CN106242581B - A kind of high performance ceramic material and its preparing the application in sintex - Google Patents
A kind of high performance ceramic material and its preparing the application in sintex Download PDFInfo
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- CN106242581B CN106242581B CN201610580411.1A CN201610580411A CN106242581B CN 106242581 B CN106242581 B CN 106242581B CN 201610580411 A CN201610580411 A CN 201610580411A CN 106242581 B CN106242581 B CN 106242581B
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Abstract
The invention discloses a kind of high performance ceramic material and its application in sintex is being prepared, is being prepared by the raw material of following parts by weight: silicon nitride, 80~90 parts；Chromium oxide, 3~5 parts；Silicon carbide, 4~6 parts；Silica, 3~5 parts；Titanium dioxide, 4~6 parts；Calcirm-fluoride, 2~4 parts；Line borate, 1~3 part；Bismuth oxide, 2~4 parts；Polyethylene glycol, 0.8~1.2 part；Polyacrylic acid, 0.6~0.8 part；Deionized water, 25~35 parts；The weight ratio of borax and totally 6~8 parts of sodium metasilicate, borax and sodium metasilicate is 5~7:1.Ceramic material toughness provided by the invention is high, hardness is high, and intensity is big, is suitable as ceramic cutting tool material.This technical effect is related with the weight ratio of borax in raw material and sodium metasilicate, when the weight ratio of borax and sodium metasilicate is 5~7:1, the best performance of ceramic material.
Description
Technical field
The present invention relates to cutter material fields, and in particular to a kind of high performance ceramic material and its in preparing sintex
Application.
Background technique
Ceramic cutting-tool has high rigidity, high density, high temperature resistant, and diamagneticization, anti-oxidant, corrosion resistance is strong, chemistry
The features such as stability is good, high-wearing feature is the good substitute of traditional cutting element such as high-speed steel, solves the resources such as molybdenum, nickel
Rare problem.But at present still there is higher cost in ceramic cutting material, toughness is inadequate, brittleness is big, hardness is irregular,
The problems such as poor radiation, bad self-lubrication, needs to solve.
Summary of the invention
The purpose of the present invention is to provide a kind of high performance ceramic material and its preparing the application in sintex.
Above-mentioned purpose of the invention is achieved by following technical solution:
A kind of high performance ceramic material is prepared by the raw material of following parts by weight: silicon nitride, and 80~90 parts；Oxidation
Chromium, 3~5 parts；Silicon carbide, 4~6 parts；Silica, 3~5 parts；Titanium dioxide, 4~6 parts；Calcirm-fluoride, 2~4 parts；Line borate,
1~3 part；Bismuth oxide, 2~4 parts；Polyethylene glycol, 0.8~1.2 part；Polyacrylic acid, 0.6~0.8 part；Deionized water, 25~35
Part；The weight ratio of borax and totally 6~8 parts of sodium metasilicate, borax and sodium metasilicate is 5~7:1.
Further, the high performance ceramic material is prepared by the raw material of following parts by weight: silicon nitride, and 85
Part；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3 parts；Line borate, 2 parts；Oxidation
Bismuth, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and totally 7 parts of sodium metasilicate, borax and
The weight ratio of sodium metasilicate is 6:1.
Further, the high performance ceramic material is prepared by the raw material of following parts by weight: silicon nitride, and 80
Part；Chromium oxide, 3 parts；Silicon carbide, 4 parts；Silica, 3 parts；Titanium dioxide, 4 parts；Calcirm-fluoride, 2 parts；Line borate, 1 part；Oxidation
Bismuth, 2 parts；Polyethylene glycol, 0.8 part；Polyacrylic acid, 0.6 part；Deionized water, 25 parts；Borax and totally 6 parts of sodium metasilicate, borax and
The weight ratio of sodium metasilicate is 5:1.
Further, the high performance ceramic material is prepared by the raw material of following parts by weight: silicon nitride, and 90
Part；Chromium oxide, 5 parts；Silicon carbide, 6 parts；Silica, 5 parts；Titanium dioxide, 6 parts；Calcirm-fluoride, 4 parts；Line borate, 3 parts；Oxidation
Bismuth, 4 parts；Polyethylene glycol, 1.2 parts；Polyacrylic acid, 0.8 part；Deionized water, 35 parts；Borax and totally 8 parts of sodium metasilicate, borax and
The weight ratio of sodium metasilicate is 7:1.
The preparation method of above-mentioned high performance ceramic material, includes the following steps:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3, the particle that step S1, S2 is obtained mix, and deionized water is added and is mixed into pureed, is sent into ball mill
It is 2~3 hours of ball milling, dry, it is sent into calcining furnace, is calcined 1~2 hour at 800~900 DEG C, take out and crush, cross 200 mesh
Sieve, obtains particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2~3 is small
When, it is dried at 110~120 DEG C, crosses 40 meshes, the hot pressing at 1600~1700 DEG C, hot pressing pressure is 20~30MPa, hot pressing
Time be 50~60 minutes to get.
