CN106242581A - A kind of high performance ceramic material and the application in preparing sintex thereof - Google Patents

A kind of high performance ceramic material and the application in preparing sintex thereof Download PDF

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CN106242581A
CN106242581A CN201610580411.1A CN201610580411A CN106242581A CN 106242581 A CN106242581 A CN 106242581A CN 201610580411 A CN201610580411 A CN 201610580411A CN 106242581 A CN106242581 A CN 106242581A
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borax
sodium metasilicate
ceramic material
granule
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CN106242581B (en
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汪辉
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Zhejiang Ruike Special Ceramics Co., Ltd
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汪辉
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    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides

Abstract

The invention discloses a kind of high performance ceramic material and the application in preparing sintex thereof, be prepared from by the raw material of following weight portion: silicon nitride, 80～90 parts；Chromium oxide, 3～5 parts；Carborundum, 4～6 parts；Silicon dioxide, 3～5 parts；Titanium dioxide, 4～6 parts；Calcium fluoride, 2～4 parts；Calcium pyroborate, 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；Borax and sodium metasilicate totally 6～8 parts, the weight ratio of Borax and sodium metasilicate is 5～7:1.The ceramic material toughness that the present invention provides is high, hardness is high, and intensity is big, is suitable for use as ceramic cutting tool material.This technique effect is relevant 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, and the best performance of ceramic material.

