Advances in Optical Technologies / 2012 / Article / Tab 1

Research Article

Infrared Camera Analysis of Laser Hardening

Table 1

Emissivities of engraved areas in the range of infrared camera 7.5–13 μm.

f (kHz)/v (mm/s)257153080

500 0.800.710.700.790.900.16
300 0.750.710.750.730.860.21
100 0.690.800.840.830.750.40
50 0.770.820.850.880.800.60
20 0.850.890.920.950.900.79

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