CN106278260A - A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics - Google Patents
A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics Download PDFInfo
- Publication number
- CN106278260A CN106278260A CN201610597143.4A CN201610597143A CN106278260A CN 106278260 A CN106278260 A CN 106278260A CN 201610597143 A CN201610597143 A CN 201610597143A CN 106278260 A CN106278260 A CN 106278260A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- earth ion
- temperature
- preparation
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 37
- 239000000919 ceramic Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- -1 rare earth ion Chemical class 0.000 claims abstract description 32
- 238000000498 ball milling Methods 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 238000005245 sintering Methods 0.000 claims abstract description 11
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910001936 tantalum oxide Inorganic materials 0.000 claims abstract description 7
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 6
- 239000011812 mixed powder Substances 0.000 claims abstract description 5
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims abstract description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims abstract description 3
- 229910052772 Samarium Inorganic materials 0.000 claims abstract description 3
- 229910052769 Ytterbium Inorganic materials 0.000 claims abstract description 3
- 238000001354 calcination Methods 0.000 claims description 9
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 229910052727 yttrium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 3
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 2
- 229910052691 Erbium Inorganic materials 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000003701 mechanical milling Methods 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 9
- 239000002994 raw material Substances 0.000 abstract description 7
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 5
- 229960000935 dehydrated alcohol Drugs 0.000 abstract description 5
- 230000009970 fire resistant effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000010923 batch production Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 4
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 3
- 239000012720 thermal barrier coating Substances 0.000 description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- FFQALBCXGPYQGT-UHFFFAOYSA-N 2,4-difluoro-5-(trifluoromethyl)aniline Chemical compound NC1=CC(C(F)(F)F)=C(F)C=C1F FFQALBCXGPYQGT-UHFFFAOYSA-N 0.000 description 1
- 229910002080 8 mol% Y2O3 fully stabilized ZrO2 Inorganic materials 0.000 description 1
- 229910052771 Terbium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- GFUIDDAAIHYXJS-UHFFFAOYSA-N [Nd].[Yb] Chemical compound [Nd].[Yb] GFUIDDAAIHYXJS-UHFFFAOYSA-N 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- GEZAXHSNIQTPMM-UHFFFAOYSA-N dysprosium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Dy+3].[Dy+3] GEZAXHSNIQTPMM-UHFFFAOYSA-N 0.000 description 1
- ZXGIFJXRQHZCGJ-UHFFFAOYSA-N erbium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Er+3].[Er+3] ZXGIFJXRQHZCGJ-UHFFFAOYSA-N 0.000 description 1
- VQCBHWLJZDBHOS-UHFFFAOYSA-N erbium(III) oxide Inorganic materials O=[Er]O[Er]=O VQCBHWLJZDBHOS-UHFFFAOYSA-N 0.000 description 1
- 229910001940 europium oxide Inorganic materials 0.000 description 1
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- NYWITVDHYCKDAU-UHFFFAOYSA-N oxygen(2-) yttrium(3+) zirconium(4+) Chemical compound [O--].[O--].[Y+3].[Zr+4] NYWITVDHYCKDAU-UHFFFAOYSA-N 0.000 description 1
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910003454 ytterbium oxide Inorganic materials 0.000 description 1
- 229940075624 ytterbium oxide Drugs 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/495—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
Abstract
The present invention relates to the preparation method of a kind of pair of rare earth ion tantalates high-temperature ceramics, belong to high-temperature ceramics preparing technical field.The molecular formula of of the present invention pair of rare earth ion tantalates high-temperature ceramics is (REa/REb=Y,La,Nd,Sm,Eu,Gd,Dy,Er,Yb；REaAnd REbCan not be same rare earth element).Raw materials used for rare earth oxide with tantalum oxide, weigh raw material in proportion, load weighted raw material is placed in ball grinder together with dehydrated alcohol and mixes, seal and be placed on ball milling on planetary ball mill, can mix homogeneously, carry out first sintering sintering after mixed powder is dried, is sieved.Will cooling take out after sample be ground, ball milling, be dried, sieve that it is real to be placed on mould inner pressure, then carry out double sintering.Present invention process purity is high, and impurity content is low, and product preparation cost is low, is suitable for batch production, and purpose product is expected to as novel fire resistant, antioxidation, wear-resistant ceramic material.
