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Composite material with titanium diboride intermediate coating

A technology of titanium diboride and intermediate coating, applied in the field of composite materials, can solve the problems of large internal resistance of the coating and high voltage of the electrode tank, and achieve the effects of improving electrical conductivity, low cost and uniform electrode current distribution

Inactive Publication Date: 2014-02-05
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, SnO 2 +Sb 2 o 3 The plating layer still has the problem that the internal resistance is too large, which leads to a high voltage of the electrode tank, which can be measured by SnO 2 +Sb 2 o 3 The minimum matching resistance value is TiB 2 18 times

Method used

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  • Composite material with titanium diboride intermediate coating

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Experimental program
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Embodiment approach 1

[0017] Implementation mode one: if figure 1 As shown, the structure of the composite plate of the present invention is: the outer surface of the base metal plate 1 is coated with an intermediate layer of titanium diboride 2 and a surface active coating 3 in sequence, and the thickness of the intermediate layer of titanium diboride 2 is 0.5 μm. The surface-active coating 3 has a thickness of 1 mm. The base metal sheet 1 is a pure titanium or pure aluminum sheet with a thickness of 0.5 mm. The material of the surface active coating 3 is a multi-system coating composed of lead, manganese and rare earth element oxides, and the specific components are 70wt% lead dioxide, 20wt% manganese dioxide, and 0.1wt% rare earth oxide.

[0018] Degrease and sandblast the 120×120×0.8mm aluminum plate, use H62 hot rolling mill and ZT-45-18Y vacuum hot pressing furnace, the working parameters are hot rolling temperature 400°C, sintering temperature 450°C, vacuum degree 10-2Pa, holding time 4h, ...

Embodiment approach 2

[0019] Implementation mode two: if figure 1 As shown, the structure of the composite sheet of the present invention is: the structure of the composite sheet of the present invention is: the outer surface of the base metal sheet 1 is coated with an intermediate layer titanium diboride 2 and a surface active coating 3 successively, and the intermediate layer two The titanium boride 2 has a thickness of 0.6 μm and the surface-active coating 3 has a thickness of 0.8 mm. The base metal plate 1 is a pure titanium or pure aluminum plate with a thickness of 5 mm. The material of the surface active coating 3 is a multi-system coating composed of lead, manganese and rare earth element oxides, and the specific components are 78wt% of lead dioxide, 30wt% of manganese dioxide, and 4wt% of rare earth oxide.

[0020] Degrease and sandblast the 120×120×0.8mm aluminum plate, use the working parameters of spraying voltage 38V, current 160A, air pressure 0.5MPa, spraying distance 100mm, CDM-162...

Embodiment approach 3

[0021] Implementation mode three: if figure 1 As shown, the structure of the composite sheet of the present invention is: the structure of the composite sheet of the present invention is: the outer surface of the base metal sheet 1 is coated with an intermediate layer titanium diboride 2 and a surface active coating 3 successively, and the intermediate layer two The titanium boride 2 has a thickness of 3 μm and the surface-active coating 3 has a thickness of 0.2 mm. The base metal plate 1 is a pure titanium or pure aluminum plate with a thickness of 5mm. The surface active coating 3 is made of lead and manganese, and the specific components are 90wt% lead dioxide and 10wt% manganese dioxide.

[0022] Degrease and sandblast the surface of the 120×120×0.8mm aluminum plate, use the working parameters of spraying voltage 36V, current 200A, air pressure 0.5MPa, spraying distance 180mm, CDM-1620 arc spraying machine to spray 0.5~3μm thick diboride Titanium intermediate layer, elec...

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Abstract

The invention relates to a composite material with a titanium diboride intermediate coating, and belongs to the technical fields of wet metallurgy and electrochemical metallurgy. An intermediate coating titanium diboride and a surface active coating are orderly coated on the outer surface of matrix sheet metal; the thickness of the intermediate coating titanium diboride is 0.5-3 microns; the thickness of the surface active coating is 0.2-1mm; the matrix sheet metal is a titanium plate or an aluminum plate (pure aluminium, pure titanium, aluminium alloy plate or titanium-alloy plate); the thickness of the matrix sheet metal is 0.5-5mm; the material of the surface active coating is a multi-component system coating consisting of lead, manganese, and rare-earth element oxide, and comprises the following concrete components: 70-90wt% of lead dioxide, 10-30wt% of manganese dioxide, and 0.1-5.0wt% of rare-earth oxide. The composite electrode plate has the advantages of being good in surface associativity, good in conductivity, good in corrosion resistance, low in cost and the like.

Description

technical field [0001] The invention relates to a composite material with a titanium diboride intermediate coating, which belongs to the technical fields of hydrometallurgy and electrochemical metallurgy. Background technique [0002] The extraction of non-ferrous metals is an important pillar industry in the country. Wet electrolysis (electrodeposition) is the main method and one of the future development directions in the field of non-ferrous metal extraction. Electrode is the key material in wet electrolysis (electrodeposition), which is called the "heart" of the electrochemical system. Therefore, the selection and preparation of electrode materials has always been a difficult problem and an important subject of competing research in the wet electrolysis industry and the electrochemical industry. At present, the insoluble anode materials used in hydrometallurgy are mainly lead-based alloy electrodes (referred to as lead electrodes) and titanium-based coating electrodes ...

Claims

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Application Information

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IPC IPC(8): B32B15/04B32B9/04
Inventor 竺培显韩朝辉
Owner KUNMING UNIV OF SCI & TECH
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