Laser heat treatment is a procedure wherein a laser shaft, with an ordinary spot size between 0.5 × 0.5 in. what's more, 2 × 2 in., lights up the outside of a metal part as a methods for conveying heat to it. The laser vitality is conveyed so as to raise the temperature of the metal's surface and heat-influenced zone (HAZ) over its metallurgical change temperature. At the point when the laser heat source is evacuated, the warm mass of the metal gives quick extinguishing of the heated zone by conductive heat expulsion, bringing about the ideal hardness.
The subtleties of the laser bar's activity can be adjusted to apply exact authority over all parts of the solidifying procedure. Contingent upon geometry, laser heat treatment additionally permits treatment by means of view for territories that are hard to reach by different methods. Laser heat treatment is now and again additionally alluded to as laser solidifying.
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