Fig 1.
(a) Sample schematic [units in mm] (b) Side view of stack with bolt arrangement prior to cutting.
Fig 2.
SEM results (×250 magnification) secondary electron 15kV for layers 1 (top) to 7 (bottom).
Fig 3.
SEM results of cut edge (×500 magnification) secondary electron 15kV for layers 1 (top) to 6 (bottom).
Fig 4.
SEM ×2000 Zoom at cut edge.
Fig 5.
SEM results of mid-section (away from cut) (×500 magnification) secondary electron 15kV.
Fig 6.
Layers joined in various laser cutting stack sizes (Black loose, Red joined to layer beneath).
Fig 7.
B-H (Flux Density & Magnetizing Force) curve for samples produced by laser cutting stacks.
Fig 8.
Absolute losses of laminations.
Fig 9.
Percentage increase in losses of laminations after different cutting procedures.