Grants and Contributions:

Grant or Award spanning more than one fiscal year (2017-2018 to 2018-2019).

The collaborative NSERC Engage research project undertaken by the University of Windsor and Novelisx000D
researchers resulted in providing an new and efficient method for measuring the amount of aluminumx000D
transferred to the tool surfaces during shearing and punching of aluminum sheets. The use of this methodx000D
based on white light interferometry will allow to determine Al galling rate as a function of processx000D
parameters, such as clearance percentage, angle, pressure and using different lubrication strategies.x000D
Furthermore a correlation was established between the cut edge features (burnish and shear fracture) and thex000D
galling volume increase with the number of press cycles. The NSERC Engage Plus program is intended tox000D
build on these achievements improve our understanding of Al galling problem.x000D
The objectives of the proposed research include i) studying the effect of variation in clearance and lubricant onx000D
Al galling and trimmed edge features; ii) investigation of the influence of mechanical properties of thex000D
aluminum sheets on the trimmed edge quality; iii) use of carbon based tool coatings in conjunction with thex000D
appropriate selection of lubricants which to mitigate galling improve the tool life as well as the sheared edgex000D
quality.