Metallurgical failure analysis of a horse trailer: A criminal investigation

Following the deaths of three people involved in a vehicular collision with an ejected horse, criminal charges were brought against the horse's owner. Failure analysis was performed on the horse's trailer to determine its roadworthiness. The failure mode of the hinge between the door and f...

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Bibliographic Details
Published in:Journal of failure analysis and prevention 2006-08, Vol.6 (4), p.11-16
Main Author: Niebuhr, D V
Format: Article
Language:English
Subjects:
Crime
Failure analysis
Hinges
Horses
Optical microscopy
Scanning electron microscopy
Trailers
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Summary:Following the deaths of three people involved in a vehicular collision with an ejected horse, criminal charges were brought against the horse's owner. Failure analysis was performed on the horse's trailer to determine its roadworthiness. The failure mode of the hinge between the door and frame became the focus of the investigation. The analysis concentrated on proving whether or not the hinge was broken prior to the collision; that the trailer was not roadworthy; and whether the trailer was capable of safely transporting two horses on a public freeway. Analysis using optical microscopy and the scanning electron microscope indicated the hinge was significantly corroded and mechanically deformed. Additionally, there was evidence of paint on an alleged fresh fracture surface. The results were presented at the trial of the defendant.[PUBLICATION ABSTRACT]
ISSN:1547-7029
1864-1245
DOI:10.1361/154770206X117513