The invention provides a device and a method for follow-up ultrasonic-assisted direct laser deposition of a ceramic reinforced metal matrix composite material, and belongs to the technical field of additive manufacturing. The method comprises the step of adopting a positioning clamping device to keep an ultrasonic impact gun following a coaxial powder feeding nozzle. In the process of direct laserdeposition of the ceramic reinforced metal matrix composite material, ultrasonic cavitation, acoustic streaming, mechanical and thermal effects are utilized to intervene the solidification behavior of a molten pool in real time, and the localized impact strengthening effect of ultrasonic impact is used to control the stress in real time. Compared with the forming method of direct laser deposition, the method can effectively reduce pores inside a sample, and ensure the consistency of the solidified structure and the uniformity of the stress distribution. At the same time, the method has a highutilization rate of ultrasonic energy, and can realize ultrasonic intervention in the forming process of large components.

Device and method for follow-up ultrasonic-assisted direct laser deposition of ceramic reinforced metal matrix composite material

The invention provides a laser cladding device and a laser head for the laser cladding device. The laser cladding device includes a laser head body, wherein the laser head body is provided with a direct current electromagnet, the direct current electromagnet is in a U shape, the two ends of the direct current electromagnet are arranged oppositely and correspondingly located on the left side and the right side of the lower end of the laser head body, and conducting probes are correspondingly arranged on the front side and the rear side of the laser head body and are used for contacting with a substrate to be clad. The technical problem that the pot hole phenomenon of the substrate occurs due to laser cladding is solved.

Laser cladding device and laser head for laser cladding device

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Laser cladding device and laser head for laser cladding device