FIELD: metallurgy; metal working of parts.
SUBSTANCE: method involves upsetting of the surface using one tool and its subsequent levelling using another tool with specific advance of the tools. The levelling is performed using a tool at a certain apex angle, rate, pressure, and current density. The levelling tool path lags behind the upsetting tool path.
EFFECT: increased life of products due to better layer adhesion, with simultaneous strengthening of surface layer.
1 dwg
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