Open AccessInfluence of technological parameters of spraying on mechanical properties of gas-dynamic coatings
Author(s) -
Г. В. Москвитин,
М. С. Пугачев
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/759/1/012018
Subject(s) - materials science , brittleness , copper , tension (geology) , composite material , coating , zinc , nickel , metallurgy , shear (geology) , aluminium , ultimate tensile strength
A methodology for shear and tension “ring tear-off” tests of copper, aluminum, zinc and nickel coatings laid through gas-dynamic spraying has been considered. It has been shown that the shear and tension test methodology permits obtaining dependences of strength of the bond between the coatings and the substrate on their laying temperature. The cohesive strength tension tests of the copper, aluminum, and zinc coatings using the “ring tear-off” method have shown the minimal spread of the values (≤ 5%) at the brittle character of the coating failure, which enhances the plausibility of the obtained mechanical properties.