Description
Technical field
The present invention relates to the preparation method of a kind of pair of rare earth ion tantalates high-temperature ceramics, belong to high-temperature ceramics technology of preparing
Field.
Background technology
From the point of view of the high-temperature ceramic materials of research in the past, it is likely to be suited for the main aerobic of ceramic material of high-temp heat barrier coating
Change the zirconium oxide of yttrium/ceria stabilized, zirconium oxide/aluminium oxide, zirconic acid lanthanum, strontium zirconate, zirconium phosphate, Zirconium orthosilicate., zirconia titanate, Mo Lai
Stone, rare earth oxide potteries etc., wherein zirconium oxide (YSZ) overall performance of stabilized with yttrium oxide is best, is to be widely used at present
Ceramic heat-barrier coating.But thermal barrier coating ceramic material (YSZ) is only capable of steady operation in the environment of less than 1200 DEG C, works as work
As temperature more than 1200 DEG C time, YSZ ceramic material is susceptible to phase transformation, and thermal coefficient of expansion and matrix material become not match that,
Result in the formation of high-temperature ceramic materials crackle, cause thermal barrier coating ceramic material to come off inefficacy the most at last, be difficult to meet
The requirement that before thermal engine, fuel gas inlet temperature improves constantly.Therefore, in the urgent need to seek one can long-term stable operation
Novel thermal barrier coating ceramic material under 1200 DEG C of conditions above.
In previous literature, rare earth tantalate is studied and more concentrates on its structure and its photoluminescent property, king
Fu Zhi et al. has synthesized (Lu1-xREx)TaO4Fluorophor (Lu=Y, Gd or La；RE=Tb or Eu；X=0.05～0.10)；Li Bo
Et al. use high-temperature solid phase reaction method synthesized M ' type YTaO4:Gd, Eu, reported Gd in detail3+、Eu3+The coactivated M ' of ion
Type YTaO4Luminosity, have studied the energy transport phenomenon between luminescence process mesostroma, sensitizer and activator.China
Patent CN 103923654A reports a kind of neodymium ytterbium codope rare earth positive tantalates up-conversion luminescent material, has chemical general formula
MeTaO4:xNd3+, yYb3+. wherein, Me is the one in yttrium, lanthanum, gadolinium or lutecium element.And double rare earth ions prepared by the present invention
Tantalates high-temperature ceramics is mainly used in heat barrier coat material, and its preparation method is simple, and it has good calorifics and mechanical property
Energy.
Summary of the invention
It is an object of the invention to provide the preparation method of a kind of pair of rare earth ion tantalates high-temperature ceramics, specifically include with
Lower step:
(1) by load weighted rare earth oxide and tantalum oxide mix homogeneously, carry out after mixed powder is dried, sieves
First sintering；
(2) after stove is cold, sample being ground, ball milling, is dried, sieves, the powder after sieving is placed in mould inner pressure
Real, obtain double rare earth ion tantalates high-temperature ceramics after then carrying out double sinteringDescribed REa/REbFor
One in Y, La, Nd, Sm, Eu, Gd, Dy, Er, Yb, REaAnd REbIt can not be same rare earth element；
Described
Preferably, in step (2), in mechanical milling process, the rotating speed of ball mill is 300r/min～500r/min, and Ball-milling Time is
60～180min.
Preferably, in step of the present invention (2), the temperature of dry run is 60～80 DEG C, and drying time is 10～24 hours.
Preferably, of the present invention sieving crosses 300 mesh sieves for powder.
