Cast silicon carbide composite material and preparation method thereof

A composite material and silicon carbide technology, applied in the field of composite materials, can solve the problems of poor erosion and wear resistance, long parts supply and maintenance cycle, easy to fall off, etc., achieve excellent wear resistance and chemical corrosion resistance, improve Safety, reliability and strong chemical stability

Active Publication Date: 2014-01-29
北京中电联众电力技术集团有限公司
View PDF7 Cites 14 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Alumina ceramics that are often used at present have good wear resistance, corrosion resistance to weak acids, weak alkalis and salts, but due to the high brittleness and low strength of ceramic materials, it is not easy to process into equipment linings with complex shapes and high strength. High-chromium cast iron (steel) has high strength and is easy to process into complex-shaped linings, but its corrosion resistance and wear resistance are far inferior to ceramic materials, and its corrosion resistance and wear resistance are contradictory , the two cannot be taken into account; while the traditional high-density polyethylene and rubber lining materials have certain corrosion resistance, the disadvantage i

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Cast silicon carbide composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] The cast silicon carbide composite material contains the following components in parts by weight:

[0063] 60 parts of silicon carbide 0.5 parts of short glass fiber 1.5 parts of alumina powder

[0064] 0.8 parts of carbon fiber, 30 parts of acrylic resin

[0065] Also contain the additive of following parts by weight:

[0066] Reactive diluent butyl glycidyl ether: 3 parts

[0067] Accelerator DMP-30: 0.45 parts

[0068] Leveling agent Levelling 620: 0.09 parts

[0069] Modifier 651 polyamide: 0.9 parts

[0070] Coupling agent methoxysilane: 0.9 parts

[0071] Curing agent methyl tetrahydrophthalic anhydride: 19.5 parts

[0072] Toughening agent polysulfide rubber: 4.5 parts

[0073] Defoamer BX-841: 0.03 parts

[0074] The ratio of parts by weight of silicon carbide with different particle sizes is as follows:

[0075] 10-20 mesh 0.9 parts

[0076] 20-40 mesh 24 parts

[0077] 40-60 mesh 6 parts

[0078] 100-120 mesh 2.4 parts

[0079] The preparation m...

Embodiment 2

[0103] The cast silicon carbide composite material contains the following components in parts by weight:

[0104] 65 parts of silicon carbide 1.0 parts of short glass fiber 2.5 parts of alumina powder

[0105] 1.2 parts of carbon fiber, 20 parts each of bisphenol-A epoxy resin and bisphenol-F epoxy resin

[0106] Also contain the additive of following parts by weight:

[0107] Inactive diluent ethanol: 6 parts

[0108] Accelerator triethanolamine: 0.12 parts

[0109] Leveling agent BYK-333: 0.28 parts

[0110] Modifier silicon nitride powder: 2 parts

[0111] Coupling agent tetraisopropyl titanate: 2 parts

[0112] Curing agent methyl tetrahydrophthalic anhydride: 30 parts

[0113] Toughening agent polyurethane: 10 parts

[0114] Defoamer BX-841: 0.24 parts

[0115] The ratio of parts by weight of silicon carbide with different particle sizes is as follows:

[0116] 10-20 mesh 1.625 copies

[0117] 20-40 mesh 31.20 parts

[0118] 40-60 mesh 9.75 parts

[0119] 100-...

Embodiment 3

[0122] The cast silicon carbide composite material contains the following components in parts by weight:

[0123] 62 parts of silicon carbide 0.8 parts of short glass fiber 2.0 parts of alumina powder

[0124] 1.0 parts of carbon fiber, 20 parts of phenolic resin, 15 parts of polyurethane

[0125] Also contain the additive of following parts by weight:

[0126] Reactive diluent polypropylene glycol diglycidyl ether: 4.2 parts

[0127] Accelerator 2-methylimidazole: 0.47 parts, AC-2011 0.3 parts

[0128] Leveling agent BYK-333: 0.1 parts, Leveling 620 0.075 parts

[0129] Modifier 651 polyamide: 0.7 silicon nitride powder: 0.7 parts

[0130] Coupling agent chromium chloride methacrylate: 0.7, zirconium aluminate: 0.7 parts

[0131] Curing agent methyl tetrahydrophthalic anhydride: 24.5 parts

[0132] Toughening agent polyurethane: 3.5 parts, silicone modified polyether: 3.5 parts.

[0133] Defoamer BX-841: 0.105 parts

[0134] The ratio of parts by weight of silicon car...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the technical field of a composite material, and particularly relates to a cast silicon carbide composite material and a preparation method thereof. Aluminum oxide ceramics, high-density polyethylene and a rubber lining material cannot simultaneously meet the requirements of equipments on the abrasive resistance, the corrosion resistance and the mechanical strength at present. Import special ceramics equipment is high in price although long in service life so as to result in the problems of high operation and production costs. The cast silicon carbide composite material provided by the invention mainly contains silicon carbide, a short glass fiber, alumina powder, a carbon fiber, an adhesive component and an additive. Kinds of products with complicated shapes can be manufactured by adopting a vacuum casting production technology. The material is good in abrasive resistance, strong in chemical resistance, high in mechanical strength, and applicable to solid-liquid and solid-gas dual-phase medium conveying equipments.

Description

technical field [0001] The invention relates to the technical field of composite materials, in particular to a casting silicon carbide composite material and a preparation method thereof. Background technique [0002] Alumina ceramics that are often used at present have good wear resistance, corrosion resistance to weak acids, weak alkalis and salts, but due to the high brittleness and low strength of ceramic materials, it is not easy to process into equipment linings with complex shapes and high strength. High-chromium cast iron (steel) has high strength and is easy to process into complex-shaped linings, but its corrosion resistance and wear resistance are far inferior to those of ceramic materials, and their corrosion resistance and wear resistance are contradictory , the two cannot be taken into account; while the traditional high-density polyethylene and rubber lining materials have certain corrosion resistance, the disadvantage is that the erosion resistance is poor an...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C04B26/04C04B26/10C04B26/16
Inventor 冯万春
Owner 北京中电联众电力技术集团有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap