Electrolytic etching agent for chromium-zirconium-copper alloy and electrolytic etching method
An etchant, chromium-zirconium-copper technology, applied in the field of electrolytic etchant for chromium-zirconium-copper alloys, can solve problems such as less chromium-zirconium-copper alloys, achieve better bonding force, overcome instability, and improve service life
Active Publication Date: 2016-10-26
GUANGZHOU SANFU NEW MATERIALS TECH
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- Abstract
- Description
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Problems solved by technology
At present, there are many researches at home and abroad on the material of the crystallizer, its surface coating structure and the type of plating solution used, and there are few research reports on the electrolytic etching of chromium-zirconium-copper alloy.
Method used
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Embodiment 1
[0038] The chromium-zirconium-copper alloy electrolytic etchant of the present embodiment is made up of the following components by weight percentage:
[0039]
Embodiment 2
[0041] The chromium-zirconium-copper alloy electrolytic etchant of the present embodiment is made up of the following components by weight percentage:
[0042]
[0043]
Embodiment 3
[0045] The chromium-zirconium-copper alloy electrolytic etchant of the present embodiment is made up of the following components by weight percentage:
[0046]
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The invention relates to an electrolytic etching agent for a chromium-zirconium-copper alloy and an electrolytic etching method. The electrolytic etching agent comprises, by weight, 18-38% of an electrolytic salt, 3-15% of a complexing agent, 1-5% of a regulator, 1-3 % of an activator, 0-1% of a surfactant and the balance water. The electrolytic etching agent for a chromium-zirconium-copper alloy realizes uniform electrolysis of a chromium-zirconium-copper alloy plate under energization so that the chromium-zirconium-copper alloy crystallizer surface with crystal lines and without an oxide film is obtained and thus a bonding capacity of the etched galvanoplastic nickel-cobalt coating and a chromium-zirconium-copper alloy matrix is better, the coating and the matrix are firmly bonded and a crystallizer service life is prolonged.
Description
technical field [0001] The invention relates to the field of metal etching, in particular to an electrolytic etchant and an electrolytic etching method for chromium-zirconium-copper alloys. Background technique [0002] The mold made of chrome-zirconium-copper alloy is the most critical part in continuous casting equipment. In order to improve the service life of the mold, it is necessary to electroform Ni-Co and other alloy coatings on its inner surface. However, the mechanical polishing of the chrome-zirconium-copper alloy plate before electroforming will cause great damage to the substrate, making it difficult to remove impurities on the surface of the substrate. If electroforming is performed directly on the polished surface of the chrome-zirconium-copper alloy, the coating will not be firmly bonded to the substrate. In order to improve the bonding force between the coating and the substrate, it is necessary to etch the chromium-zirconium-copper alloy of the crystallizer...
Claims
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IPC IPC(8): C25F3/02
CPCC25F3/02
Inventor 田志斌郭艳红詹益腾何桂明
Owner GUANGZHOU SANFU NEW MATERIALS TECH
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