CN109369179A - A kind of research of graphene enhancing zirconia ceramics preparation process - Google Patents

A kind of research of graphene enhancing zirconia ceramics preparation process Download PDF

Info

Publication number
CN109369179A
CN109369179A CN201811431254.3A CN201811431254A CN109369179A CN 109369179 A CN109369179 A CN 109369179A CN 201811431254 A CN201811431254 A CN 201811431254A CN 109369179 A CN109369179 A CN 109369179A
Authority
CN
China
Prior art keywords
preparation process
zirconia ceramics
graphene
raw material
zirconia
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
Application number
CN201811431254.3A
Other languages
Chinese (zh)
Inventor
范兴宽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Giant Petroleum Drilling Fittings Co Ltd
Original Assignee
Anhui Giant Petroleum Drilling Fittings Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Giant Petroleum Drilling Fittings Co Ltd filed Critical Anhui Giant Petroleum Drilling Fittings Co Ltd
Priority to CN201811431254.3A priority Critical patent/CN109369179A/en
Publication of CN109369179A publication Critical patent/CN109369179A/en
Pending legal-status Critical Current

Links

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
    • C04B35/48—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 zirconium or hafnium oxides, zirconates, zircon or hafnates
    • 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
    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • 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
    • C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
    • C04B2235/422—Carbon
    • C04B2235/425—Graphite
    • 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
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • 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
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/612—Machining
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • 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
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time

Landscapes

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

Abstract

The invention discloses the researchs of graphene enhancing zirconia ceramics preparation process a kind of, using zirconia powder as base, the graphene of 5-20% is added, raw material is put into ball milling in sand mill, mixing in batch mixer, be sieved aging isostatic pressing after a certain period of time, then the blank by repaired biscuit, vacuum-sintering finishes ceramic porcelain billet according to the size of product and technical requirements at ceramic porcelain billet under the high temperature conditions.Preparation process of the present invention is simple, product qualified rate is high, manufacturing cost is low, product hardness is big, bending strength and fracture toughness greatly improve, wear-resisting, corrosion resistance and erosion resistance, the pulverization rate of zirconia ceramics is substantially reduced simultaneously, and service life is greatly prolonged, is widely applied in the industrial and minerals complexity industry such as petroleum, chemical industry, mine, thermoelectricity, machinery.

