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Special cobalt-base metal ceramic alloy powder for guillotine laser cladding

A laser cladding and ceramic alloy technology, applied in the field of alloy powder, can solve the problems of easy wear and chipping of the guillotine blade, and achieve the effects of avoiding chipping, prolonging service life, improving strength and impact resistance

Inactive Publication Date: 2013-10-02
张家港和昊管理咨询有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A guillotine generally includes a bottom groove and a knife. One end of the knife is hinged on the bottom groove, and the other end has a handle, which can be used to cut hard objects such as metal sheets. After a long-term use of the guillotine, the blade of the guillotine is prone to wear, chipping, etc. defect

Method used

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  • Special cobalt-base metal ceramic alloy powder for guillotine laser cladding

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Experimental program
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Effect test

Embodiment 1

[0021] Fully mechanically mix 110g titanium carbide, 1g carbon, 40g calcium fluoride, 10g silicon nitride, 60g iron, 50g chromium, 20g zirconium, 10g vanadium, 20g silicon, 8g manganese, and 671g cobalt to obtain 100-200 mesh cobalt base Cermet alloy powder.

Embodiment 2

[0023] Fully mechanically mix 130g titanium carbide, 4g carbon, 60g calcium fluoride, 30g silicon nitride, 90g iron, 70g chromium, 40g zirconium, 30g vanadium, 40g silicon, 12g manganese, 494g cobalt to obtain 100-200 mesh cobalt base Cermet alloy powder.

Embodiment 3

[0025] Fully mechanically mix 120g titanium carbide, 3g carbon, 50g calcium fluoride, 20g silicon nitride, 80g iron, 60g chromium, 20g zirconium, 20g vanadium, 30g silicon, 10g manganese, and 587g cobalt to obtain 100-200 mesh cobalt base Cermet alloy powder.

[0026] The mixed metal alloy powder in this embodiment 3 is evenly ejected from the powder injection hole of the laser head, the powder feeding direction of the metal ceramic alloy powder is coaxial with the laser beam, the laser wavelength of the laser is 1.06 μm, and the output power is 4000W. The running speed is 3m / min, and the single track width is 2mm. The guillotine obtained by laser cladding is mechanically tested to obtain the following data: (the distance in the table below is based on the bottom surface of the cladding layer as the base plane, positive above the base plane, and negative below the base plane)

[0027]

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Abstract

The invention discloses a special cobalt-base metal ceramic alloy powder for guillotine laser cladding, which comprises the following components in percentage by weight: 11-13% of titanium carbide, 0.1-0.4% of carbon, 4-6% of calcium fluoride, 1-3% of silicon nitride, 6-9% of iron, 5-7% of chromium, 2-4% of zirconium, 1-3% of vanadium, 2-4% of silicon, 0.8-1.2% of manganese and the balance of Co. The cobalt-base metal ceramic alloy powder is specially used for guillotine laser cladding, reduces bubbles, cracks and shrinkage void defects on the cladding layer, and enhances the hardness, strength and shock resistance of the guillotine.

Description

technical field [0001] The invention relates to an alloy powder, in particular to a cobalt-based cermet alloy powder specially used for laser cladding of guillotine knives. Background technique [0002] Laser has the characteristics of high brightness, high directionality, high monochromaticity and high coherence, and is now being used in more and more fields. Laser cladding is one of the surface treatment technologies. In a nutshell, the principle of laser cladding is to use high-energy laser beams to irradiate the surface of metal materials, the surface of the substrate is melted rapidly, the liquid metal forms a small-scale molten pool, and new powder materials are filled at the same time. , the original metal material is mixed with the added powder to form a new layer of liquid metal. After the laser beam passes through, the liquid metal layer is rapidly cooled to form a solid cladding layer on the metal surface. A guillotine generally includes a bottom groove and a kn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10C22C32/00
Inventor 柳岸敏张翀昊朱小虎邵国峰王小红肖彩梅
Owner 张家港和昊管理咨询有限公司
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