Corrosion-resistant metal ceramic and preparation method thereof

A cermet, corrosion-resistant technology, applied in the field of ceramic materials, can solve the problems of cermet low-temperature strength, unsatisfactory strong alkali corrosion resistance, etc.

Inactive Publication Date: 2019-08-09
长沙如洋环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cermet material has strong corrosion resistance, and the raw material is easy to obtain, and the cost of the raw material is also low; the production process is simple, which reduces the production cost; in addition, the cermet material also has short production cycle and good high temperature resistance advantages, but the low-temperature strength and strong alkali corrosion resistance of the cermet prepared by the invention are not satisfactory

Method used

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  • Corrosion-resistant metal ceramic and preparation method thereof
  • Corrosion-resistant metal ceramic and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0019] A corrosion-resistant cermet comprising the following components by weight: 23 parts of copper oxide, 17.5 parts of silicon dioxide, 15 parts of graphite, 12.5 parts of zinc nitride, 7.5 parts of nickel, and 7.5 parts of molybdenum oxide , 7.5 parts of polytetrafluoroethylene, 4 parts of sodium tripolyphosphate, 0.5 parts of tributyltin methacrylate, 3 parts of terminal hydrogen silicone oil, 7.5 parts of red mud, and 6 parts of polyaluminum chloride.

[0020] The basicity of the polyaluminum chloride is 30%.

[0021] According to the preparation method of above-mentioned corrosion-resistant cermet, comprise the following steps: (1) at first copper oxide, silicon dioxide, graphite, zinc nitride, nickel, molybdenum oxide are put into ball mill respectively in ball mill; (2) copper oxide , zinc nitride and molybdenum oxide are evenly mixed and put into a calciner for ablation; (3) put the obtained product in the previous step into a pulverizer for pulverization, pass thro...

Embodiment 2

[0023] A corrosion-resistant cermet comprising the following components by weight: 18 parts of copper oxide, 20 parts of silicon dioxide, 10 parts of graphite, 15 parts of zinc nitride, 5 parts of nickel, and 10 parts of molybdenum oxide , 5 parts of polytetrafluoroethylene, 5 parts of sodium tripolyphosphate, 0.1 part of tributyltin methacrylate, 4 parts of hydrogen silicone oil, 5 parts of red mud, and 8 parts of polyaluminum chloride. The basicity of the polyaluminum chloride is 30%.

[0024]According to the preparation method of above-mentioned corrosion-resistant cermet, comprise the following steps: (1) at first copper oxide, silicon dioxide, graphite, zinc nitride, nickel, molybdenum oxide are put into ball mill respectively in ball mill; (2) copper oxide , zinc nitride and molybdenum oxide are evenly mixed and put into a calciner for ablation; (3) put the obtained product in the previous step into a pulverizer for pulverization, pass through a 100-mesh sieve, put it in...

Embodiment 3

[0026] A corrosion-resistant cermet comprising the following components by weight: 25 parts of copper oxide, 15 parts of silicon dioxide, 20 parts of graphite, 10 parts of zinc nitride, 10 parts of nickel, and 5 parts of molybdenum oxide , 10 parts of polytetrafluoroethylene, 3 parts of sodium tripolyphosphate, 1 part of tributyltin methacrylate, 2 parts of hydrogen-terminated silicone oil, 10 parts of red mud, and 4 parts of polyaluminum chloride. The basicity of the polyaluminum chloride is 30%.

[0027] According to the preparation method of above-mentioned corrosion-resistant cermet, comprise the following steps: (1) at first copper oxide, silicon dioxide, graphite, zinc nitride, nickel, molybdenum oxide are put into ball mill respectively in ball mill; (2) copper oxide , zinc nitride and molybdenum oxide are evenly mixed and put into a calciner for ablation; (3) put the obtained product in the previous step into a pulverizer for pulverization, pass through a 100-mesh siev...

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Abstract

The invention discloses corrosion-resistant metal ceramic and a preparation method thereof. The corrosion-resistant metal ceramic comprises the following components: copper oxide, silicon dioxide, graphite, zinc nitride, nickel, molybdenum oxide, polytetrafluoroethylene, sodium tripolyphosphate, methyl tributyltin acrylate, hydrogen-terminated silicone oil, red mud and polyaluminum chloride, wherein a proportion of the hydrogen-terminated silicone oil to the red mud to the polyaluminum chloride is (2-4) to (5-10) to (4-8). Hydrogen-terminated silicone oil, red mud and polyaluminum chloride areadded to form a third composite component, so that low-temperature strength and corrosion resistance of the alloy material are improved.

Description

technical field [0001] The invention belongs to the technical field of ceramic materials, and in particular relates to a corrosion-resistant cermet and a preparation method thereof. Background technique [0002] Ceramics can be divided into daily-use ceramics, artistic ceramics, and industrial ceramics according to their uses. Among them, industrial ceramics are divided into building sanitary ceramics, chemical ceramics, electric ceramics, special ceramics, etc. Among them, special ceramic products are mainly used in various modern industries and cutting-edge science and technology, such as aerospace, nuclear industry, new energy, national defense and military industry, etc., and there is an urgent need for a large number of new materials in various fields. Thermal properties, dielectric properties, wear resistance, heat insulation properties, piezoelectric properties, and light transmission properties are widely valued by various countries. Special ceramic materials inclu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C29/12C22C1/05C22C1/10
CPCC22C1/051C22C29/005C22C29/12
Inventor 不公告发明人
Owner 长沙如洋环保科技有限公司
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