Preferably, in step of the present invention (1), the temperature of first sintering is 1500～1700 DEG C, and calcination time is 2～10
Hour.
Preferably, in step of the present invention (2) during mixed-powder compacting, dwell pressure is 8～12MPa, and the dwell time is 30
～60min.
Preferably, in step of the present invention (2), double sintering temperature is 1500～1700 DEG C, and calcination time is 2～10 hours.
Prepared by the preparation method that another object of the present invention is to provide described double rare earth ion tantalates high-temperature ceramicss
The double rare earth ion tantalates high-temperature ceramicss obtained.
The invention has the beneficial effects as follows:
(1) can mix homogeneously after ball mill mixes powder so that it is can composition reaction when calcining.
(2) relatively low ((5～8.5) × 10 of double rare earth ion tantalates at high temperature thermal coefficient of expansions obtained by–7K-1)。
(3) the double rare earth ion tantalates obtained by have good high high-temp stability, are expected to as novel high temperature pottery
Ceramic material.
(4) the double rare earth ion tantalates obtained by have preferable mechanical property and calorifics compared with zirconium dioxide
Matter.
Accompanying drawing explanation
Fig. 1 is the (Eu prepared by embodiment 1 technical scheme0.6Gd0.4TaO4) scanning electron microscope (SEM) photograph of high-temperature ceramics block
(SEM collection of illustrative plates)；
Fig. 2 is the (Eu prepared by embodiment 1 technical scheme0.6Gd0.4TaO4) and stabilized with yttrium oxide zirconium oxide (YSZ)
The collection of illustrative plates of thermal conductivity.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail, but protection scope of the present invention is not limited to institute
State content.
Embodiment 1
A kind of high temperature resistant, antioxidation, wear-resistant pair of rare earth ion tantalates high-temperature ceramic materials described in the present embodiment
(Eu0.6Gd0.4TaO4) and preparation method thereof, specifically include following steps:
Weigh europium oxide 5.2788g, Gadolinia. 3.6249g, tantalum oxide 11.0473g, in dehydrated alcohol after mixing, put
Ball milling (rotating speed of ball mill is 400r/min, and Ball-milling Time is 120min), the mixing good by ball milling in planetary ball mill
Thing crosses 300 mesh sieves, by its pre-burning 5 hours at 1650 DEG C after being dried 16 hours at 74 DEG C.
After first time calcining raw materials, compound is ground to molecule (10～30 μm), is again dissolved in anhydrous second
In alcohol, it is placed in ball milling in planetary ball mill (rotating speed of ball mill is 400r/min, and Ball-milling Time is 120min), ball milling is good
Mixture be dried at 74 DEG C after 16 hours and cross 300 mesh sieves, then with mould, compressing (dwell pressure is 11MPa, pressurize
Time is 40min), compressing after, it is calcined 5 hours at 1650 DEG C, is cooled to room temperature, i.e. obtain required fine and close
Block double rare earth ion tantalates (Eu0.6Gd0.4TaO4) high-temperature ceramics, reaction equation is 0.3Eu2O3+0.2Gd2O3+
0.5Ta2O5=Eu0.6Gd0.4TaO4。
Double rare earth ion tantalates (Eu that the present embodiment prepares0.6Gd0.4TaO4) high-temperature ceramics purity height, pattern
Good, SEM collection of illustrative plates as shown in Figure 1.As in figure 2 it is shown, (the Eu obtained by this experiment0.6Gd0.4TaO4) with currently used 8YSZ
(2～3.5W.m-1k-1) compare, (Eu0.6Gd0.4TaO4) there is relatively low thermal conductivity, show (Eu0.6Gd0.4TaO4) in high-temperature hot
Barrier coating use has preferable thermal property.In terms of mechanics, relatively low hardness number (648HV) can stop residual effectively
Residue stress and the propagation of crackle, improve appearance toughness and the fracture toughness of high-temp heat barrier coating.Record through test
(Eu0.6Gd0.4TaO4) mean thermal expansion coefficients be about 8.5 × 10–7K-1。
Embodiment 2
A kind of novel fire resistant, antioxidation, wear-resistant pair of rare earth ion tantalates high-temperature ceramic materials described in the present embodiment
(La0.75Sm0.25TaO4) and preparation method thereof, specifically include following steps:
Weigh lanthana 4.8871g, Disamarium trioxide 1.7435g, tantalum oxide 8.8378g, in dehydrated alcohol after mixing, be placed in
Ball milling (rotating speed of ball mill is 350r/min, and Ball-milling Time is 140min), the mixture good by ball milling in planetary ball mill
300 mesh sieves are crossed, by its pre-burning 8 hours at 1550 DEG C after being dried 20 hours at 65 DEG C.
