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Radial cracks are fractures extending outward from the point of impact. Ream is an imperfection; nonhomogeneous layers of flat glass. Wallner lines (ridges) are rib-shaped marks with a wave-like pattern.
21 paź 2018 · It explains methods for physical and chemical matching of glass, including examining refractive index, density, and fracture markings. It provides examples of common fracture patterns like radial and concentric fractures. In summary, the document serves as an introduction to the forensic analysis of glass evidence.
26 sty 2011 · Abstract. The topographical features which appear on the fracture surfaces of broken glass objects and the resulting crack patterns which develop are Nature’s documentation of the fracture event. They are considered after a brief discussion of glass strength.
The impact of the bullet or stone causes two special types of fractures, namely termed as radial and concentric (also known as spiral) fractures as demonstrated in Fig. 1. As the high velocity...
1.1 Fracture features on the surface of a crack reflect the nature and course of the fracture event associated with the breakage of a glass object. This practice is a guide to the identification and interpretation of these fracture surface fea-tures.
This document provides information on the analysis of glass evidence. It contains details on the types of glass, how to determine glass density, and how to differentiate between types of glass fractures.
14 sty 2014 · Fracture analysis is structured with two parts, (1) observe the“footprints” on fracture surface to bring the information of origin and tensile stress, and (2) analyze the information with process information to identify the breakage mechanism.
