CN105152635A - Aluminum oxide ceramics eyelet with long service life - Google Patents

Abstract

The invention discloses an aluminum oxide ceramics eyelet with a long service life. The aluminum oxide ceramics eyelet with the long service life is prepared from the following raw materials in parts by weight: 6 to 10 parts of zirconia powder, 1 to 3 parts of dolomite powder, 60 to 70 parts of aluminium oxide, 1 to 3 parts of titanium carbide, 0.2 to 0.4 part of polymethyl methacrylate, 2 to 5 parts of kieselguhr, 1 to 3 parts of kaolin, 1 to 2 parts of silicon carbide, 1 to 3 parts of mica powder, 2 to 4 parts of rutile type titanium dioxide, 0.2 to 0.4 part of chlorcosane, 0.1 to 0.2 part of stearic acid, 1 to 2 parts of polyethylene glycol, 1 to 2 parts of rosin resin, 1 to 2 parts of hydroxyethyl cellulose, 6 to 8 parts of ethyl alcohol, and 7 to 15 parts of deionized water. In a formula of the invention, acid and alkali-resistant titanium dioxide, mica powder and titanium carbide are taken as the raw materials, the hardness and the acid and alkali resistance of the prepared ceramics materials are improved, and the service life of the ceramics eyelet is prolonged.

Description

A kind of alumina-ceramic eye of long service life

Technical field

The present invention relates to textile ceramics field, is exactly a kind of alumina-ceramic eye of long service life.

Background technology

Pottery eye is applicable to the parts of line silk rolling excessively in various winding machine and textile manufacturing machine, and processed by high technology ceramics, because hardness is higher, smooth surface, enameled wire is smooth and easy injury-free when its surface sliding.

Summary of the invention

The object of the present invention is to provide a kind of alumina-ceramic eye of long service life.

Above-mentioned purpose is realized by following scheme:

A kind of alumina-ceramic eye of long service life, it is characterized in that: it is obtained by the raw material of following weight parts: Zirconium oxide powder 6-10, ground dolomite 1-3, aluminum oxide 60-70, titanium carbide 1-3, polymethylmethacrylate 0.2-0.4, diatomite 2-5, kaolin 1-3, silicon carbide 1-2, mica powder 1-3, Rutile type Titanium Dioxide 2-4, clorafin 0.2-0.4, stearic acid 0.1-0.2, polyoxyethylene glycol 1-2, Gum Rosin 1-2, Natvosol 1-2, ethanol 6-8, deionized water 7-15.

The alumina-ceramic eye of described a kind of long service life, is characterized in that: preparation method is:

(1) after Natvosol, ethanol, deionized water stir at 56-62 DEG C, add stearic acid, polyoxyethylene glycol, Gum Rosin again, after stirring at 45-60 DEG C, adjustment PH is 6.5-7, add silicon carbide, mica powder, Rutile type Titanium Dioxide again, at 50-60 DEG C, 70-80 rev/min is stirred 10-20min, obtains composite material for subsequent use;

(2) added by aluminum oxide in the composite material of gained, stir at 60-70 DEG C, then leave standstill 30-50min, filter, after drying in 25-30 DEG C, 400-500 DEG C of calcining 16-25min, obtains coated aluminum oxide for subsequent use;

(3) Zirconium oxide powder, ground dolomite, diatomite, kaolin mixing and ball milling, sieve, and rear and coated aluminum oxide and all the other raw material blendings, add suitable quantity of water and obtain slurry;

(4) gained slurry drying, cross 100-200 mesh sieve after pulverizing, gained powder mix is shaping; At 580-620 DEG C of insulation 20-30min binder removal; Common process sinters, and furnace cooling, to obtain final product.

Beneficial effect of the present invention is:

Utilize the titanium dioxide of acid and alkali-resistance, mica powder and titanium carbide for raw material in formula of the present invention, the stupalith hardness of preparation and acid-proof alkaline are all improved, and the life-span of ceramic eye is increased; The present invention, by special composite coating liquid, makes silicon carbide, composite powder is coated on aluminum oxide top layer uniformly, increase the wear resistance of ceramic eye, thus increase work-ing life.