Description

A kind of research of graphene enhancing zirconia ceramics preparation process
Technical field
The present invention relates to field of new materials, specifically, are related to a kind of graphene enhancing zirconia ceramics preparation process Research.
Background technique
Under industrial and mineral mal-condition, product makes mechanical equipment in the industrial and minerals complexity industry such as petroleum, chemical industry, metallurgy, mine It is short with the service life, seriously affect the normal production of enterprise.In order to meet need of work, most of machinery in these industries is set at present Standby main component mostly uses expensive alloy steel products or common aluminium oxide ceramics；However since industrial and mineral is extremely disliked Bad, the use that these valuableness make a joint attack on steel is solved the problems, such as there is no real, and common zirconia ceramics holds since intensity is low It is easy to crack, while it being easy dusting, using ideal requirement, while the series of products still cannot be reached under complicated industrial and mining condition Qualification rate is low in the production process, and the above various reasons cause user to be not only difficult to receive the price of the series of products, while right The material of the series of products is badly in need of the raising and improvement that have matter, to reach the normal use of product.And graphene enhances zirconium oxide Ceramic system is for simple process, and product qualified rate is high, and production cost is low, while substantially reducing the pulverization rate of zirconia ceramics, uses Product hardness that this material prepares is big, bending strength and fracture toughness greatly improve, and wear-resisting, corrosion-resistant, resistance to erosion uses Service life greatly prolongs, and is widely applied in the industrial and minerals complexity industry such as petroleum, chemical industry, mine, machinery, thermoelectricity.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of in the prior art, a kind of simple process, article of manufacture cost bottom are provided, produced Product are wear-resisting, corrosion resistance and erosion resistance, intensity and toughness greatly improve, reduce pulverization rate, graphene with long service life enhancing oxidation The research of zircon ceramic preparation process.
1, the object of the present invention is achieved like this: a kind of research of graphene enhancing zirconia ceramics preparation process, Be characterized in that: it is formulated as based on zirconia powder, average grain diameter is added 5--20% average thickness and exists less than 0.5 micron The 1--50 layers of graphene through overpickling；The raw material being weighed by formula is put into sand mill, 0.1--1% oleic acid, ball milling is added 8--20 hours, wherein ratio of grinding media to material was 6: 1--8: 1, and ball-milling medium is zirconia ball, and the raw material processed goes out honed 60 mesh, Raw material by sieving is put into batch mixer and 0.1--1% gum arabic, 0.1--1%CMC, mixing, mixing time is added It is 4--10 hours, discharged 60 meshes, and it is 60--120 hours aging to the raw material mixed, keep moisture in 0.5---0.8% Between；Mixture is passed through 3--8 minutes isostatic pressings of 200--300 megapascal pressure maintaining according to the structure of product in a mold to be made Ceramic blank, then repaired biscuit；High-temperature vacuum sintering, sintering temperature 1500--1550 are carried out to by the ceramic blank of repaired biscuit DEG C, 2--6 hours are kept the temperature, heating rate is 50--100 degree per hour, furnace cooling after sintering；According to size and technical requirements pair It is finished by the ceramic porcelain billet that high-temperature vacuum is sintered, graphene enhancing zirconia ceramics is made；Graphene passes through 10-- Cleaning 3--8 times is repeated using pure water and pure industrial alcohol after the chlorohydric acid pickling of 30% concentration, then vacuum drying It is spare.
The invention discloses the researchs of graphene enhancing zirconia ceramics preparation process a kind of to add using zirconia powder as base Raw material is put into ball milling in sand mill, mixing in batch mixer by the graphene for entering 5-20%, and be sieved aging static pressure equal after a certain period of time Molding, then the blank by repaired biscuit, vacuum-sintering is at ceramic porcelain billet under the high temperature conditions, according to the size and technology of product It is required that being finished to ceramic porcelain billet.Preparation process of the present invention is simple, and product qualified rate is high, and manufacturing cost is low, product hardness Greatly, bending strength and fracture toughness greatly improve, wear-resisting, corrosion resistance and erosion resistance, while substantially reducing the dusting of zirconia ceramics Rate, service life greatly prolong, and are widely applied in the industrial and minerals complexity industry such as petroleum, chemical industry, mine, thermoelectricity, machinery.
Specific embodiment
Below with reference to embodiment, invention is further described in detail.
Embodiment
A kind of research of graphene enhancing zirconia ceramics preparation process, it is characterised in that: it is formulated as with zirconia powder Based on, average grain diameter is 0.3 micron, and 25% average thickness is added in 8 layers of graphene through overpickling；What is be weighed by formula Raw material is put into sand mill, and 0.6% oleic acid is added, and ball milling 15 hours, wherein ratio of grinding media to material was 8: 1, and ball-milling medium is zirconia ball, The raw material processed goes out honed 60 mesh, and the raw material by sieving is put into batch mixer and is added 0.5% gum arabic, 0.5%CMC, mixing, mixing time are 8 hours, and discharged 60 meshes, 100 hours aging to the raw material mixed, keep moisture 0.7% or so；Mixture is passed through 250 megapascal pressure maintaining, 5 minutes isostatic pressings according to the structure of product in a mold to be made Ceramic blank, then repaired biscuit；High-temperature vacuum sintering is carried out to the ceramic blank by repaired biscuit, sintering temperature is 1510 DEG C, heat preservation 5 Hour, heating rate is 50 degree per hour, furnace cooling after sintering；It is sintered according to size and technical requirements to by high-temperature vacuum Ceramic porcelain billet finished, graphene enhancing zirconia ceramics is made, wherein hydrochloric acid of the graphene Jing Guo 25% concentration is sour Cleaning 6 times is repeated using pure water and pure industrial alcohol after washing, then vacuum drying.

