ABOUT METAL RESEARCH
IN THE PRODUCTION OF AUTOMATIC TECHNICAL EXPERTISE
Tatiana V. Kislova
Senior Lecturer, Department of Forensic Examination and Physical Materials Science,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation
Konstantin O. Smirnov
Senior Lecturer, Department of Forensic Examination and Physical Materials Science,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation
Abstract. Quite often, traffic accidents occur due to a sudden failure of the steering,
undercarriage or brake system of a car associated with the technical condition of vehicles. In
this case, various parts of vehicles (steering, springs, wheels, couplers and braking system,
etc.) are destroyed. However, destruction of these parts can also occur as a result of traffic
accidents, for example, in a collision or rollover. Therefore, in cases of road accidents, an
auto-technical examination is appointed. It is important for making an informed and objective
decision on the case to clarify the reasons for the destruction of parts that affect the safety of
the vehicle, and the establishment of the time for the occurrence of these malfunctions.
Conducting a metallographic expertise, which in most cases is auxiliary, can significantly help
the investigation and the court, when solving these issues. Its conclusions are supplemented
and specified by the conclusions of another examination, for example, auto-technical. The
paper outlines the scheme and stages of research of products made of metals and alloys
performed by experts in the production of automotive expertise to establish a causal relationship
between the technical condition of the vehicle and the mechanism of traffic accidents.
Key words: metallographic expertise, microstructure, fractographic analysis, traffic accidents,
causes of part destruction.
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