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In the present work, molecular dynamics simulations were used to investigate the impact of the tool microstructure on the wear behavior of ferrite workpiece during nanoscratching. The tool microstructure was modified by varying the carbide (cementite) contents. The simulation results show that dislocations are the primary mechanism for plastic deformation of the workpiece material. It is found that...
In many metal forming operations, frictional heating occurs at the interface due to a sliding contact. Generally, the controlling wear mechanism in the tribological system is attributed to adhesive wear. Understanding of the influence of temperature on wear mechanisms is needed for the development of materials and for optimization of the forming process. Dry sliding tests were conducted at different...
The drive to reduce lubrication in sheet metal forming (SMF) operations has increased the interest to study the contact between polished tool materials sliding over relatively rough sheet surfaces. Commonly, transfer of sheet material to the tool surface occurs by adhesive wear. In the present work, a study of wear showed that the origination of the damage was complex and several simultaneous wear...
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