After first time calcining raw materials, compound is ground to molecule (10～30 μm), is again dissolved in anhydrous second
In alcohol, it is placed in ball milling in planetary ball mill (rotating speed of ball mill is 350r/min, and Ball-milling Time is 140min), ball milling is good
Mixture be dried at 65 DEG C after 20 hours and cross 300 mesh sieves, then with mould, compressing (dwell pressure is 9MPa, pressurize
Time is 55min), compressing after, it is calcined 8 hours at 1550 DEG C, is cooled to room temperature, i.e. obtain required fine and close block
The double rare earth ion tantalates (La of shape0.75Sm0.25TaO4) high-temperature ceramics, reaction equation is 0.375La2O3+0.125Sm2O3+
0.5Ta2O5=La0.75Sm0.25TaO4。
Embodiment 3
A kind of novel fire resistant, antioxidation, wear-resistant pair of rare earth ion tantalates high-temperature ceramic materials described in the present embodiment
(Y0.5Dy0.5TaO4) and preparation method thereof, specifically include following steps:
Weigh yittrium oxide 5.6452g, dysprosia 9.3249g, tantalum oxide 22.0946g, in dehydrated alcohol after mixing, put
Ball milling (rotating speed of ball mill is 300r/min, and Ball-milling Time is 180min), the mixing good by ball milling in planetary ball mill
Thing crosses 300 mesh sieves, by its pre-burning 10 hours at 1650 DEG C after being dried 24 hours at 60 DEG C.
After first time calcining raw materials, compound is ground to molecule (10～30 μm), is again dissolved in anhydrous second
In alcohol, it is placed in ball milling in planetary ball mill (rotating speed of ball mill is 300r/min, and Ball-milling Time is 180min), ball milling is good
Mixture be dried at 60 DEG C after 24 hours and cross 300 mesh sieves, then with mould, compressing (dwell pressure is 8MPa, pressurize
Time is 60min), compressing after, it is calcined 10 hours at 1650 DEG C, is cooled to room temperature, i.e. obtain required fine and close
Block double rare earth ion tantalates (Y0.5Dy0.5TaO4) high-temperature ceramics, reaction equation is 0.25Y2O3+0.25Dy2O3+
0.5Ta2O5=Y0.5Dy0.5TaO4。
Embodiment 4
A kind of novel fire resistant, antioxidation, wear-resistant pair of rare earth ion tantalates high-temperature ceramics tantalic acid described in the present embodiment
Salt (Er0.8Yb0.2TaO4) ceramic material and preparation method thereof, specifically include following steps:
Weigh Erbia 7.6503g, ytterbium oxide 1.9703g, tantalum oxide 11.0473g, in dehydrated alcohol after mixing, put
Ball milling (rotating speed of ball mill is 500r/min, and Ball-milling Time is 60min), the mixture good by ball milling in planetary ball mill
300 mesh sieves are crossed, by its pre-burning 2 hours at 1700 DEG C after being dried 10 hours at 80 DEG C.
