/10.5781/JWJ.2014.32.5.72

Property Evaluation of Kinetic Sprayed Al-Ni Composite Coatings  

Byun, GyeongJun (Division of Materials Science & Engineering, College of Engineering, Hanyang University)
Kim, JaeIck (Division of Materials Science & Engineering, College of Engineering, Hanyang University)
Lee, Changhee (Division of Materials Science & Engineering, College of Engineering, Hanyang University)
Kim, SeeJo (Dept. of Mech. Design Eng., Andong National Univ.)
Lee, Seong (Agency for Defense Development)
Publication Information
Journal of Welding and Joining / v.32, no.5, 2014 , pp. 72-79 More about this Journal
Abstract
Shaped charge(SC) ammunition is a weapon that penetrates directly the target by made jet from metal liner on impacting at a target. In SC, the liner occupies significantly important role causing an explosion and penetration of the target. The Al-Ni composite coating was deposited on copper liner in a solid state via kinetic spraying to improve the explosive force. The mechanical properties, reactivity and microstructure were investigated to confirm the possibility of kinetic sprayed Al/Ni composite coating as a reactive liner material. Reactive liner using Al/Ni composite exhibited much enhanced reactivity than pure copper liner due to Self-propagating High-temperature Synthesis (SHS) reaction with significantly improved adhesive bond strength. Especially, among the Al/Ni composite coatings, AN11 (the Al versus Ni atomic percent ratio is 1:1) showed the greatest reactivity due to its widest reaction area between deposited Al and Ni.
Keywords
Al-Ni composites; Kinetic spraying; Thermal reactivity; Self-propagating High-temperature Synthesis (SHS) reaction; Differential Scanning Calorimetry)(DSC);
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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