Advantages of the present invention:
Ceramic material toughness provided by the invention is high, hardness is high, and intensity is big, is suitable as ceramic cutting tool material.
Specific embodiment
Essentiality content of the invention is further illustrated below with reference to embodiment, but present invention protection model is not limited with this
It encloses.Although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that, it can be right
Technical solution of the present invention is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention.
Embodiment 1: the preparation of high performance ceramic material
Parts by weight of raw materials ratio:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3
Part；Line borate, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and partially
Totally 7 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 6:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 2: the preparation of high performance ceramic material
Parts by weight of raw materials ratio:
Silicon nitride, 80 parts；Chromium oxide, 3 parts；Silicon carbide, 4 parts；Silica, 3 parts；Titanium dioxide, 4 parts；Calcirm-fluoride, 2
Part；Line borate, 1 part；Bismuth oxide, 2 parts；Polyethylene glycol, 0.8 part；Polyacrylic acid, 0.6 part；Deionized water, 25 parts；Borax and partially
Totally 6 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 5:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 3: the preparation of high performance ceramic material
Parts by weight of raw materials ratio:
Silicon nitride, 90 parts；Chromium oxide, 5 parts；Silicon carbide, 6 parts；Silica, 5 parts；Titanium dioxide, 6 parts；Calcirm-fluoride, 4
Part；Line borate, 3 parts；Bismuth oxide, 4 parts；Polyethylene glycol, 1.2 parts；Polyacrylic acid, 0.8 part；Deionized water, 35 parts；Borax and partially
Totally 8 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 7:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 4: the preparation of high performance ceramic material
Parts by weight of raw materials ratio:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3
Part；Line borate, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and partially
Totally 7 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 5:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 5: the preparation of high performance ceramic material
Parts by weight of raw materials ratio:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3
Part；Line borate, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and partially
Totally 7 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 7:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 6: the weight ratio of comparative example, borax and sodium metasilicate is 4:1
Parts by weight of raw materials ratio:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3
Part；Line borate, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and partially
Totally 7 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 4:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 7: the weight ratio of comparative example, borax and sodium metasilicate is 8:1
Parts by weight of raw materials ratio:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3
Part；Line borate, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and partially
Totally 7 parts of sodium metasilicate, the weight ratio of borax and sodium metasilicate is 8:1.
Preparation method:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate
It closes, ball milling, crosses 200 meshes, obtain particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3 mixes step S1, S2 particle, and deionized water is added and is mixed into pureed, is sent into ball milling 2.5 in ball mill
It is a hour, dry, it is sent into calcining furnace, is calcined 1.5 hours at 850 DEG C, take out and crush, cross 200 meshes, obtain particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2.5 is small
When, it is dried at 115 DEG C, crosses 40 meshes, the hot pressing at 1650 DEG C, hot pressing pressure 25MPa, hot pressing time is 55 minutes.
Embodiment 8: effect example
The performance for the ceramic material that respectively prepared by testing example 1~7 is as a result as follows.
| Fracture toughness/MPam1/2 | Vickers hardness/GPa | Bending strength/MPa | |
| Embodiment 1 | 17.5 | 95 | 1280 |
| Embodiment 4 | 17.1 | 92 | 1240 |
| Embodiment 5 | 17.3 | 92 | 1250 |
| Embodiment 6 | 9.6 | 65 | 750 |
| Embodiment 7 | 9.4 | 63 | 780 |
The test result and embodiment 4,5 of embodiment 2,3 are almost the same.
It is above-mentioned the experimental results showed that, ceramic material toughness provided by the invention is high, hardness is high, and intensity is big, is suitable as making pottery
Porcelain cutter material.This technical effect is related with the weight ratio of borax in raw material and sodium metasilicate, borax and sodium metasilicate
Weight ratio be 5~7:1 when, the best performance of ceramic material.
The effect of above-described embodiment indicates that essentiality content of the invention, but protection of the invention is not limited with this
Range.Those skilled in the art should understand that can with modification or equivalent replacement of the technical solution of the present invention are made,
Without departing from the essence and protection scope of technical solution of the present invention.
Claims (5)
1. a kind of high performance ceramic material, which is characterized in that be prepared by the raw material of following parts by weight: silicon nitride, 80~
90 parts；Chromium oxide, 3~5 parts；Silicon carbide, 4~6 parts；Silica, 3~5 parts；Titanium dioxide, 4~6 parts；Calcirm-fluoride, 2~4
Part；Line borate, 1~3 part；Bismuth oxide, 2~4 parts；Polyethylene glycol, 0.8~1.2 part；Polyacrylic acid, 0.6~0.8 part；Deionization
Water, 25~35 parts；The weight ratio of borax and totally 6~8 parts of sodium metasilicate, borax and sodium metasilicate is 5~7:1.