After first time calcining raw materials, compound is ground to molecule (10～30 μm), is again dissolved in anhydrous second
In alcohol, it is placed in ball milling in planetary ball mill (rotating speed of ball mill is 500r/min, and Ball-milling Time is 60min), ball milling is good
Mixture be dried at 80 DEG C after 10 hours and cross 300 mesh sieves, then with mould, compressing (dwell pressure is 12MPa, pressurize
Time is 30min), compressing after, it is calcined 2 hours at 1700 DEG C, is cooled to room temperature, i.e. obtain required fine and close block
The double rare earth ion tantalates (Er of shape0.8Yb0.2TaO4) high-temperature ceramics, reaction equation is 0.4Er2O3+0.1Yb2O3+0.5Ta2O5
=Er0.8Yb0.2TaO4。
Claims (8)
1. the preparation method of double rare earth ion tantalates high-temperature ceramicss, it is characterised in that specifically include following steps:
(1) by load weighted rare earth oxide and tantalum oxide mix homogeneously, first after mixed powder is dried, is sieved, is carried out
Secondary sintering；
(2) after stove is cold, sample being ground, ball milling, is dried, sieves, it is real that the powder after sieving is placed in mould inner pressure, so
After carry out double sintering after obtain double rare earth ion tantalates high-temperature ceramics；Described REa/REbFor Y, La,
One in Nd, Sm, Eu, Gd, Dy, Er, Yb, and REaAnd REbFor different rare earth elements；
Described:。
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: step
(2) in, in mechanical milling process, the rotating speed of ball mill is 300r/min～500r/min, and Ball-milling Time is 60～180min.
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: step
(2) in, the temperature of dry run is 60～80 DEG C, and drying time is 10～24 hours.
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: the most sieved
In journey, powder crosses 300 mesh sieves.
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: step
(1) in, the temperature of first sintering is 1500～1700 DEG C, and calcination time is 2～10 hours.
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: step
(2), in during mixed-powder compacting, dwell pressure is 8～12 MPa, and the dwell time is 30～60min.
The preparation method of the most according to claim 1 pair of rare earth ion tantalates high-temperature ceramics, it is characterised in that: step
(2) in, double sintering temperature is 1500～1700 DEG C, and calcination time is 2～10 hours.
8. one kind by the preparation method of the double rare earth ion tantalates high-temperature ceramicss described in claim 1 to 8 any claim
The double rare earth ion tantalates high-temperature ceramicss prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597143.4A CN106278260A (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610597143.4A CN106278260A (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106278260A true CN106278260A (en) | 2017-01-04 |
Family
ID=57652583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610597143.4A Pending CN106278260A (en) | 2016-07-27 | 2016-07-27 | A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106278260A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585787A (en) * | 2017-08-30 | 2018-01-16 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Sm Eu Dy tri- and preparation method and application |
| CN107662947A (en) * | 2017-08-30 | 2018-02-06 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Sm Eu Gd tri- and preparation method and application |
| CN107698255A (en) * | 2017-08-30 | 2018-02-16 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Eu Gd Dy tri- and preparation method and application |
| CN109836155A (en) * | 2019-01-18 | 2019-06-04 | 昆明理工大学 | A kind of double rare earth tantalate solid solution refractory ceramics of densification ferroelasticity and preparation method thereof |
| CN110002871A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of two-phase rare earth tantalate ceramics and preparation method thereof |
