期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 35, 期 8, 页码 2243-2252出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2014.11.035
关键词
Ceramic armour; Indentation behaviour; Hardness; Plasticity; Ballistic performance
资金
- Engineering and Physical Sciences Research Council (EPSRC) [EP/G37388/1]
- DSTL
- Engineering and Physical Sciences Research Council [EP/K031317/1] Funding Source: researchfish
- EPSRC [EP/K031317/1] Funding Source: UKRI
The Knoop and Vickers indentation behaviour of spark plasma sintered SiC-5 wt.% B4C, B4C and SiC-2.5 wt.% A1N-3 wt.% C armour ceramics have been investigated and observations correlated with ballistic performance. Surface and sub-surface indentation-induced damage has been characterised via cross-sectioning and serial ceramographic polishing techniques. The nature of the damage appears to be less influential than hardness in relation to ballistic performance, but variability in indentation behaviour appears to correlate with variability in ballistic performance. Examination of the indentation size effect curves shows that both Knoop hardness and predicted transition velocities correlate with V50 ballistic performance against an armour-piercing threat, further supporting the importance of hardness and the potential for indentation to be used as a screening method for armour materials. Crown Copyright (C) 2015 Published by Elsevier Limited.
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