The article presents results of conducted analyzes and laboratory experiments. During the forge tests a large amount of scale was observed during the forging process. Scale comes from the forging material C45 . Laboratory tests have been conducted - can scaling can affect abrasive wear. During the study, magnetic field was observed. Laboratory tests or magnetic fields have also affected the change in wear patterns. Tool tests have also seen a decrease in hardness as a result of long work. With the help of thermographic studies, laboratory conditions were determined. The 1.2344 tool steel was heated at different temperatures for a long time to see how the hardness changes in the top layer. The article presents the results of microhardness changes in the surface layer for these tests.Keywords: hot forging die, wear mechanism, forging, laboratory test.
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