| CN110002872A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of rare earth tantalic acid ytterbium ceramics and preparation method thereof of anti-low melting point oxide corrosion |
| CN110002870A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of rare earth tantalate ceramics and preparation method thereof of anti-low melting point oxide corrosion |
| CN110078507A (en) * | 2019-06-18 | 2019-08-02 | 昆明理工大学 | A kind of high entropy rare earth toughening tantalates ceramics and preparation method thereof |
| CN110759733A (en) * | 2019-11-19 | 2020-02-07 | 湘潭大学 | Y0.5Dy0.5Ta0.5Nb0.5O4Tantalum ceramic material and preparation method thereof |
| CN111138191A (en) * | 2019-12-27 | 2020-05-12 | 江苏师范大学 | Eu (Eu)3+Ion activated tantalate fluorescent ceramic and synthesis method and application thereof |
| CN113603140A (en) * | 2021-08-31 | 2021-11-05 | 陕西天璇涂层科技有限公司 | Method for preparing double rare earth tantalate hollow sphere powder by centrifugal spray granulation method |
| CN114956813A (en) * | 2022-05-11 | 2022-08-30 | 中钢集团洛阳耐火材料研究院有限公司 | Y 0.5 Gd 0.5 TaO 4 Preparation method of nano powder |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764613A (en) * | 2003-03-26 | 2006-04-26 | 三菱重工业株式会社 | Material for thermal barrier coating |
| CN101269960A (en) * | 2008-04-30 | 2008-09-24 | 哈尔滨工业大学 | Composite rare earth zirconate thermal barrier coating ceramic material and preparation method thereof |
| CN105777118A (en) * | 2016-02-19 | 2016-07-20 | 昆明理工大学 | Lanthanide rare-earth tantalite high-temperature ceramic and preparation method thereof |
-
2016
- 2016-07-27 CN CN201610597143.4A patent/CN106278260A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1764613A (en) * | 2003-03-26 | 2006-04-26 | 三菱重工业株式会社 | Material for thermal barrier coating |
| CN101269960A (en) * | 2008-04-30 | 2008-09-24 | 哈尔滨工业大学 | Composite rare earth zirconate thermal barrier coating ceramic material and preparation method thereof |
| CN105777118A (en) * | 2016-02-19 | 2016-07-20 | 昆明理工大学 | Lanthanide rare-earth tantalite high-temperature ceramic and preparation method thereof |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107662947B (en) * | 2017-08-30 | 2019-09-10 | 昆明工匠涂层科技有限公司 | Tri- rare earth ion tantalates of Sm-Eu-Gd and the preparation method and application thereof |
| CN107662947A (en) * | 2017-08-30 | 2018-02-06 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Sm Eu Gd tri- and preparation method and application |
| CN107698255A (en) * | 2017-08-30 | 2018-02-16 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Eu Gd Dy tri- and preparation method and application |
| CN107585787A (en) * | 2017-08-30 | 2018-01-16 | 昆明工匠涂层科技有限公司 | Rare earth ion tantalates of Sm Eu Dy tri- and preparation method and application |
| CN107698255B (en) * | 2017-08-30 | 2020-12-08 | 昆明工匠涂层科技有限公司 | Eu-Gd-Dy three rare earth ion tantalate and preparation method and application thereof |
| CN109836155A (en) * | 2019-01-18 | 2019-06-04 | 昆明理工大学 | A kind of double rare earth tantalate solid solution refractory ceramics of densification ferroelasticity and preparation method thereof |
| CN110002871A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of two-phase rare earth tantalate ceramics and preparation method thereof |
| CN110002870A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of rare earth tantalate ceramics and preparation method thereof of anti-low melting point oxide corrosion |
| CN110002872A (en) * | 2019-04-26 | 2019-07-12 | 昆明理工大学 | A kind of rare earth tantalic acid ytterbium ceramics and preparation method thereof of anti-low melting point oxide corrosion |
| CN110078507A (en) * | 2019-06-18 | 2019-08-02 | 昆明理工大学 | A kind of high entropy rare earth toughening tantalates ceramics and preparation method thereof |
| CN110078507B (en) * | 2019-06-18 | 2020-12-18 | 昆明理工大学 | High-entropy rare earth toughened tantalate ceramic and preparation method thereof |
| CN110759733A (en) * | 2019-11-19 | 2020-02-07 | 湘潭大学 | Y0.5Dy0.5Ta0.5Nb0.5O4Tantalum ceramic material and preparation method thereof |
