نبذة مختصرة : The bonding strength of an enamel reaction-cured coating on the heat-resistant nickel alloy VZh171 was investigated by means of sclerometry. The threshold load required for cracks to appear in a coating was determined. The values obtained are high for this type of material and correspond to the level typical for chromium and nickel coatings. The results of a microstructural analysis of the tested samples are also presented. The defects arising in each incremental load zone are described in detail.
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