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    Potential Use in Forensics of a Novel Hybrid Gelatin-Dynamic Impact Assessment

    Year: 2018

    Journal: J. Forensic Sci., Volume 63, MAY, page 758–765

    Authors: Zecheru, Teodora; Dena, Alexandru; Cirmaci, Marius; Sau, Ciprian; Zaharia, Catalin; Lazaroaie, Claudiu

    Organizations: Romanian Ministry of Education and Research through UEFISCDI under PARTENERIATE [307/2014]

    Keywords: forensic science; nonlethal ammunition; gelatin-based composite; organs simulant; elastic behavior; ballistics

    Ballistic gelatin as simulant of the human body and organs is a support in forensics. After having obtained very good results for a new gelatin-based composite in terms of physicochemical and rheological properties, this study focused on this material's mechanical behavior during stabbing and shooting versus bovine and porcine organs and standard ballistic gelatin. The hybrid gelatin has a predominantly elastic behavior at 23 degrees C, whereas the elastic modulus becomes practically constant in the 10-0.1 Hz frequency range. In terms of stabbing behavior, the small variations obtained between porcine organs and surrogate are below 5%, the perforation indicating a good similarity. From the ballistic test results using 10 x 28T rubber balls, it has been seen that the hybrid ballistic gelatin conducts to more reliable and reproducible values of perforation/penetration versus standard gelatin, making from it a real candidate for use in forensic tests.
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