| CN110759733B (en) * | 2019-11-19 | 2022-05-31 | 湘潭大学 | Y0.5Dy0.5Ta0.5Nb0.5O4Tantalum ceramic material and preparation method thereof |
| CN111138191A (en) * | 2019-12-27 | 2020-05-12 | 江苏师范大学 | Eu (Eu)3+Ion activated tantalate fluorescent ceramic and synthesis method and application thereof |
| CN111138191B (en) * | 2019-12-27 | 2022-03-22 | 江苏师范大学 | Eu (Eu)3+Ion activated tantalate fluorescent ceramic and synthesis method and application thereof |
| CN113603140A (en) * | 2021-08-31 | 2021-11-05 | 陕西天璇涂层科技有限公司 | Method for preparing double rare earth tantalate hollow sphere powder by centrifugal spray granulation method |
| CN114956813A (en) * | 2022-05-11 | 2022-08-30 | 中钢集团洛阳耐火材料研究院有限公司 | Y 0.5 Gd 0.5 TaO 4 Preparation method of nano powder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106278260A (en) | A kind of preparation method of pair of rare earth ion tantalates high-temperature ceramics | |
| CN105777118A (en) | Lanthanide rare-earth tantalite high-temperature ceramic and preparation method thereof | |
| CN106187185A (en) | A kind of preparation method of rare earth niobates high-temperature ceramics | |
| JP7303332B2 (en) | High entropy rare earth high toughness tantalate ceramics and method for producing the same | |
| CN113023776B (en) | Fluorite-structured high-entropy oxide powder for thermal barrier coating and preparation method thereof | |
| JP7412019B2 (en) | Rare earth tantalate ceramics that prevent corrosion due to low melting point oxides and their manufacturing method | |
| CN106167406B (en) | Yttrium tantalate high-temperature ceramic and preparation method thereof | |
| CN110078504A (en) | A kind of counterfeit binary complex phase rare earth niobate ceramics of fabricated in situ and preparation method thereof | |
| CN107285768A (en) | A kind of preparation method of rare earth tantalate refractory ceramics | |
| CN110002870A (en) | A kind of rare earth tantalate ceramics and preparation method thereof of anti-low melting point oxide corrosion | |
| CN109836155A (en) | A kind of double rare earth tantalate solid solution refractory ceramics of densification ferroelasticity and preparation method thereof | |
| Li et al. | Effects of Gd3+ substitution on the fabrication of transparent (Y1− xGdx) 3Al5O12 ceramics | |
| CN107602120A (en) | A kind of preparation method of fine and close rare earth tantalate refractory ceramics | |
| CN110041071A (en) | Three rare earth niobates ceramics of one kind and preparation method thereof | |
| CN110002871A (en) | A kind of two-phase rare earth tantalate ceramics and preparation method thereof | |
| JP2951771B2 (en) | Rare earth oxide-alumina-silica sintered body and method for producing the same | |
| CN112250440B (en) | Method for preparing low-thermal-conductivity high-temperature thermal-barrier ceramic CaWTa2O9 by solid-phase method | |
| CN111285682A (en) | Full-spectrum complex phase fluorescent ceramic for laser illumination and display and preparation method thereof | |
| CN107840655A (en) | The preparation method of the unleaded relaxation ferroelectric ceramic of bismuth potassium titanate base of quasi- homotype phase boundary | |
| CN114956818A (en) | Low-thermal-conductivity high-entropy cerate ceramic material and preparation method thereof | |
| CN107032788B (en) | Preparation method of submicron-grade rare earth zirconate ceramic block material | |
| CN102127396A (en) | Magnetic refrigeration material compound prepared under high pressure and preparation method thereof | |
| CN115010491B (en) | High-entropy rare earth tantalate ceramic material and preparation method thereof | |
| ZHU et al. | Fine-grained Ce, Y: SrHfO3 scintillation ceramics fabricated by hot isostatic pressing | |
| KR101143311B1 (en) | Complex compositional oxides with low thermal conductivity in high temperature environments for thermal protection coating and method of manufacturing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
|
| RJ01 | Rejection of invention patent application after publication |