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Methodology of Assessing the Quality of Surfaced Layers on the Basis of Internal Welding Imperfections

Janusz Czuchryj

In manufactured or refurbished machinery parts, surfaced layers are often characterised by the presence of welding imperfections, usually reducing the active life of equipment and machinery. The development of an appropriate methodology and the specification of assessment criteria concerning the quality of surfaced layers could facilitate the assessment of surfaced elements in relation to their load transferring capability. The article describes tests involving specimens surfaced using various methods, proposes a methodology of testing the quality of overlay welds on the basis of macroscopic observations and specifies criteria to be applied when assessing the above named quality on the basis of established dependences.

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