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Microcrystalline glass binder, preparation method thereof, superhard material grinding tool and preparation method thereof

A super-hard material abrasive tool and glass-ceramic technology, which is applied in the direction of manufacturing tools, abrasives, grinding devices, etc., can solve the problems of unstable microcrystalline phase structure, reduced service life of abrasive tools, and high preparation costs, and achieve anti-bending Increased strength, extended service life, and low manufacturing cost

Inactive Publication Date: 2017-03-22
FUNIK ULTRAHARD MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes a new type of ceramics called glass-cement (G) which combines two materials: silicate cement made from quartz sand grains and calcium oxide filler. These composites have unique characteristics such as being strong when wet but also flexible or durable over time without losing their effectiveness due to cracking under stress conditions like impact loads. They make up one key component of modern tools used during construction work.

Problems solved by technology

This patented technical problem addressed in this patents relates to improving the efficiency and precision of cutting processes such as millings without sacrificially increasing costs associated therewith due to increased complexity involved in manufacturing these materials.

Method used

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  • Microcrystalline glass binder, preparation method thereof, superhard material grinding tool and preparation method thereof
  • Microcrystalline glass binder, preparation method thereof, superhard material grinding tool and preparation method thereof

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Embodiment 1

[0033] In this embodiment, the glass-ceramic bonding agent is composed of the following components by mass percentage: 55% SiO 2 , 15% CaO, 10% K 2 O, 5% Na 2 O, 15% CaF 2 .

[0034] The preparation method of the glass-ceramic bonding agent in this embodiment includes the following steps:

[0035] 1) Mix the ingredients of the formula to obtain a mixture;

[0036] 2) After holding the mixture obtained in step 1) at a high temperature of 1350°C for 2 hours, a molten glass is obtained;

[0037] 3) The molten glass obtained in step 2) is water-quenched, wet ball milled for 4 hours, the slurry is dried at 95° C., then ground and passed through a 400-mesh sieve to obtain a glass-ceramic binder.

[0038] In this embodiment, the superhard material abrasive tool prepared by using the above-mentioned glass-ceramic bonding agent is a cubic boron nitride abrasive tool, and the preparation method is: taking 60 parts by weight of superabrasive cubic boron nitride and 40 parts by weight of micro The...

Embodiment 2

[0041] In this embodiment, the glass-ceramic bonding agent is composed of the following components by mass percentage: 65% SiO 2 , 5% CaO, 10% K 2 O, 15% Na 2 O, 5% CaF 2 .

[0042] The preparation method of the glass-ceramic bonding agent in this embodiment includes the following steps:

[0043] 1) Mix the ingredients of the formula to obtain a mixture;

[0044] 2) After holding the mixture obtained in step 1) at a high temperature of 1365°C for 2.5 hours, a molten glass is obtained;

[0045] 3) The molten glass obtained in step 2) is quenched with water, wet ball milled for 6 hours, the slurry is dried at 105° C., then ground and passed through a 400 mesh sieve to obtain a glass-ceramic binder.

[0046] In this embodiment, the superhard material abrasive tool prepared by using the above-mentioned glass-ceramic bonding agent is a cubic boron nitride abrasive tool, and the preparation method is: taking 55 parts by weight of superabrasive cubic boron nitride and 45 parts by weight of mic...

Embodiment 3

[0049] In this embodiment, the glass-ceramic bonding agent is composed of the following mass percentage components: 60% SiO 2 , 10% CaO, 1% K 2 O, 9% Na 2 O, 20% CaF 2 .

[0050] The preparation method of the glass-ceramic bonding agent in this embodiment includes the following steps:

[0051] 1) Mix the ingredients of the formula to obtain a mixture;

[0052] 2) After the mixture obtained in step 1) is kept at a high temperature of 1380°C for 3 hours, a molten glass is obtained;

[0053] 3) The molten glass obtained in step 2) is water-quenched, wet ball milled for 5 hours, the slurry is dried at 100° C., then ground and passed through a 400 mesh sieve to obtain a glass-ceramic binder.

[0054] In this embodiment, the superhard material abrasive tool prepared by using the above-mentioned glass-ceramic bonding agent is a cubic boron nitride abrasive tool, and the preparation method is: taking 65 parts by weight of superabrasive cubic boron nitride and 35 parts by weight of micro The cr...

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Abstract

The invention discloses a microcrystalline glass binder, a preparation method of the microcrystalline glass binder, a superhard material grinding tool and a preparation method of the superhard material grinding tool, and belongs to the technical field of superhard material tools. The microcrystalline glass binder is prepared from, by mass, 55-65% of SiO2, 5-15% of CaO, 1-10% of K2O, 5-15% of Na2O and 5-20% of CaF2. The superhard material grinding tool is prepared through the microcrystalline glass binder, and lath-shaped anisotropic crystals exist in the microcrystalline phase of the superhard material grinding tool and are distributed in a cross mode. According to the preparation method of the superhard material grinding tool, the crystallization temperature in the sintering process is controlled, so that lath-shaped anisotropic crystals exist in the microcrystalline phase of the superhard material grinding tool and are distributed in the cross mode, and the preparation method is easy, convenient and applicable to industrial production.

Description

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Claims

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Application Information

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Owner FUNIK ULTRAHARD MATERIAL
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