Claims (2)

1. a kind of research of graphene enhancing zirconia ceramics preparation process, it is characterised in that: it is to be with zirconia powder that it, which is formulated, Main, 5--20% average thickness is added in the 1--50 layers of graphene through overpickling less than 0.5 micron in average grain diameter；By matching The raw material just weighed is put into sand mill, and 0.1--1% oleic acid is added, and ball milling 8--20 hours, wherein ratio of grinding media to material was 6: 1--8: 1, Ball-milling medium is zirconia ball, and the raw material processed goes out honed 60 mesh, and the raw material by sieving is put into batch mixer and is added Enter 0.1--1% gum arabic, 0.1--1%CMC, mixing, mixing time is 4--10 hours, and discharged 60 meshes, to mixing Good raw material is 60--120 hours aging, keeps moisture between 0.5---0.8%；Mixture according to the structure of product in mould Ceramic blank is made by 3--8 minutes isostatic pressings of 200--300 megapascal pressure maintaining in tool, then repaired biscuit；To by repaired biscuit Ceramic blank carries out high-temperature vacuum sintering, and sintering temperature is 1500--1550 DEG C, keeps the temperature 2--6 hours, and heating rate is per hour 50--100 degree, furnace cooling after sintering；Essence is carried out to the ceramic porcelain billet by high-temperature vacuum sintering according to size and technical requirements Graphene enhancing zirconia ceramics is made in processing.
2. the research of graphene enhancing zirconia ceramics preparation process according to claim 1 a kind of, it is characterised in that: stone Cleaning 3--8 times is repeated using pure water and pure industrial alcohol after the chlorohydric acid pickling of 10--30% concentration in black alkene, Then vacuum drying.
CN201811431254.3A 2018-11-19 2018-11-19 A kind of research of graphene enhancing zirconia ceramics preparation process Pending CN109369179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811431254.3A CN109369179A (en) 2018-11-19 2018-11-19 A kind of research of graphene enhancing zirconia ceramics preparation process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811431254.3A CN109369179A (en) 2018-11-19 2018-11-19 A kind of research of graphene enhancing zirconia ceramics preparation process

Publications (1)

Publication Number Publication Date
CN109369179A true CN109369179A (en) 2019-02-22

Family

ID=65383153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811431254.3A Pending CN109369179A (en) 2018-11-19 2018-11-19 A kind of research of graphene enhancing zirconia ceramics preparation process

Country Status (1)

Country Link
CN (1) CN109369179A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111253155A (en) * 2020-04-30 2020-06-09 北京石墨烯技术研究院有限公司 Graphene toughened ceramic and preparation method thereof
CN111689784A (en) * 2020-05-18 2020-09-22 珠海格力节能环保制冷技术研究中心有限公司 Thermal-insulated material of making an uproar, thermal-insulated structure of making an uproar and compressor including it of making an uproar that falls

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111253155A (en) * 2020-04-30 2020-06-09 北京石墨烯技术研究院有限公司 Graphene toughened ceramic and preparation method thereof
CN111253155B (en) * 2020-04-30 2020-08-14 北京石墨烯技术研究院有限公司 Graphene toughened ceramic and preparation method thereof
CN111689784A (en) * 2020-05-18 2020-09-22 珠海格力节能环保制冷技术研究中心有限公司 Thermal-insulated material of making an uproar, thermal-insulated structure of making an uproar and compressor including it of making an uproar that falls
CN111689784B (en) * 2020-05-18 2022-06-24 珠海格力节能环保制冷技术研究中心有限公司 Thermal-insulated material of making an uproar, thermal-insulated structure of making an uproar and compressor including it of making an uproar that falls

Similar Documents

Publication Publication Date Title
CN107226686B (en) High-strength in-situ toughening alumina grinding ball for mineral deep processing and preparation method thereof
CN108083779B (en) Rare earth alumina ceramic composite material and preparation method thereof
CN102363286B (en) Steel blank grinding abrasion wheel adopting microcrystal ceramic bonding agents
CN109369179A (en) A kind of research of graphene enhancing zirconia ceramics preparation process
CN102600939A (en) Nanometer zirconia ceramic reinforced wear-resisting steel ball and manufacturing technique thereof
CN102442819A (en) Method for preparing high-performance large aluminum oxide product at low cost
CN103041894B (en) Steel ball proportional process of ball mill
CN1990421A (en) Preparation process of zirconia toughened alumina ceramic composite cylinder sleeve
CN109336631A (en) A kind of research of ZnOw enhancing zirconia ceramics preparation process
CN103922775B (en) Swirler abrasion-resistant ceramic lining plate and preparation method thereof
CN109053193B (en) Silicon nitride ceramic nozzle and preparation method thereof
CN101555148A (en) High strength acid resistant refractory brick and preparation method thereof
CN112876272B (en) Preparation method of heterogeneous core-shell structure toughening agent, alumina ceramic material, preparation method and application
CN102358702A (en) