Structural Changes in the Surface of a Heterogeneous Body (Xenolite) under Friction

V. I. Vettegren’; A. V. Ponomarev; R. I. Mamalimov; I. P. Shcherbakov; V. B. Kulik; V. A. Ermakov

doi:10.1134/S1063783418100311

Structural Changes in the Surface of a Heterogeneous Body (Xenolite) under Friction

Autores: Vettegren’ V.I.¹, Ponomarev A.V.², Mamalimov R.I.¹, Shcherbakov I.P.¹, Kulik V.B.¹, Ermakov V.A.²
Afiliações:
1. Ioffe Institute
2. Schmidt Institute of Physics of the Earth
Edição: Volume 60, Nº 10 (2018)
Páginas: 2026-2029
Seção: Mechanical Properties, Physics of Strength, and Plasticity
URL: https://ogarev-online.ru/1063-7834/article/view/204098
DOI: https://doi.org/10.1134/S1063783418100311
ID: 204098

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The structure of the surface layer of a heterogeneous solid body (xenolite) before and after friction is studied by infrared and Raman spectroscopy. Before friction, the layer contained hornblende and pyroxene crystals. The friction resulted in partial transformation of pyroxenes into hornblende and the latter was transformed into montmorillonite clay. The xenolite surface is covered with a ~60-nm-thick layer of water.