The Elemental and Texture Analysis of the Chelyabinsk Meteorite Fragment by Non-Destructive Neutron Methods

Борзаков, С. Б.; Zhomartova, A. Zh.; Ivankina, T. I.; Dmitriev, A. Yu.; Lobachev, V. V.

doi:10.1134/s1547477122020030

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2024

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“…Ho ¨fler et al (1988) were able to infer the temperature range of plastic deformation in iron meteorites from the texture. Borzakov et al (2022) examined the Chelyabinsk meteorite and concluded that the texture is the result of the thermobaric impact of the meteorite when it entered the Earth's atmosphere rather than the movement of the asteroid in the solar system.…”

Section: Introductionmentioning

confidence: 99%

Non-destructive texture characterization by a robot-arm-driven X-ray diffractometer

Sepsi,

Benke,

Mertinger

2024

J Appl Cryst

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The most common methods for texture characterization require cutting a coupon to be inserted into an X-ray texture goniometer or an electron microscope and are, therefore, destructive. However, there are many cases where texture characterization needs to be performed in a non-destructive way, where the measurement can be made without damaging the object. Typical examples are archaeological artefacts or very expensive materials. Here we demonstrate the application of an X-ray diffractometer mounted on a robotic arm designed for residual stress scanning for texture characterization, enabling the determination of the orientation distribution function for different locations on samples with complex geometries. The texture characterization method was benchmarked on a cold-rolled aluminium sheet.

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Section: Introductionmentioning

confidence: 99%