CN103896616B - A kind of ceramic fibre strengthens ceramic powders composite ceramics and coating production thereof - Google Patents
A kind of ceramic fibre strengthens ceramic powders composite ceramics and coating production thereof Download PDFInfo
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- CN103896616B CN103896616B CN201210570693.9A CN201210570693A CN103896616B CN 103896616 B CN103896616 B CN 103896616B CN 201210570693 A CN201210570693 A CN 201210570693A CN 103896616 B CN103896616 B CN 103896616B
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Abstract
The invention discloses a kind of ceramic fibre enhancing ceramic powders composite ceramics and the coating production thereof that belong to ceramic coating preparing technical field. The present invention adds a certain amount of ceramic fibre in ceramic powders, makes composite ceramics, and then utilizes the method for plasma spraying, to obtain thicker ceramic layer or ceramic slab after fully mixing. Utilize the maximum ga(u)ge of ceramic coating prepared by this composite ceramics can reach 55mm.<!--1-->
Description
Technical field
The invention belongs to ceramic material applied technical field, be specifically related to ceramic fibre and strengthen ceramic powdersComposite ceramics and coating or slab preparation method
Background technology
Pottery plasma spraying is to utilize plasma heating, makes ceramic material melting or semi-molten, andBy the ceramic material accelerating jetting in melting or semi-molten to a kind of process on matrix.Conventionally the matrix material of plasma spraying can be the nonferrous materials such as ferrous materials, Al, Ti, glass, pottery, plastics etc., accommodation is wide. The selection Main Basis of its material needs partFunction, can meet the requirements such as insulation, heat insulation, anticorrosion, anti-oxidant, low-dielectric loss.
Ceramic material kind conventional in plasma spraying is a lot, but mostly is powder body material, and different materialMaterial granularity requires to be not quite similar. To ceramic fibre, it not only can be used for making heatproof equipment lining, also can brush the thick heat-insulation layer of preparation etc. And that both are combined with is relatively less, especially existField of thermal spray. When ceramic coating or ceramic member are prepared in thermal spraying, coating layer thickness is often limited,Be difficult to the thickness that reaches higher. In actual production, due to ceramic member or the special use of ceramic layer, there is the situation that requires to have higher caliper in the needs on way. Adopt and in ceramic powders, add necessarilyAmount ceramic fibre, carries out plasma spraying after fully mixing, again to obtain thicker ceramic layer or potteryThe preparation method of thick ceramic layer or slab is prepared in a kind of effective solution of can yet be regarded as of porcelain plate base.
Summary of the invention
The object of the present invention is to provide a kind of ceramic fibre to strengthen ceramic powders composite ceramics and coating thereofOr the preparation method of slab.
A kind of ceramic fibre strengthens ceramic powders composite ceramics, is the ceramic powders of 15-55 μ m in granularityIn evenly mixing length be the ceramic fibre of 10 μ m-700 μ m, wherein ceramic fibre is composite materialThe 1-30% of material quality.
Described ceramic powders and ceramic fibre are identical or different ceramic material, and its material is respectively Al2O3、Cr2O3、TiO2、SiO2、ZrO2、MoSi2、CaO、MgO、SiC、WC、Cr3C2、Cr7C3、Cr23C6、VC、NbC、TiC、B4C、ZrC、AlN、Si3N4、BN、NbN、TiN、ZrN、CrN、VN、CrB2In one or more.
Utilize above-mentioned composite ceramics to prepare the method for ceramic coating, comprise the following steps:
(1) be that ceramic fibre and the granularity of 10 μ m-700 μ m is the ceramic powders of 15-55 μ m by lengthAfter being fully uniformly mixed, drying and pack plasma spraying dust feeder into;
(2) carrying out plasma spraying through the matrix surface of purification and texturing processing, make ceramic coatingOr ceramic slab.
Described in step (2), matrix is simple metal, alloy, graphite or plaster matrix.
In step (2), the thickness of ceramic coating is 0.5-55mm.
Beneficial effect of the present invention is: adopt and in ceramic powders, add a certain amount of ceramic fibre, fullyAfter mixing, carry out again plasma spraying, to obtain thicker ceramic layer or ceramic slab, the pottery of preparationThe maximum ga(u)ge of porcelain coating is 55mm, and the ceramic slab of preparing can be plane or curved surface.
Brief description of the drawings
Fig. 1 is thick flat ceramic schematic diagram.
Fig. 2 is thick arc surface ceramic wafer schematic diagram.
Detailed description of the invention
Embodiment 1
The present embodiment 1 is that plasma spraying is prepared thick Al2O3Ceramic coating.
Be the Al of 150-300 μ m by length2O3Ceramic fibre and granularity are the Al of 15-55 μ m2O3PotteryPowder (Al2O3Ceramic fibre and Al2O3The mass ratio of ceramic powders is 8:92) fully mix alsoDry, being ready to diameter is φ 100mm, and the steel matrix that length is 200mm, uses plasma sprayBe coated with technique and spray in appearance Al at rod iron matrix2O3Layer, adopts interrupted spraying coating process during this time, untilAl2O3The thickness of layer reaches 50.6mm, to Al2O3Outer surface carries out cylindricalo grinding, until be ground toExternal diameter φ 200mm, now appearance is comparatively bright and clean.
