The parts were marked using a 20-watt q-switched ytterbium fiber laser with a 160 mm focal length lens. The parts were engraved, to create contrasting marks on the material. The parameters for both the carbide and steel samples were the same. They were marked at a speed of 10 inches per second with a frequency of 25kHz, using approximately 16 watts of power. Three passes were required to create the marks, resulting in cycle times of 3.92 seconds and 1.63 seconds for the bold text and the narrow text, respectively.

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