2. high performance ceramic material according to claim 1, which is characterized in that prepared by the raw material of following parts by weight
At: silicon nitride, 85 parts；Chromium oxide, 4 parts；Silicon carbide, 5 parts；Silica, 4 parts；Titanium dioxide, 5 parts；Calcirm-fluoride, 3 parts；Boron
Sour calcium, 2 parts；Bismuth oxide, 3 parts；Polyethylene glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and metasilicic acid
Totally 7 parts of sodium, the weight ratio of borax and sodium metasilicate is 6:1.
3. high performance ceramic material according to claim 1, which is characterized in that prepared by the raw material of following parts by weight
At: silicon nitride, 80 parts；Chromium oxide, 3 parts；Silicon carbide, 4 parts；Silica, 3 parts；Titanium dioxide, 4 parts；Calcirm-fluoride, 2 parts；Boron
Sour calcium, 1 part；Bismuth oxide, 2 parts；Polyethylene glycol, 0.8 part；Polyacrylic acid, 0.6 part；Deionized water, 25 parts；Borax and metasilicic acid
Totally 6 parts of sodium, the weight ratio of borax and sodium metasilicate is 5:1.
4. high performance ceramic material according to claim 1, which is characterized in that prepared by the raw material of following parts by weight
At: silicon nitride, 90 parts；Chromium oxide, 5 parts；Silicon carbide, 6 parts；Silica, 5 parts；Titanium dioxide, 6 parts；Calcirm-fluoride, 4 parts；Boron
Sour calcium, 3 parts；Bismuth oxide, 4 parts；Polyethylene glycol, 1.2 parts；Polyacrylic acid, 0.8 part；Deionized water, 35 parts；Borax and metasilicic acid
Totally 8 parts of sodium, the weight ratio of borax and sodium metasilicate is 7:1.
5. the preparation method of any high performance ceramic material of Claims 1 to 4, which comprises the steps of:
Step S1 mixes chromium oxide, silicon carbide, silica, calcirm-fluoride, line borate, bismuth oxide, borax and sodium metasilicate,
Ball milling crosses 200 meshes, obtains particle；
Step S2, silicon nitride, titanium dioxide are mixed, and ball milling crosses 250 meshes, obtains particle；
Step S3, the particle that step S1, S2 is obtained mix, and deionized water is added and is mixed into pureed, is sent into ball milling 2 in ball mill
It is~3 hours, dry, it is sent into calcining furnace, is calcined 1~2 hour at 800~900 DEG C, take out and crush, cross 200 meshes, obtain
To particle；
The particle that step S3 is obtained is mixed with polyacrylic acid, polyethylene glycol, is stirred evenly by step S4, and ball milling 2~3 hours,
It is dried at 110~120 DEG C, crosses 40 meshes, the hot pressing at 1600~1700 DEG C, hot pressing pressure is 20~30MPa, and hot pressing time is
50~60 minutes to get.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104370555A (en) * | 2014-10-27 | 2015-02-25 | 合肥市东庐机械制造有限公司 | Silicon nitride based ceramic cutting tool material and preparation method thereof |
| CN104370548A (en) * | 2014-10-27 | 2015-02-25 | 合肥市东庐机械制造有限公司 | Ceramic material for high-speed steel cutters and preparation method thereof |
| CN104402420A (en) * | 2014-10-27 | 2015-03-11 | 合肥市东庐机械制造有限公司 | High toughness ceramic material for cutting tools and preparation method thereof |
| CN105884388A (en) * | 2014-12-22 | 2016-08-24 | 青岛麦特瑞欧新材料技术有限公司 | Modified silicon carbide crystal whisker reinforced ceramic material and preparing method thereof |
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| CN104370555A (en) * | 2014-10-27 | 2015-02-25 | 合肥市东庐机械制造有限公司 | Silicon nitride based ceramic cutting tool material and preparation method thereof |
| CN104370548A (en) * | 2014-10-27 | 2015-02-25 | 合肥市东庐机械制造有限公司 | Ceramic material for high-speed steel cutters and preparation method thereof |
| CN104402420A (en) * | 2014-10-27 | 2015-03-11 | 合肥市东庐机械制造有限公司 | High toughness ceramic material for cutting tools and preparation method thereof |
| CN105884388A (en) * | 2014-12-22 | 2016-08-24 | 青岛麦特瑞欧新材料技术有限公司 | Modified silicon carbide crystal whisker reinforced ceramic material and preparing method thereof |
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