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Titanium dioxide added modified composite ceramic material and preparation method thereof

A technology of titanium dioxide and composite ceramics, which is applied in the field of materials, can solve problems such as ceramic material damage, and achieve the effects of stable performance, simple process, and strong practicability

Inactive Publication Date: 2017-06-13
SUZHOU LUOTELAN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The Achilles heel of ceramic materials is brittleness. Under the action of external force, stress concentration occurs on the surface of the material or at the tip of micro-cracks in the interior, and the crack expands to form surface energy to consume energy. Therefore, the crack propagation speed is extremely fast, often causing the ceramic material to suffer in an instant. to catastrophic damage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] (1) Weigh 3 parts of titanium dioxide, 30 parts of alumina ceramic powder, 5 parts of clay, 4 parts of niobium nitride, 5 parts of carbon black, 2 parts of polyethylene wax, 3 parts of vinyltriethoxysilane, 3 parts of polyaluminosiloxane, 1 part of dicumyl peroxide, 4 parts of vinyl carboxylate, 2 parts of tetramethylammonium hydroxide, 1 part of polyethylene glycol, 1 part of aluminum nitride, 1 part of magnesium oxide 2 parts, 2 parts of barium sulfate, 3 parts of sodium boride, 1 part of molybdenum disilicide, 1 part of 2,2'-methylenebis(4-methyl-6-tert-butylphenol), 2 parts of 2-ethyl lead acetate 1 part, 1 part of isopropyl titanate triisostearate;

[0027] (2) Add alumina ceramic powder, clay, niobium nitride, and carbon black to a Raymond mill for grinding. The power of the mill is 22KW, and the particle size of the mixture is 300 mesh;

[0028] (3) Titanium dioxide, polyethylene wax, vinyl triethoxysilane, polyaluminum siloxane, aluminum nitride, magnesium oxid...

Embodiment 2

[0037] (1) Weigh 4 parts of titanium dioxide, 35 parts of alumina ceramic powder, 7 parts of clay, 5 parts of niobium nitride, 6 parts of carbon black, 3 parts of polyethylene wax, 4 parts of vinyltriethoxysilane, 4 parts of polyaluminosiloxane, 2 parts of dicumyl peroxide, 5 parts of vinyl carboxylate, 3 parts of tetramethylammonium hydroxide, 2 parts of polyethylene glycol, 1 part of aluminum nitride, 2 parts of magnesium oxide 3 parts of barium sulfate, 4 parts of sodium boride, 1 part of molybdenum disilicide, 2 parts of 4-hydroxydodecanoic acid anilide, 3 parts of calcium ricinoleate, isopropyl tri(dioctyl pyrophosphoryl ) 1 part of titanate;

[0038] (2) Add alumina ceramic powder, clay, niobium nitride, and carbon black to a Raymond mill for grinding. The power of the mill is 22KW, and the particle size of the mixture is 350 mesh;

[0039] (3) Titanium dioxide, polyethylene wax, vinyltriethoxysilane, polyaluminum siloxane, aluminum nitride, magnesium oxide, barium sulf...

Embodiment 3

[0048] (1) Weigh 7 parts of titanium dioxide, 40 parts of alumina ceramic powder, 8 parts of clay, 6 parts of niobium nitride, 7 parts of carbon black, 5 parts of polyethylene wax, 7 parts of vinyltriethoxysilane, 5 parts of polyaluminosiloxane, 3 parts of dicumyl peroxide, 7 parts of vinyl carboxylate, 3 parts of tetramethylammonium hydroxide, 4 parts of polyethylene glycol, 2 parts of aluminum nitride, 3 parts of magnesium oxide 4 parts of barium sulfate, 5 parts of sodium boride, 2 parts of molybdenum disilicide, 3 parts of 4,4'-di-tert-octyldiphenylamine, 4 parts of zinc stearate, bis(dioctyl pyrophosphoryl) 2 parts titanium oxyacetate;

[0049] (2) Add alumina ceramic powder, clay, niobium nitride, and carbon black to a Raymond mill for grinding. The power of the mill is 22KW, and the particle size of the mixture is 350 mesh;

[0050] (3) Titanium dioxide, polyethylene wax, vinyl triethoxysilane, polyaluminum siloxane, aluminum nitride, magnesium oxide, barium sulfate, s...

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Abstract

The invention discloses a titanium dioxide added modified composite ceramic material and a preparation method thereof. The titanium dioxide added modified composite ceramic material is prepared from the following raw materials in parts by weight: 3 to 8 parts of titanium dioxide, 30 to 45 parts of alumina ceramic powder, 5 to 10 parts of clay, 4 to 7 parts of niobium nitride, 5 to 8 parts of carbon black, 2 to 6 parts of polyethylene wax, 3 to 8 parts of vinyltriethoxysilane, 3 to 6 parts of polyaluminosiloxane, 1 to 4 parts of dicumyl peroxide, 4 to 8 parts of vinyl carboxylate, 2 to 4 parts of tetramethylammonium hydroxide, 1 to 5 parts of polyethylene glycol, 1 to 2 parts of aluminum nitride, 1 to 4 parts of magnesium oxide, 2 to 5 parts of barium sulfate, 3 to 6 parts of sodium boride, 1 to 2 parts of molybdenum disilicide, 1 to 4 parts of antioxidant, 2 to 5 parts of stabilizing agent and 1 to 2 parts of coupling agent. The prepared titanium dioxide added modified composite ceramic material is stable in performance, resistant to corrosion, resistant to wear and high in strength. Meanwhile, the invention also discloses the corresponding preparation method.

Description

technical field [0001] The invention relates to the field of materials, in particular to a titanium dioxide-added modified composite ceramic material and a preparation method thereof. Background technique [0002] The Achilles heel of ceramic materials is brittleness. Under the action of external force, stress concentration occurs on the surface of the material or at the tip of micro-cracks in the interior, and the crack expands to form surface energy to consume energy. Therefore, the crack propagation speed is extremely fast, often causing the ceramic material to suffer in an instant. to catastrophic damage. Titanium dioxide has outstanding light and heat resistance effects, good chemical corrosion resistance, good wettability with the substrate, and less interface reaction, which can improve the mechanical properties, wear resistance, and hardness of composite materials, reduce thermal expansion coefficient, and the cost is relatively low. lower. Therefore, the present i...

Claims

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Application Information

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IPC IPC(8): C04B35/10C04B35/632C04B35/634C04B35/64
CPCC04B35/10C04B35/632C04B35/63404C04B35/64C04B2235/3206C04B2235/3232C04B2235/349C04B2235/3804C04B2235/3865C04B2235/3886C04B2235/3891C04B2235/424C04B2235/448C04B2235/6581C04B2235/96C04B2235/9669
Inventor 马志明
Owner SUZHOU LUOTELAN NEW MATERIAL TECH
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