Embodiment

A kind of alumina-ceramic eye of long service life, it is obtained by the raw material of following weight (kg): Zirconium oxide powder 10, ground dolomite 1, aluminum oxide 70, titanium carbide 3, polymethylmethacrylate 0.4, diatomite 5, kaolin 1, silicon carbide 2, mica powder 3, Rutile type Titanium Dioxide 4, clorafin 0.4, stearic acid 0.2, polyoxyethylene glycol 1, Gum Rosin 2, Natvosol 1, ethanol 8, deionized water 15.

The alumina-ceramic eye of described a kind of long service life, preparation method is:

(1) after Natvosol, ethanol, deionized water stir at 62 DEG C, add stearic acid, polyoxyethylene glycol, Gum Rosin again, after stirring at 48 DEG C, PH is regulated to be 6.5, add silicon carbide, mica powder, Rutile type Titanium Dioxide again, at 60 DEG C, 80 revs/min are stirred 20min, obtain composite material for subsequent use;

(2) added by aluminum oxide in the composite material of gained, stir at 60 DEG C, then leave standstill 50min, filter, after drying in 30 DEG C, 500 DEG C of calcining 25min, obtain coated aluminum oxide for subsequent use;

(3) Zirconium oxide powder, ground dolomite, diatomite, kaolin mixing and ball milling, sieve, and rear and coated aluminum oxide and all the other raw material blendings, add suitable quantity of water and obtain slurry;

(4) gained slurry drying, cross 120 mesh sieves after pulverizing, gained powder mix is shaping; At 620 DEG C of insulation 30min binder removals; Common process sinters, and furnace cooling, to obtain final product.

The parameter of gained pottery eye is as follows:

Mohs' hardness 8, thermal conductivity (w/m.K) 24, cold crushing strength (MPa) >=620, strength at normal temperature (MPa) >=720, refractoriness (DEG C) >=2000, maximum operation (service) temperature (DEG C) >=1600.

Claims (2)

1. the alumina-ceramic eye of a long service life, it is characterized in that: it is obtained by the raw material of following weight parts: Zirconium oxide powder 6-10, ground dolomite 1-3, aluminum oxide 60-70, titanium carbide 1-3, polymethylmethacrylate 0.2-0.4, diatomite 2-5, kaolin 1-3, silicon carbide 1-2, mica powder 1-3, Rutile type Titanium Dioxide 2-4, clorafin 0.2-0.4, stearic acid 0.1-0.2, polyoxyethylene glycol 1-2, Gum Rosin 1-2, Natvosol 1-2, ethanol 6-8, deionized water 7-15.

2. the alumina-ceramic eye of a kind of long service life according to claim 1, is characterized in that: preparation method is:

(1) after Natvosol, ethanol, deionized water stir at 56-62 DEG C, add stearic acid, polyoxyethylene glycol, Gum Rosin again, after stirring at 45-60 DEG C, adjustment PH is 6.5-7, add silicon carbide, mica powder, Rutile type Titanium Dioxide again, at 50-60 DEG C, 70-80 rev/min is stirred 10-20min, obtains composite material for subsequent use;

(2) added by aluminum oxide in the composite material of gained, stir at 60-70 DEG C, then leave standstill 30-50min, filter, after drying in 25-30 DEG C, 400-500 DEG C of calcining 16-25min, obtains coated aluminum oxide for subsequent use;

(3) Zirconium oxide powder, ground dolomite, diatomite, kaolin mixing and ball milling, sieve, and rear and coated aluminum oxide and all the other raw material blendings, add suitable quantity of water and obtain slurry;

(4) gained slurry drying, cross 100-200 mesh sieve after pulverizing, gained powder mix is shaping; At 580-620 DEG C of insulation 20-30min binder removal; Common process sinters, and furnace cooling, to obtain final product.