Examination of Metals, Alloys, and Metal-Based Products

Methods Used in Metal and Alloy Examination

The analysis of metals and alloys employs modern techniques of forensic chemistry and materials science, including:

• microscopic examination – for studying microstructure, deformation patterns, and defects;

• spectroscopic and chromatographic analysis – for determining chemical composition and identifying impurities;

• physicochemical testing – for assessing strength, corrosion resistance, and other performance characteristics;

• comparative analysis – for establishing the identity of samples and determining their common source of origin.

The combined application of these methodologies enables reliable analysis even when only minimal material is available or when the objects are significantly damaged.

Purpose and Applications of Metal and Alloy Examination

The forensic examination of metals and alloys is widely used across multiple fields:

In criminal investigations

– for cases involving theft, traffic collisions, homicides, and other incidents where determining the origin of metallic objects or traces is essential.

In commercial and construction-related disputes

– for assessing the quality of metal structures, identifying the causes of failures, or determining the presence of material defects.

In technical and industrial examinations

– for verifying compliance with manufacturing standards and technological requirements.

The results of such examinations make it possible to:

• establish whether fragments originated from a single object;

• confirm evidence of contact interactions;

• identify manufacturing defects or non-compliance with material standards;

• provide courts and clients with objective, scientifically validated evidence.

Forensic metallurgical analysis is a reliable tool that combines scientific rigor with practical value, delivering defensible findings for judicial, industrial, and investigative applications.