Deterioration of various cartridge case compositions in selective environments.

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dc.contributor.advisorMabry, John P.
dc.contributor.authorGibson, Amanda
dc.contributor.committeeMemberChristophe, Deion
dc.contributor.committeeMemberLord, Wayne
dc.date.accessioned2020-07-13T19:00:28Z
dc.date.available2020-07-13T19:00:28Z
dc.date.issued2015
dc.description.abstractFirearm and toolmark analysis has, as its primary function, to determine if a particular ammunition component was fired in, by, or from a particular firearm. Examiners in this discipline can be presented with components that have deteriorated over a period of time. This research sought to determine the likelihood of identification over time, the possibility of establishing a timeline based on different variables, and effectiveness of three restorative techniques, to aid examiners when dealing with corroded cartridge cases. This study includes several variables not tested in previous studies to add to the existing literature. Results indicate that the likelihood of identification is affected by time, firearm used, and cartridge case composition. Scanning electron microscope (SEM) data analysis suggests that a timeline may be possible, but a more extensive study is needed. In addition, the effectiveness of the three restorative techniques appear to be dependent on cartridge case composition, but statistical analysis indicates that Aqua Regia was the most effective reagent for steel cartridge cases.
dc.identifier.oclc(OCoLC)ocn948015044
dc.identifier.other(AlmaMMSId)9982440170502196
dc.identifier.urihttps://hdl.handle.net/11244/325240
dc.rightsAll rights reserved by the author, who has granted UCO Chambers Library the non-exclusive right to share this material in its online repositories. Contact UCO Chambers Library's Digital Initiatives Working Group at diwg@uco.edu for the permission policy on the use, reproduction or distribution of this material.
dc.subject.keywordsBreechface marks
dc.subject.keywordsCartridge case
dc.subject.keywordsDeterioration
dc.subject.keywordsRestoration
dc.subject.lcshForensic ballistics
dc.subject.lcshFirearms
dc.subject.lcshChemical tests and reagents
dc.thesis.degreeM.S., Forensic Science
dc.titleDeterioration of various cartridge case compositions in selective environments.
dc.typeAcademic theses
thesis.degree.grantorJackson College of Graduate Studies
uco.groupUCO - Graduate Works and Theses::UCO - Theses

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