Embodiment 2
The present embodiment 2 is that plasma spraying is prepared thick Al2O3-ZrO2Composite ceramic coat.
Be the Al of 150-300 μ m by length2O3Ceramic fibre and granularity are the Z of 15-55 μ mrO2Ceramic powderEnd (Al2O3Ceramic fibre and ZrO2The mass ratio of ceramic powders is 30:70) fully mix and dryDry, being ready to diameter is φ 100mm, and the steel matrix that length is 200mm, uses plasma sprayingTechnique sprays Al in appearance at rod iron matrix2O3Layer, adopts interrupted spraying coating process during this time, until potteryThe thickness of enamel coating reaches 20.6mm, to Al2O3Outer surface carries out cylindricalo grinding, until be ground to external diameterφ 140mm, now appearance is comparatively bright and clean.
Embodiment 3
The present embodiment 3 is that plasma spraying is prepared Al2O3-SiO2Ceramic wafer.
Be the SiO of 300-700 μ m by length2Ceramic fibre and length are that the CaO pottery of 150-500 μ m is fineDimension is the Al of 15-50 μ m with granularity2O3Ceramic powders (SiO2Ceramic fibre, CaO ceramic fibre、Al2O3The mass ratio of ceramic powders is 0.8:0.2:99) fully mix and dry, prepare chiVery little is that 300mm × 200mm × 40mm(is long × wide × thick) graphite matrix, graphite matrix is enteredThe suitable processing of row sprays Al afterwards on graphite matrix with plasma spray coating process2O3-SiO2, the phaseBetween adopt interrupted spraying coating process, until Al2O3-SiO2The thickness of layer reaches 33mm, to Al2O3-SiO2Outer surface is dry grinded, and by appropriate method Al2O3-SiO2Ceramic wafer is from graphite matrixOn separate, take off Al2O3-SiO2Ceramic wafer, then carries out grinding, is ground to size 300mM × 200mm × 30mm(is long × high × wide) as shown in Figure 1, as the ceramic substrate of particular/special requirementOr load bearing board.
Embodiment 4
The present embodiment 4 is that plasma spraying is prepared thick curved surface Al2O3-TiO2Ceramic wafer.
The TiO2 ceramic fibre and the granularity that are 10-150 μ m by length are the Al of 15-50 μ m2O3Ceramic powderEnd (TiO2 ceramic fibre and Al2O3The mass ratio of ceramic powders is 20:80) fully mix and dryDry, prepare to be of a size of 200mm × 150mm × 20mm(cambered surface long × wide × thick), inner concave songRate radius is the arc surface plaster matrix of 200mm, sprays with plasma spray coating process in plaster matrixBe coated with Al2O3-TiO2, adopt during this time interrupted spraying coating process, until Al2O3-TiO2The thickness of layer reachesTo 13.0mm, to Al2O3-TiO2Layer outer surface dry grinded, and after meeting the requirements, uses appropriate methodAl2O3-TiO2Curved slab is separated from plaster matrix, takes off Al2O3-TiO2Ceramic wafer,Then polish, be ground to size 200mm × 150mm × 12.4mm(cambered surface long × wide × thick), shown in inside and outside concave curvature radius 200mm(Fig. 2) curve ceramic substrate.
Claims (4)
1. ceramic fibre strengthens the method that ceramic powders composite ceramics is prepared ceramic coating or ceramic slab,It is characterized in that, comprise the following steps:
(1) be that the ceramic fibre of 10 μ m-700 μ m and granularity are that the ceramic powders of 15-55 μ m is abundant by lengthAfter being uniformly mixed, drying and pack plasma spraying dust feeder into; Wherein ceramic fibre is composite material quality1-30％；
(2) carrying out plasma spraying through the matrix surface of purification and texturing processing, make ceramic coating or potteryPorcelain plate base; The thickness of described ceramic coating is 0.5-55mm; Described ceramic slab is plane or curved surface.
2. method according to claim 1, is characterized in that, ceramic powders described in step (1) andCeramic fibre is identical or different ceramic material, and its material is respectively Al2O3、Cr2O3、TiO2、SiO2、ZrO2、MoSi2、CaO、MgO、SiC、WC、Cr3C2、Cr7C3、Cr23C6、VC、NbC、TiC、B4C、ZrC、AlN、Si3N4、BN、NbN、TiN、ZrN、CrN、VN、CrB2In one withOn.
3. method according to claim 1, is characterized in that, prepares ceramic coating institute in step (2)The matrix adopting is simple metal, alloy, graphite or plaster matrix.
4. method according to claim 1, is characterized in that, the ceramic slab of preparation institute in step (2)The matrix adopting is graphite or plaster matrix.
