High-strength ceramic binder

A ceramic binder, high-strength technology, applied in the direction of abrasives, manufacturing tools, metal processing equipment, etc., can solve the problems of poor impact resistance and fatigue resistance, and achieve improved application effects and good fatigue resistance , enhance the effect of absorption

Inactive Publication Date: 2019-12-13
陈小强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a high-strength ceramic binder for the problem of poor impact resistance and fatigue resistance improvement when the commonly used ceramic binder is applied to abrasive tools.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] The preparation method of heat-resistant viscous material comprises the steps:

[0033]S1. According to the mass ratio of 3:7~10:0.2, take foam nickel, co-infiltration agent, and reagent A and mix them in a mortar, and grind them at 350~550r / min for 2~4h to obtain abrasives. Take the abrasives in the sintering furnace at 300 After preheating and exhausting at ~400°C for 30~50min, seal the exhaust hole, raise the temperature to 1500~1700°C, keep warm for 10~15min, cool down to 900~1100°C, keep warm for 4~8h, and cool down to 140~155°C with the furnace. Discharge, cool naturally to room temperature, and obtain heat-treated product. Take the heat-treated product and add ethanol solution with a volume fraction of 70% at a mass ratio of 1:15~25 to mix in an ultrasonic oscillator. After ultrasonic treatment at a frequency of 50~65kHz for 20~35min, Filter, take the filter residue and seal it in a quartz glass tube, vacuumize it, move it to a sintering furnace at 1200-1450°C fo...

Embodiment 1

[0040] Filler: mix sodium alginate and water according to the mass ratio of 1:18, stir with 400r / min magnetic force for 35min, add SiO which is twice the mass of sodium alginate 2 , sodium alginate mass 1 times the hydroxyapatite mixed to get the filler.

[0041] Co-penetration agent: mix alumina, chromium oxide, and ammonium chloride at a mass ratio of 4:3:1 to obtain a co-penetration agent.

[0042] Pretreatment of coconut shell material: in parts by weight, take 20 parts of coconut shell powder passed through a 120 mesh sieve, 0.5 parts of sodium fluoride, and 2 parts of nano-iron powder in a reactor and mix and stir for 30 minutes, then move them into a carbonization furnace, and use 100 mL / Introduce argon protection at a rate of min, raise the temperature to 550 °C at a rate of 1 °C / min, keep warm for 2 hours, and then cool to room temperature with the furnace, and discharge the material to obtain the pretreated coconut shell material.

[0043] Auxiliary agent: Mix ethy...

Embodiment 2

[0055] Filler: Mix sodium alginate and water at a mass ratio of 1:25, stir magnetically at 700r / min for 60min, add SiO 4 times the mass of sodium alginate 2 , sodium alginate mass 3 times the hydroxyapatite mixed to get the filler.

[0056] Co-penetration agent: mix alumina, chromium oxide, and ammonium chloride at a mass ratio of 8:3:1 to obtain a co-penetration agent.

[0057] Pretreatment coconut shell material: in parts by weight, take 40 parts of coconut shell powder passed through a 120 mesh sieve, 0.8 parts of sodium fluoride, and 5 parts of nano-iron powder in a reactor and mix and stir for 55 minutes, then move them into a carbonization furnace, and use 140 mL / Inject argon protection at a rate of 4 ℃ / min, raise the temperature to 750 ℃ ​​at a rate of 4 ℃ / min, keep warm and carbonize for 4 hours, cool to room temperature with the furnace, and discharge the material to obtain the pretreated coconut shell material.

[0058] Auxiliary agent: Mix ethylene bisstearic acid...

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PUM

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Abstract

The invention relates to a high-strength ceramic binder, and belongs to the technical field of machining. According to the present invention, a high-frequency energy-absorption component foamed nickelis adopted and is subjected to mixed grinding with a co-permeation agent and the like, and low-temperature gas discharge and high-temperature solid phase diffusion are sequentially performed to forma three-dimensional network compact alloy structure so as to enhance the impact energy; the alloy structure as a substrate layer is added with nanometer iron powder, such that the lasting bonding performance can be maintained under high temperature and strong impact force, the fatigue resistance is good, the impact force can be resolved and absorbed, and a firm maintaining effect can be formed between the alloy structure and a grinding tool so as to improve the application effect; by using multi-component mixed ball milling and pressing, hard components are formed through multiple layers and are evenly dispersed, such that the filling with the hard impact-resistant component and the soft viscous material can improve the impact resistance and the fatigue resistance; and the prepared high-strength ceramic binder can solve the problem of poor improvement in the impact resistance and the fatigue resistance during the application of the commonly used ceramic binder in grinding tools.

Description

technical field [0001] The invention relates to a high-strength ceramic binder, which belongs to the technical field of mechanical processing. Background technique [0002] For fine grinding and polishing of ceramic tiles, stone (including artificial stone), etc., silicon carbide abrasives and diamond-based abrasives are traditionally used. CBN grinding wheel has high chemical stability, good corrosion resistance, wide range of grinding applications, good shape retention of abrasive tools, high grinding precision, good self-sharpening of abrasive tools, and can meet the grinding needs of difficult-to-machine materials and general materials. . However, the development of modern industrial technology puts forward higher requirements for abrasive grinding. In the abrasive tool, the bond has the greatest influence on the abrasive tool. Compared with other bonding agents, vitrified bonding agents have the characteristics of strong holding force on abrasives, high hardness, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/63C04B35/632C04B35/634C04B35/636B24D3/14
CPCB24D3/14C04B35/6303C04B35/6306C04B35/632C04B35/63496C04B35/636C04B35/6365
Inventor 陈小强
Owner 陈小强
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