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Electroplating nickel-cobalt-manganese alloy coating on copper plate of continuous casting crystallizer and its preparation process

A technology for continuous casting of crystallizer and crystallizer copper plate, applied in electrodes, electrolysis components, electrolysis process, etc., can solve problems such as increased production cost, and achieve the effect of reducing the number of grains, low porosity, and prolonging service life

Active Publication Date: 2019-06-28
XIXIA LONGCHENG SPECIAL MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the content of Co in this patent is 20~30wt%, and the corresponding production cost is also greatly increased.

Method used

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  • Electroplating nickel-cobalt-manganese alloy coating on copper plate of continuous casting crystallizer and its preparation process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A nickel-cobalt-manganese alloy coating layer electroplated on a continuous casting crystallizer copper plate, comprising a crystallizer copper plate substrate, the surface of the crystallizer copper plate substrate is coated with a Ni-Co-Mn alloy layer, and the Ni-Co-Mn alloy layer contains a coating quality 95% Ni, 4% Co and 1% Mn, the thickness is 0.2mm.

[0030] The preparation technology of electroplating nickel-cobalt-manganese alloy coating on copper plate of continuous casting crystallizer comprises the following steps:

[0031] (1) Pre-treatment of substrate electroplating: degreasing and degreasing, mechanical sandblasting, electrolytic degreasing and degreasing of the copper plate substrate of the continuous casting crystallizer in sequence, fixed electroplating auxiliary tooling, and activated by hydrochloric acid spraying;

[0032] (2) Preparation of electroplating solution: prepare a composite electroplating solution containing nickel-cobalt-manganese allo...

Embodiment 2

[0038] A nickel-cobalt-manganese alloy coating layer electroplated on a continuous casting crystallizer copper plate, comprising a crystallizer copper plate substrate, the surface of the crystallizer copper plate substrate is coated with a Ni-Co-Mn alloy layer, and the Ni-Co-Mn alloy layer contains a coating quality 95.6% Ni, 3.5% Co and 0.9% Mn, with a thickness of 0.5mm.

[0039] The preparation technology of electroplating nickel-cobalt-manganese alloy coating on copper plate of continuous casting crystallizer comprises the following steps:

[0040] (1) Pre-treatment of substrate electroplating: degreasing and degreasing, mechanical sandblasting, electrolytic degreasing and degreasing of the copper plate substrate of the continuous casting crystallizer in sequence, fixed electroplating auxiliary tooling, and activated by hydrochloric acid spraying;

[0041] (2) Preparation of electroplating solution: prepare a composite electroplating solution containing nickel-cobalt-manga...

Embodiment 3

[0047] A nickel-cobalt-manganese alloy coating layer electroplated on a continuous casting crystallizer copper plate, comprising a crystallizer copper plate substrate, the surface of the crystallizer copper plate substrate is coated with a Ni-Co-Mn alloy layer, and the Ni-Co-Mn alloy layer contains a coating quality 96% Ni, 3.5% Co and 0.5% Mn, the thickness is 1mm.

[0048] The preparation technology of electroplating nickel-cobalt-manganese alloy coating on copper plate of continuous casting crystallizer comprises the following steps:

[0049] (1) Pre-treatment of substrate electroplating: degreasing and degreasing, mechanical sandblasting, electrolytic degreasing and degreasing of the copper plate substrate of the continuous casting crystallizer in sequence, fixed electroplating auxiliary tooling, and activated by hydrochloric acid spraying;

[0050] (2) Preparation of electroplating solution: prepare a composite electroplating solution containing nickel-cobalt-manganese al...

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Abstract

The invention discloses a continuous casting crystallizer copper plate electroplating nickel-cobalt-manganese alloy plating layer, and belongs to the technical field of surface treatment. The continuous casting crystallizer copper plate electroplating nickel-cobalt-manganese alloy plating layer comprises a crystallizer copper plate substrate, the surface of the crystallizer copper plate substrateis plated with a Ni-Co-Mn alloy layer, and the Ni-Co-Mn alloy layer contains Ni accounting for 95%-97% of the mass of the plating layer, Co accounting for 2%-4% of the mass of the plating layer and Mnaccounting for 0.1%-1% of the mass of the plating layer. The electroplating nickel-cobalt-manganese alloy plating layer is low in cost, high in hardness and elongation, excellent in high-temperaturecorrosion resistance and wear resistance and suitable for high-drawing-speed intensive-cooling continuous casting production, the cost is decreased by about 25% compared with a nickel-cobalt-iron electroplating layer, and the operation rate of a continuous casting machine can be increased by about 30%.

Description

technical field [0001] The invention belongs to the technical field of surface treatment, and in particular relates to a nickel-cobalt-manganese alloy coating layer electroplated on a copper plate of a continuous casting crystallizer and a preparation process thereof. Background technique [0002] The continuous casting mold is the core equipment of the whole continuous casting production, its quality directly affects the quality of the casting slab and the operating efficiency of the continuous casting machine. However, if the performance of the mold develops in the direction of high casting speed, high mechanical strength, good thermal conductivity, high hardness, high wear resistance and corrosion resistance, the surface of the mold must be treated. Among the many existing crystallizer surface treatment technologies, electroplating technology is still the one with mature technology, less equipment investment, low production cost and high raw material utilization rate. Am...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22D11/059C25D3/56C25D5/34C25D21/14C25D17/10
CPCB22D11/059C25D3/562C25D5/34C25D17/10C25D21/14
Inventor 朱书成徐文柱黄国团效辉
Owner XIXIA LONGCHENG SPECIAL MATERIALS CO LTD
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