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Thermal insulation metal composite

A metal composite material and thermal insulation layer technology, which is applied in the direction of thermal insulation protection of pipelines, heat exchange equipment, synthetic resin layered products, etc. It is difficult to meet the needs of use and other problems, and achieve the effects of good non-stickiness, improved corrosion resistance, and good thermal insulation performance.

Inactive Publication Date: 2018-05-08
泰兴市长江密封材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing metal heat insulation materials usually add some metal elements that can produce heat insulation effect to the metal base layer to make it have a certain heat insulation function. This kind of heat insulation metal material has high production cost and cannot meet the heat insulation performance required by special environments. problems, and the strength, toughness, and corrosion resistance of the material are difficult to meet the needs of use

Method used

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Examples

Experimental program
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Effect test

specific Embodiment approach 1

[0012] This specific embodiment adopts the following technical scheme: it includes a metal composite material layer and a thermal insulation layer; the metal composite material layer is composed of the following components: 20 parts of Al, 15 parts of Ni, 20 parts of TiC, 5 parts of W, 5 parts of Cr, 3 parts Co, 10 parts Cu, 12 parts Fe, 2 parts Mo, 5 parts NiCr, 3 parts Cr 3 C 2 ; The heat insulation layer is a glass fiber material layer and a polyimide layer, and the glass fiber material layer is between the polyimide layer and the metal composite material layer.

[0013] Further, the thickness of the glass fiber material layer is 0.5mm, and the thickness of the polyimide layer is 0.3mm.

[0014] Further, the composition of NiCr is 80 parts Ni and 20 parts Cr.

[0015] Further, the composition of the polyimide layer is: 70 parts of polyimide, 15 parts of urethane prepolymer containing isocyanate groups, 10 parts of fatty acid amide, and 5 parts of graphite.

specific Embodiment approach 2

[0016] This specific embodiment adopts the following technical scheme: it includes a metal composite material layer and a thermal insulation layer; the metal composite material layer is composed of the following components: 30 parts of Al, 12 parts of Ni, 25 parts of TiC, 5 parts of W, 4 parts Cr, 4 parts Co, 5 parts Cu, 10 parts Fe, 1 part Mo, 3 parts NiCr, 1 part Cr 3 C 2 ; The heat insulation layer is a glass fiber material layer and a polyimide layer, and the glass fiber material layer is between the polyimide layer and the metal composite material layer.

[0017] Further, the thickness of the glass fiber material layer is 0.3 mm, and the thickness of the polyimide layer is 0.2 mm.

[0018] Further, the composition of NiCr is 80 parts Ni and 20 parts Cr.

[0019] Further, the composition of the polyimide layer is: 55 parts of polyimide, 20 parts of urethane prepolymer containing isocyanate groups, 15 parts of fatty acid amide, and 10 parts of graphite.

[0020] This spe...

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Abstract

The invention discloses a thermal insulation metal composite, and relates to the technical field of metal materials. The thermal insulation metal composite comprises a metal composite layer and a thermal insulation layer; the metal composite layer is prepared from 20-30 parts of Al, 10-20 parts Ni, 20-30 parts of TiC, 5-10 parts of W, 3-5 parts of Cr, 2-5 parts of Co, 5-10 parts of Cu, 10-15 partsof Fe, 1-2 parts of Mo, 3-5 parts of NiCr and 1-3 parts of Cr3C2. The thermal insulation layer is a glass fiber material layer and a polyimide layer, and the glass fiber material is arranged betweenthe polyimide layer and the metal composite layer. The thermal insulation metal composite has the advantages that by arranging the thermal insulation layer, comprehensive isolation of high temperaturecan be achieved, the good thermal insulation performance, durability and non-stickiness are achieved, the high-temperature materials are not adhered, and the strength, tenacity and corrosion resistance of the composite are greatly improved.

Description

technical field [0001] The invention relates to the technical field of metal materials, in particular to a heat-insulating metal composite material. Background technique [0002] Metal materials are usually made of 100% metal components. Products made of such metal materials have been widely used and promoted in the market, but they are easily affected by external factors and rusted, and in some specific The environment often cannot meet people's use needs, such as the heat insulation performance of metal materials. At present, heat insulation materials can be divided into three categories according to their materials: organic heat insulation materials, inorganic heat insulation materials and metal heat insulation materials. The heat insulation materials used for thermal equipment and pipelines are mostly inorganic heat insulation materials. This type of material has the characteristics of non-rot, non-combustible, and high temperature resistance, such as: asbestos, diatoma...

Claims

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Application Information

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IPC IPC(8): B32B17/02B32B9/04B32B17/06B32B27/28B32B27/12C08L79/08F16L59/02C22C30/00C22C32/00
Inventor 吴国平
Owner 泰兴市长江密封材料有限公司
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