CN108585950A - The restorative procedure of Nixing pottery micro-crack - Google Patents

The restorative procedure of Nixing pottery micro-crack Download PDF

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Publication number
CN108585950A
CN108585950A CN201810523149.6A CN201810523149A CN108585950A CN 108585950 A CN108585950 A CN 108585950A CN 201810523149 A CN201810523149 A CN 201810523149A CN 108585950 A CN108585950 A CN 108585950A
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China
Prior art keywords
crack
nixing pottery
mixed serum
green body
slight crack
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Application number
CN201810523149.6A
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Chinese (zh)
Inventor
钟恒成
李秀明
王宁
闭宗庭
苏顺亨
黄立康
吴尚玉
陈玉星
刘展鹏
刘鹏飞
何艳梅
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Qinzhou University
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Qinzhou University
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Priority to CN201810523149.6A priority Critical patent/CN108585950A/en
Publication of CN108585950A publication Critical patent/CN108585950A/en
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5024—Silicates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B33/00—Clay-wares
    • C04B33/24—Manufacture of porcelain or white ware
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4572—Partial coating or impregnation of the surface of the substrate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The present invention provides the restorative procedures of Nixing pottery micro-crack, include the following steps：1) by flyash and CeCl3Grinding, adds water to stir evenly, obtains mixed serum；2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；Continue to dip at mixed serum smearing slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled；3) green body is smoothed out, 15~30min, natural cooling are fired at 1000~1100 DEG C.The present invention at powerful mullite network structure and slight crack by carrying out cross-fixing, to play the role of repairing slight crack, thin but also more mullite network structure intensity is larger not only, can hinder the sliding of crystal boundary, the extension that can prevent crackle, to effectively prevent secondary cracking.

Description

The restorative procedure of Nixing pottery micro-crack
Technical field
The present invention relates to the manufacture crafts of Nixing pottery, and in particular to the restorative procedure of Nixing pottery micro-crack.
Background technology
The technique of Nixing pottery includes mainly following steps：1) blank is prepared：Blank, which is selected, crosses admiring for Qiezhou urban district The soil of Jiang Yidong, being commonly called as eastern mud, (for mild-clay, color is yellow-white, contains micro quartz sand, in the production technology of Nixing pottery In serve adjustment plasticity with associativity), and by the emperor himself to the west of river region soil, be commonly called as western mud (containing a small amount of K2O、NaO、 CaO、MgO、Fe203、TiO2、MnO2, it is a kind of higher purple mudstone of iron-holder, color is aubergine, and superficial layer has a small amount of irony Dip dyeing is hard paste, and plasticity and associativity are poor), the weight percent by eastern mud 40~60%, western mud 40~60% is mixed It closes, blank is made in the series of process such as ground, dehydration；The moisture content of blank is 24~25%；2) blank forming：Using plastic The green body of various types is made in blank by method or slip casting method；3) green body is modified：Green body is modified to reach design requirement；4) it does It is dry：Green body is dried using aeration drying, green body moisture is made to exclude；5) drawing engraving：It picture and is carried out in green body writing of submitting a written statement to a higher authority Engraving；6)：Body drying；7) green body is fired：Dry green body loading of kiln to be fired, firing temperature is controlled at 1100~1200 DEG C, Firing time is 10h, kiln discharge after cooling；8) polishing grinding：By green body polishing polish to get.
The defect of Nixing pottery is exactly that brittleness is big, the polycrystalline structure that Nixing pottery is made of ionic bond or covalent bond, these changes The atom for learning key arranges closely unlike metallic bond, is difficult to cause the movement of dislocation there are many hole.Covalent bond is directional, Keep crystal structure complicated, and the ability with higher anti-distortion and obstruction displacement movement, lacks the cunning that material can be promoted to deform Shifting system.Nixing pottery is once by applied load, along with ceramic process it is difficult to which being constituted in material surface for avoiding is micro- scarce Sunken presence, they all constitute formation of crack, and stress will be concentrated at the tip of these crackles.Nixing pottery can disappear either with or without other The system for consuming extraneous energy, is only exchanged with new free energy.So-called new free energy is exactly the extension shape of crack tip At the energy that is absorbed of new surface.Such result results in the Quick Extended of crackle and shows as so-called brittleness and break It splits.
Invention content
Technical problem to be solved by the invention is to provide the restorative procedure of Nixing pottery micro-crack, which thoroughly repairs base The hallrcuts of body, moreover it is possible to effectively prevent secondary cracking after firing.
In order to solve the above technical problems, the technical solution adopted by the present invention is the restorative procedure of Nixing pottery micro-crack, including Following steps：
1) by flyash and CeCl3Grinding, adds water to stir evenly, obtains mixed serum；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 15~30min, natural cooling are fired at 1000~1100 DEG C.
Al in flyash2O3、Fe2O3, MgO be eutectic oxide, liquid phase can be formed at 1000~1100 DEG C, promote Into the synthesis of mullite, Cl-Presence can reduce the viscosity of liquid phase, the atom in liquid phase is more prone to spread, under the conditions of this The initial stage that mullite is precipitated, there is high nucleation rate, atoms permeating easy to perform to accelerate the growth of bar-like grains, therefore shape At more mullite bar-like grains.Ce3+Rodlike mullite grains size can be refined, particle is completely embedded, intergranular to have It imitates migration area and contact area increases, more but also thin mullite bar-like grains form huge network structure not only for these, penetrate into To slight crack depths, crossover network is formed with slight crack, to play the role of repairing slight crack.Not only due to not only thin but also more mullite net Network structural strength is larger, can hinder the sliding of crystal boundary, can prevent the extension of crackle, to effectively prevent secondary cracking.
Although rare earth oxide can also play the role of crystal grain thinning, the quantity of crystal grain can not be increased, crystal grain is thin But it is few, good repairing effect can not be played, secondary cracking is extremely easy tod produce.
Low congruent melting oxide altogether in flyash is between sintering cooling stage remnants liquid phases are filled in rodlike mullite grains Gap and play bonding effect, avoid mullite growth caused by short texture, further improve repairing effect.
The moisture content of mixed serum is 30~50%.
Flyash is ground to 200~400 mesh.
CeCl3Weight be flyash 0.01~0.05%.
15~20min is fired at 1000~1050 DEG C.
Compared with prior art, the present invention is by carrying out cross-fixing at powerful mullite network structure and slight crack, from And play the role of repairing slight crack, thin but also more mullite network structure intensity is larger not only, can hinder the sliding of crystal boundary, can be to prevent The extension of crack arrest line, to effectively prevent secondary cracking.
Specific implementation mode
The essentiality content further illustrated the present invention below with embodiment, but the present invention is not limited with this.
It is that identical size, same process, the same batch of same recipe are made to test Nixing pottery green body used below Nixing pottery vessel, adopt and carry out Crack handling in a like fashion, crack size is same, and (length 3cm, depth are 0.5mm)。
Embodiment 1
1) by flyash and CeCl3200 mesh are ground to, water is added to stir evenly, obtain the mixed serum that moisture content is 30%； CeCl3Weight be flyash 0.01%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 15min, natural cooling are fired at 1000 DEG C.
Flexural strength test, intensity 115MPa are carried out to slight crack repair place.
Reference examples 1
1) by flyash and Ce2O3200 mesh are ground to, water is added to stir evenly, obtain the mixed serum that moisture content is 30%； Ce2O3Weight be flyash 0.01%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 15min, natural cooling are fired at 1000 DEG C.
Flexural strength test, intensity 55MPa are carried out to slight crack repair place.
Reference examples 2
1) flyash is ground to 200 mesh, water is added to stir evenly, obtain the mixed serum that moisture content is 30%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 15min, natural cooling are fired at 1000 DEG C.
Flexural strength test, intensity 31MPa are carried out to slight crack repair place.
Reference examples 3
1) with brush dip Nixing pottery blank slurries (moisture content 30%) uniformly smear Nixing pottery green body slight crack at until Complete wetting spontaneously dries；Continue to dip at slurries smearing slight crack until complete wetting, natural drying so repeat, up to dry Until the crack of dry green body is filled；
2) green body is smoothed out, 15min, natural cooling are fired at 1000 DEG C.
Flexural strength test, intensity 15MPa are carried out to slight crack repair place.
Embodiment 2
1) by flyash and CeCl3400 mesh are ground to, water is added to stir evenly, obtain the mixed serum that moisture content is 50%； CeCl3Weight be flyash 0.05%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 30min, natural cooling are fired at 1100 DEG C.
Flexural strength test, intensity 106MPa are carried out to slight crack repair place.
Embodiment 3
1) by flyash and CeCl3300 mesh are ground to, water is added to stir evenly, obtain the mixed serum that moisture content is 40%； CeCl3Weight be flyash 0.03%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 18min, natural cooling are fired at 1020 DEG C.
Flexural strength test, intensity 108MPa are carried out to slight crack repair place.
Embodiment 4
1) by flyash and CeCl32000 mesh are ground to, water is added to stir evenly, obtain the mixing slurry that moisture content is 50% Liquid；CeCl3Weight be flyash 0.01%；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；After The continuous mixed serum that dips is smeared at slight crack until complete wetting, natural drying so repeat, until the crack of dry base substrate is filled out Until full；
3) green body is smoothed out, 15min, natural cooling are fired at 1100 DEG C.
Flexural strength test, intensity 110MPa are carried out to slight crack repair place.

