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Cobalt-based metal ceramic alloy powder dedicated to laser cladding of stamping die

A technology of laser cladding and stamping dies, which is applied in the field of alloy powder, can solve the problems of high cost of stamping dies, achieve the effects of prolonging service life, improving wear resistance and reducing costs

Active Publication Date: 2013-10-02
CHANGZHOU TIANZHENG IND DEV CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, if the entire stamping die is made of materials that meet the above mechanical properties, the cost of the stamping die will be very high

Method used

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  • Cobalt-based metal ceramic alloy powder dedicated to laser cladding of stamping die

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Embodiment 1

[0021] Mix 120g of silicon carbide, 3g of carbon, 40g of calcium fluoride, 40g of silicon nitride, 10g of boron, 220g of chromium, 3g of vanadium, 50g of iron, 120g of molybdenum, 10g of manganese, and 384g of cobalt to obtain 100-200 mesh cobalt-based metals Ceramic alloy powder.

Embodiment 2

[0023] Mix 140g of silicon carbide, 5g of carbon, 60g of calcium fluoride, 60g of silicon nitride, 30g of boron, 270g of chromium, 7g of vanadium, 70g of iron, 180g of molybdenum, 14g of manganese and 164g of cobalt to obtain 100-200 mesh cobalt base Cermet alloy powder.

Embodiment 3

[0025] Mix 130g of silicon carbide, 4g of carbon, 50g of calcium fluoride, 50g of silicon nitride, 20g of boron, 250g of chromium, 5g of vanadium, 60g of iron, 150g of molybdenum, 12g of manganese, and 269g of cobalt to obtain 100-200 mesh cobalt-based metals Ceramic alloy powder.

[0026] The cermet alloy powder mixed in this embodiment 3 is evenly ejected from the powder injection hole of the laser head, the powder feeding direction of the cermet alloy powder is coaxial with the laser beam, the laser wavelength of the laser is 1.06um, and the output power is 4000W , the running speed is 3m / min, and the single track width is 2mm. The parts of the stamping die that need to be laser clad are generally the working surfaces such as the shearing part of the stamping die, the forming surface, and the cavity. The stamping die obtained by laser cladding is mechanically inspected to obtain the following data: (the distance in the table below is based on the bottom surface of the clad...

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Abstract

The invention discloses cobalt-based metal ceramic alloy powder dedicated to laser cladding of a stamping die. The cobalt-based metal ceramic alloy powder comprises the following components in percentage by weight: 12-14 percent of silicon carbide, 0.3-0.5 percent of carbon, 4-6 percent of calcium fluoride, 4-6 percent of silicon nitride, 1-3 percent of boron, 22-27 percent of chromium, 0.3-0.7 percent of vanadium, 5-7 percent of ferrum, 12-18 percent of molybdenum, 1.0-1.4 percent of manganese, and the balance of cobalt. The cobalt-based metal ceramic alloy powder is dedicated to the laser cladding of the stamping die, the compactness of metal structures of the stamping die is improved, and the defects of air holes, cracks and shrinkage cavities of a cladding layer are reduced, so that the hardness, the strength, the abrasion performance, the corrosion resistance and the heat resistance of the stamping die are improved.

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 stamping dies. 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 scans, the liquid metal layer cools down rapidly to form a solid cladding layer on the metal surface. The stamping die is a tool that makes the blank into a workpiece wit...

Claims

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Application Information

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IPC IPC(8): B22F1/00C23C24/10
Inventor 柳岸敏张翀昊邵国峰顾斌杨健肖彩梅
Owner CHANGZHOU TIANZHENG IND DEV CO LTD
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