Description

A kind of high performance ceramic material and the application in preparing sintex thereof
Technical field
The present invention relates to cutter material field, be specifically related to a kind of high performance ceramic material and in preparing sintex Application.
Background technology
Ceramic cutting-tool has possessed high rigidity, high density, high temperature resistant, and diamagneticization, antioxidation, corrosion resistance are strong, chemical The feature such as good stability, high-wearing feature, is the succedaneum that the tradition cutting elements such as high-speed steel are good, solves the resource such as molybdenum, nickel Rare problem.But ceramic cutting material still exists relatively costly at present, toughness is inadequate, fragility is big, hardness is uneven, The problems such as poor radiation, self lubricity are bad, need to solve.
Summary of the invention
It is an object of the invention to provide a kind of high performance ceramic material and the application in preparing sintex thereof.
The above-mentioned purpose of the present invention is achieved by techniques below scheme:
A kind of high performance ceramic material, is prepared from by the raw material of following weight portion: silicon nitride, 80～90 parts；Oxidation Chromium, 3～5 parts；Carborundum, 4～6 parts；Silicon dioxide, 3～5 parts；Titanium dioxide, 4～6 parts；Calcium fluoride, 2～4 parts；Calcium pyroborate, 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；Borax and sodium metasilicate totally 6～8 parts, the weight ratio of Borax and sodium metasilicate is 5～7:1.
Further, described high performance ceramic material is prepared from by the raw material of following weight portion: silicon nitride, and 85 Part；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 parts；Calcium pyroborate, 2 parts；Oxidation Bismuth, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax and sodium metasilicate totally 7 parts, Borax and The weight ratio of sodium metasilicate is 6:1.
Further, described high performance ceramic material is prepared from by the raw material of following weight portion: silicon nitride, and 80 Part；Chromium oxide, 3 parts；Carborundum, 4 parts；Silicon dioxide, 3 parts；Titanium dioxide, 4 parts；Calcium fluoride, 2 parts；Calcium pyroborate, 1 part；Oxidation Bismuth, 2 parts；Polyethylene Glycol, 0.8 part；Polyacrylic acid, 0.6 part；Deionized water, 25 parts；Borax and sodium metasilicate totally 6 parts, Borax and The weight ratio of sodium metasilicate is 5:1.
Further, described high performance ceramic material is prepared from by the raw material of following weight portion: silicon nitride, and 90 Part；Chromium oxide, 5 parts；Carborundum, 6 parts；Silicon dioxide, 5 parts；Titanium dioxide, 6 parts；Calcium fluoride, 4 parts；Calcium pyroborate, 3 parts；Oxidation Bismuth, 4 parts；Polyethylene Glycol, 1.2 parts；Polyacrylic acid, 0.8 part；Deionized water, 35 parts；Borax and sodium metasilicate totally 8 parts, Borax and The weight ratio of sodium metasilicate is 7:1.
The preparation method of above-mentioned high performance ceramic material, comprises the steps:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, granule step S1, S2 obtained mixes, and adds deionized water and is mixed into pureed, sends in ball mill Ball milling 2～3 hours, be dried, and sends in calcining furnace, calcines 1～2 hour at 800～900 DEG C, take out and pulverize, crosses 200 mesh Sieve, obtains granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2～3 is little Time, to dry at 110～120 DEG C, cross 40 mesh sieves, hot pressing at 1600～1700 DEG C, hot pressing pressure is 20～30MPa, hot pressing Time is 50～60 minutes, to obtain final product.
Advantages of the present invention:
The ceramic material toughness that the present invention provides is high, hardness is high, and intensity is big, is suitable for use as ceramic cutting tool material.
Detailed description of the invention
Further illustrate the essentiality content of the present invention below in conjunction with embodiment, but do not limit the present invention with this and protect model Enclose.Although the present invention being explained in detail with reference to preferred embodiment, it will be understood by those within the art that, can be right Technical scheme is modified or equivalent, without deviating 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 compares:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 Part；Calcium pyroborate, 2 parts；Bismuth oxide, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax is with inclined Sodium silicate totally 7 parts, the weight ratio of Borax and sodium metasilicate is 6:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
Embodiment 2: the preparation of high performance ceramic material
Parts by weight of raw materials compares:
Silicon nitride, 80 parts；Chromium oxide, 3 parts；Carborundum, 4 parts；Silicon dioxide, 3 parts；Titanium dioxide, 4 parts；Calcium fluoride, 2 Part；Calcium pyroborate, 1 part；Bismuth oxide, 2 parts；Polyethylene Glycol, 0.8 part；Polyacrylic acid, 0.6 part；Deionized water, 25 parts；Borax is with inclined Sodium silicate totally 6 parts, the weight ratio of Borax and sodium metasilicate is 5:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
Embodiment 3: the preparation of high performance ceramic material
Parts by weight of raw materials compares:
Silicon nitride, 90 parts；Chromium oxide, 5 parts；Carborundum, 6 parts；Silicon dioxide, 5 parts；Titanium dioxide, 6 parts；Calcium fluoride, 4 Part；Calcium pyroborate, 3 parts；Bismuth oxide, 4 parts；Polyethylene Glycol, 1.2 parts；Polyacrylic acid, 0.8 part；Deionized water, 35 parts；Borax is with inclined Sodium silicate totally 8 parts, the weight ratio of Borax and sodium metasilicate is 7:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
Embodiment 4: the preparation of high performance ceramic material
Parts by weight of raw materials compares:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 Part；Calcium pyroborate, 2 parts；Bismuth oxide, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax is with inclined Sodium silicate totally 7 parts, the weight ratio of Borax and sodium metasilicate is 5:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
Embodiment 5: the preparation of high performance ceramic material
Parts by weight of raw materials compares:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 Part；Calcium pyroborate, 2 parts；Bismuth oxide, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax is with inclined Sodium silicate totally 7 parts, the weight ratio of Borax and sodium metasilicate is 7:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
The weight ratio of embodiment 6: comparative example, Borax and sodium metasilicate is 4:1
Parts by weight of raw materials compares:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 Part；Calcium pyroborate, 2 parts；Bismuth oxide, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax is with inclined Sodium silicate totally 7 parts, the weight ratio of Borax and sodium metasilicate is 4:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
The weight ratio of embodiment 7: comparative example, Borax and sodium metasilicate is 8:1
Parts by weight of raw materials compares:
Silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 Part；Calcium pyroborate, 2 parts；Bismuth oxide, 3 parts；Polyethylene Glycol, 1.0 parts；Polyacrylic acid, 0.7 part；Deionized water, 30 parts；Borax is with inclined Sodium silicate totally 7 parts, the weight ratio of Borax and sodium metasilicate is 8:1.
Preparation method:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate Close, ball milling, cross 200 mesh sieves, obtain granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, by step S1, the mixing of S2 granule, adds deionized water and is mixed into pureed, send into ball milling 2.5 in ball mill Individual hour, it is dried, sends in calcining furnace, calcine 1.5 hours at 850 DEG C, take out and pulverize, cross 200 mesh sieves, obtain granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, and ball milling 2.5 is little Time, to dry at 115 DEG C, cross 40 mesh sieves, hot pressing at 1650 DEG C, hot pressing pressure is 25MPa, and hot pressing time is 55 minutes.
Embodiment 8: effect example
The performance of the ceramic material of testing example 1～7 preparation respectively, result is as follows.
Fracture toughness/MPa m1/2 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 of embodiment 2,3 is basically identical with embodiment 4,5.
Above-mentioned test result indicate that, the ceramic material toughness that the present invention provides is high, hardness is high, and intensity is big, is suitable for use as pottery Porcelain cutter material.This technique effect is relevant with the weight ratio of Borax in raw material and sodium metasilicate, Borax and sodium metasilicate Weight ratio when being 5～7:1, the best performance of ceramic material.
The effect of above-described embodiment indicates that the essentiality content of the present invention, but does not limit the protection of the present invention with this Scope.It will be understood by those within the art that, technical scheme can be modified or equivalent, Essence and protection domain without deviating from technical solution of the present invention.