Claims (5)

1. the restorative procedure of Nixing pottery micro-crack, it is characterised in that：Include the following steps：
1) by flyash and CeCl3Grinding, adds water to stir evenly, obtains mixed serum；
2) mixed serum is dipped with brush uniformly to smear at Nixing pottery green body slight crack until complete wetting, spontaneously dries；Continue to dip in Take mixed serum to smear at slight crack until complete wetting, spontaneously dry, so repeat, until the crack of dry base substrate be filled for Only；
3) green body is smoothed out, 15~30min, natural cooling are fired at 1000~1100 DEG C.
2. the restorative procedure of Nixing pottery micro-crack according to claim 1, it is characterised in that：The moisture content of mixed serum is 30~50%.
3. the restorative procedure of Nixing pottery micro-crack according to claim 1, it is characterised in that：Flyash is ground to 200 ~400 mesh.
4. the restorative procedure of Nixing pottery micro-crack according to claim 1, it is characterised in that：CeCl3Weight be flyash 0.01~0.05%.
5. the restorative procedure of Nixing pottery micro-crack according to claim 4, it is characterised in that：It is burnt at 1000~1050 DEG C Make 15~20min.
CN201810523149.6A 2018-05-28 2018-05-28 The restorative procedure of Nixing pottery micro-crack Withdrawn CN108585950A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114804923A (en) * 2022-02-23 2022-07-29 刘彦辉 Repairing method for nixing pottery

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103771902A (en) * 2014-01-03 2014-05-07 惠达卫浴股份有限公司 Repair material and repair method for sanitary ceramics

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103771902A (en) * 2014-01-03 2014-05-07 惠达卫浴股份有限公司 Repair material and repair method for sanitary ceramics

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
林彬荫: "《蓝晶石 红柱石 硅线石》", 31 March 2011, 冶金工业出版社 *
陈群玉: "利用机械力化学活化粉煤灰制备莫来石", 《中国科技论文》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114804923A (en) * 2022-02-23 2022-07-29 刘彦辉 Repairing method for nixing pottery

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