Analysis of the residual stress in ARMOX 500T armour steel and numerical study of the resultant ballistic performance

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dc.contributor.authorSaleh, Men_AU
dc.contributor.authorLuzin, Ven_AU
dc.contributor.authorKariem, MMen_AU
dc.contributor.authorRuan, Den_AU
dc.date.accessioned2017-02-21T02:11:26Zen_AU
dc.date.available2017-02-21T02:11:26Zen_AU
dc.date.issued2016-07-03en_AU
dc.date.statistics2017-02-21en_AU
dc.description.abstractArmour steels and their response to ballistic and blast threats have been dutifully studied in light of increased conflict and advances in protection levels. The strength of these quenched and tempered martensitic steels is a result of micro alloying, Ni Cr, and Mn, a combination of hot and cold rolling of the steel and proprietary heat treatments. The resultant hardness and toughness are pronounced and are reflected in the ballistic performance of the steel, although the role of the residual stress (RS) has not been unambiguously confirmed. To elucidate the effects of the RS on ballistic properties a two-step study was performed. Firstly, stress measurements were carried out on ARMOX 500T on the RS diffractometer KOWARI at ANSTO on a 8.3 mm thick plate. Stress components in rolling and transverse directions were calculated. Using the experimentally measured stress profiles as an input, numerical analysis was carried out on the ballistic response of the plate to the 7.62 mm APM2 round. Since numerical modelling inherently require the evaluation of material properties at elevated strain rates, to gauge the impact driven stress-strain response, the material’s responses were derived using experiments utilising quasi-static testing and instrumented high strain rate experiments using the Split Hopkinson Pressure Bar (SHPB) at Swinburne University, Australia. These experimentally determined high strain rate data were incorporated into the Johnson-Cook (J-C) computational models for the flow stress along with literature sourced parameters for the failure model of the plate. Analysis of the two starting conditions, with and without residual stress, allows the authors to draw some conclusion about the role of the residual stress on the ballistic performance of ARMOX 500T armour steel. © 2017 The Authors.en_AU
dc.identifier.booktitleMaterials Research Proceedingen_AU
dc.identifier.citationSaleh, M., Luzin, V., Kariem, M.M., & Ruan, D. (2016). Analysis of the Residual Stress in ARMOX 500T Armour Steel and Numerical Study of the Resultant Ballistic Performance. Paper presented to the 10th International Conference on Residual Stresses (ICRS 10), Sydney, Australia, 3-7 July, 2016. In T. M. Holden, T. M., O. Muránsky, & L. Edwards (Eds) (2017). Residual stresses ICRS-10. Millersville, USA: Materials Research Proceedings, Vol. 2, 437-442. doi:10.21741/9781945291173-74en_AU
dc.identifier.conferenceenddate7 July 2016en_AU
dc.identifier.conferencenameInternational Conference on Residual Stresses 2016: ICRS-10en_AU
dc.identifier.conferenceplaceSydney, Australiaen_AU
dc.identifier.conferencestartdate3 July 2106en_AU
dc.identifier.govdoc7912en_AU
dc.identifier.isbn978-1-94529117-3en_AU
dc.identifier.pagination437-442en_AU
dc.identifier.urihttp://www.mrforum.com/product/9781945291173-74/en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/8324en_AU
dc.identifier.urihttp://dx.doi.org/10.21741/9781945291173-74en_AU
dc.identifier.volume2en_AU
dc.language.isoenen_AU
dc.publisherMaterials Research Forum LLCen_AU
dc.subjectResidual stressesen_AU
dc.subjectSteelsen_AU
dc.subjectDiffractometersen_AU
dc.subjectSimulationen_AU
dc.subjectStrain rateen_AU
dc.subjectMaterialsen_AU
dc.titleAnalysis of the residual stress in ARMOX 500T armour steel and numerical study of the resultant ballistic performanceen_AU
dc.typeConference Paperen_AU
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