Claims (5)

1. a high performance ceramic material, it is characterised in that be prepared from by the raw material of following weight portion: silicon nitride, 80～ 90 parts；Chromium oxide, 3～5 parts；Carborundum, 4～6 parts；Silicon dioxide, 3～5 parts；Titanium dioxide, 4～6 parts；Calcium fluoride, 2～4 Part；Calcium pyroborate, 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；Borax and sodium metasilicate totally 6～8 parts, the weight ratio of Borax and sodium metasilicate is 5～7:1.
High performance ceramic material the most according to claim 1, it is characterised in that by the raw material preparation of following weight portion Become: silicon nitride, 85 parts；Chromium oxide, 4 parts；Carborundum, 5 parts；Silicon dioxide, 4 parts；Titanium dioxide, 5 parts；Calcium fluoride, 3 parts；Boron Acid 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.
High performance ceramic material the most according to claim 1, it is characterised in that by the raw material preparation of following weight portion Become: silicon nitride, 80 parts；Chromium oxide, 3 parts；Carborundum, 4 parts；Silicon dioxide, 3 parts；Titanium dioxide, 4 parts；Calcium fluoride, 2 parts；Boron Acid 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.
High performance ceramic material the most according to claim 1, it is characterised in that by the raw material preparation of following weight portion Become: silicon nitride, 90 parts；Chromium oxide, 5 parts；Carborundum, 6 parts；Silicon dioxide, 5 parts；Titanium dioxide, 6 parts；Calcium fluoride, 4 parts；Boron Acid 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 the arbitrary described high performance ceramic material of Claims 1 to 4, it is characterised in that comprise the steps:
Step S1, mixes chromium oxide, carborundum, silicon dioxide, calcium fluoride, Calcium pyroborate, bismuth oxide, Borax and sodium metasilicate, Ball milling, crosses 200 mesh sieves, obtains granule；
Step S2, by silicon nitride, titanium dioxide mixing, ball milling, crosses 250 mesh sieves, obtains granule；
Step S3, granule step S1, S2 obtained mixes, and adds deionized water and is mixed into pureed, sends into ball milling 2 in ball mill ～3 hours, it is dried, sends in calcining furnace, calcine 1～2 hour at 800～900 DEG C, take out and pulverize, cross 200 mesh sieves, To granule；
Step S4, granule step S3 obtained mixes with polyacrylic acid, Polyethylene Glycol, stirs, ball milling 2～3 hours, Drying at 110～120 DEG C, cross 40 mesh sieves, hot pressing at 1600～1700 DEG C, hot pressing pressure is 20～30MPa, and hot pressing time is 50～60 minutes, to obtain final product.
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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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* Cited by examiner, † Cited by third party
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
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