FIELD: electricity.
SUBSTANCE: brittle strain-sensitive coating is deposited on the surface of an article; the coating is hardened; the article is loaded and the area and direction of plastic deformations are determined from the formed cracks using acoustic emission sensors. The brittle strain-sensitive coating used is a caramel-based coating made from a mixture containing water and sugar, with the following ratio of components, wt %: water 65-75, sugar 25-35.
EFFECT: enabling determination of stress and deformation using brittle coatings, eliminating harmful effect on the environment.
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