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| CN201210570693.9A CN103896616B (en) | 2012-12-25 | 2012-12-25 | A kind of ceramic fibre strengthens ceramic powders composite ceramics and coating production thereof |
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| CN201210570693.9A CN103896616B (en) | 2012-12-25 | 2012-12-25 | A kind of ceramic fibre strengthens ceramic powders composite ceramics and coating production thereof |
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| CN103896616B true CN103896616B (en) | 2016-05-18 |
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Families Citing this family (13)
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| CN104451514A (en) * | 2014-10-30 | 2015-03-25 | 安徽鼎恒再制造产业技术研究院有限公司 | SiC-Al2O3 nano coating and preparation method thereof |
| CN104894502A (en) * | 2015-06-05 | 2015-09-09 | 哈尔滨工程大学 | Preparation method of plasma cladding nickel base/zirconium oxide fiber composite material |
| CN105239356A (en) * | 2015-09-05 | 2016-01-13 | 苏州宏久航空防热材料科技有限公司 | Composite ceramic coating for surface of SiC fiber and preparation method thereof |
| CN105174986A (en) * | 2015-09-05 | 2015-12-23 | 苏州宏久航空防热材料科技有限公司 | Silicon carbide fiber-based magnesium oxide-alumina double-layer coating preparation method |
| CN106638284A (en) * | 2016-11-29 | 2017-05-10 | 洛阳双瑞特种装备有限公司 | Bridge support with novel friction pair |
| CN106756993A (en) * | 2016-12-01 | 2017-05-31 | 广州市泓智机械有限公司 | A kind of metalwork composite ceramic material coating formula and its production technology |
| CN107312996A (en) * | 2017-06-26 | 2017-11-03 | 安徽雷萨重工机械有限公司 | A kind of low-cost aluminum alloy surface heat spraying method |
| CN107740027A (en) * | 2017-10-25 | 2018-02-27 | 宝鸡市永盛泰钛业有限公司 | A kind of preparation method with wear-resisting anti-stick coating metal material |
| CN107904536B (en) * | 2017-11-14 | 2020-01-07 | 北京矿冶研究总院 | Sealant-free molten zinc-aluminum corrosion resistant coating material and preparation method thereof |
| CN108048777A (en) * | 2017-12-08 | 2018-05-18 | 马鞍山合力仪表有限责任公司 | A kind of process of surface treatment of oxygen pressure reducer bourdon tube |
| CN109704771B (en) * | 2019-01-17 | 2021-11-19 | 宁波伏尔肯科技股份有限公司 | Preparation method of boron carbide porous ceramic for high-temperature gas cooled reactor nuclear control rod |
| CN115321988A (en) * | 2021-05-11 | 2022-11-11 | 宁波银瓷新材料有限公司 | Fiber-reinforced silicon nitride ceramic composite material and preparation method thereof |
| CN114368975B (en) * | 2021-12-30 | 2023-04-07 | 西安超码科技有限公司 | Containing alpha-Al 2 O 3 Coated low density C/C-SiC composite crucible |
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| CN1453239A (en) * | 2003-05-29 | 2003-11-05 | 上海交通大学 | Large grain spherical sub-micron/nano composite fiber-ceramic powder |
| CN1844442A (en) * | 2006-04-30 | 2006-10-11 | 河海大学 | Method for plasma spraying of wearable coating for aluminium alloy matrix surface |
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| CN101638317A (en) * | 2008-08-02 | 2010-02-03 | 比亚迪股份有限公司 | Fully stabilized zirconia ceramic material and preparation method thereof |
| JP2013511467A (en) * | 2009-11-23 | 2013-04-04 | アプライド ナノストラクチャード ソリューションズ リミテッド ライアビリティー カンパニー | CERAMIC COMPOSITE MATERIAL CONTAINING CARBON NANOTUBE LEATED FIBER MATERIAL AND PROCESS FOR PRODUCING THE SAME |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1453239A (en) * | 2003-05-29 | 2003-11-05 | 上海交通大学 | Large grain spherical sub-micron/nano composite fiber-ceramic powder |
| CN1844442A (en) * | 2006-04-30 | 2006-10-11 | 河海大学 | Method for plasma spraying of wearable coating for aluminium alloy matrix surface |
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Address after: 100088 Beijing city Xicheng District Xinjiekou Avenue No. 2 Co-patentee after: Youyan Powder New Materials Co.,Ltd. Patentee after: GENERAL Research Institute FOR NONFERROUS METALS Address before: 100088 Beijing city Xicheng District Xinjiekou Avenue No. 2 Co-patentee before: GRIPM ADVANCED MATERIALS Co.,Ltd. Patentee before: General Research Institute for Nonferrous Metals |
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Effective date of registration: 20190802 Address after: 101407 Beijing city Huairou District Yanqi Yanqi Economic Development Zone South four Street No. 12 Patentee after: Youyan Powder New Materials Co.,Ltd. Address before: 100088 Beijing city Xicheng District Xinjiekou Avenue No. 2 Co-patentee before: Youyan Powder New Materials Co.,Ltd. Patentee before: General Research Institute for Nonferrous Metals |