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Repairing method for nickel-based alloy coating layer on surface of fusion covered spherical core

A technology of nickel-based alloy and repair method, which is applied in the direction of metal material coating technology, coating, metal processing equipment, etc., can solve problems such as cracking, and achieve the effects of fewer processes, stable coating, and simple application methods

Active Publication Date: 2018-03-06
WUZHONG INSTR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at problems such as high cost, harsh working conditions, many processing procedures, time-consuming and laborious operation, and special parts that cannot be effectively repaired in the existing repair process when the coating of the cladding ball core is partially cracked, the present invention provides a paste A method for repairing surface defects of a cladding ball core with nickel-based alloy powder. The purpose of this method is to simplify the operation process, solve the defects caused by the cracking of the local cladding layer of the ball core, and make the basic performance after repairing exceed that of the cladding ball core before cracking.

Method used

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  • Repairing method for nickel-based alloy coating layer on surface of fusion covered spherical core
  • Repairing method for nickel-based alloy coating layer on surface of fusion covered spherical core
  • Repairing method for nickel-based alloy coating layer on surface of fusion covered spherical core

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] ①Surface treatment of the ball core: collect the ball core with defective cladding layer, wear goggles, work gloves, and dust mask, use an angle grinder to polish the defect, and clean the defect, and the sharp corner of the defect Grind to a smooth transition, and then use No. 16 white corundum sand for sandblasting to avoid secondary pollution such as oil stains after cleaning;

[0025] ② Preparation of paste-like nickel-based alloy powder: Wear goggles and a mask, and put 1.75g ​​of abietic acid, 1.25g of palmitic acid, 0.75g of myristic acid, and 1.25g of octanoic acid in a beaker in a physical and chemical laboratory or in a dry and ventilated environment Mix, fully stir with a stirring rod to obtain 5g active agent; add 28g tripropylene glycol methyl ether, 42g dipropylene glycol to mix in the beaker, fully stir with a stirring rod; add 25g benzotriazepam to the beaker and mix, Stir with a stirring bar for 8 minutes to prepare a mixed solution, add 60 g of nickel-...

Embodiment 2

[0030] ①Surface treatment of the ball core: collect the ball core with defective cladding layer, wear goggles, work gloves, and dust mask, use an angle grinder to polish the defect, and clean the defect, and the sharp corner of the defect Grind to a smooth transition, and then use No. 16 white corundum sand for sandblasting to avoid secondary pollution such as oil stains after cleaning;

[0031] ② Preparation of paste-like nickel-based alloy powder: Wear goggles and a mask, mix 1.5g of abietic acid, 1g of palmitic acid, 1.5g of myristic acid, and 1g of octanoic acid in a beaker in a physical and chemical laboratory or in a dry and ventilated environment. Stir fully with a stirring bar to obtain 5g of active agent; add 28g tripropylene glycol methyl ether and 42g dipropylene glycol into the beaker and mix, and fully stir with a stirring bar; then add 25g benzotriazepam to the beaker and mix with Stir with a rod for 5 minutes to prepare a mixed solution, add 60 g of nickel-based...

Embodiment 3

[0035] ①Surface treatment of the ball core: collect the ball core with defective cladding layer, wear goggles, work gloves, and dust mask, use an angle grinder to polish the defect, and clean the defect, and the sharp corner of the defect Grind to a smooth transition, and then use No. 16 white corundum sand for sandblasting to avoid secondary pollution such as oil stains after cleaning;

[0036] ② Preparation of paste-like nickel-based alloy powder: Wear goggles and a mask, mix 2g of abietic acid, 1g of palmitic acid, 1.5g of myristic acid, and 0.5g of n-octanoic acid in a beaker in a physical and chemical laboratory or in a dry and ventilated environment. Stir fully with a stirring bar to obtain 5g of active agent; add 28g tripropylene glycol methyl ether and 42g dipropylene glycol into the beaker and mix, and fully stir with a stirring bar; then add 25g benzotriazepam to the beaker and mix with Stir with a rod for 10 minutes to prepare a mixed solution, add 60 g of nickel-ba...

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Abstract

The invention belongs to the field of surface defect treatment and specifically relates to a repairing method for a nickel-based alloy coating layer on the surface of a fusion covered spherical core.The repairing method comprises the steps: firstly, performing surface treatment on the fusion covered spherical core with defects; then mixing an activator, a solvent and a controlled release formulation according to a proportion, evenly stirring, adding nickel-based alloy powder to prepare paste-shaped nickel-based alloy powder, coating the defect positions with the paste-shaped nickel-based alloy powder, air drying and performing vacuum heat treatment; finally, repairing the defect positions. The repairing method disclosed by the invention has the characteristics that a repaired coating layer is stable, cost is low, work procedures are a few, actual economic application value is high, and the like.

Description

technical field [0001] The invention belongs to the field of surface defect treatment, in particular to a method for repairing a nickel-based alloy coating on the surface of a cladding ball core. Background technique [0002] At present, the laser cladding method is generally used to repair defects. The paper (Tian Feng et al. Research progress of metal material surface cladding methods [D]. Qingdao: Surface Technology Research Institute of Qingdao Institute of Chemical Technology, 2002) mentioned using a variety of methods Such as laser cladding, induction cladding and other methods to repair the metal surface. However, there are many disadvantages in this method: ① high cost of equipment investment; ② harsh operating conditions (including harsh operating environment, operators need to have a certain technical level), many processing procedures, time-consuming and laborious operation; ③ laser cladding is limited by the The shape of the restoration and the repaired part, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C24/10B22F1/00
CPCC23C24/103B22F1/10
Inventor 马玉山何涛刘海波贾华周永兴
Owner WUZHONG INSTR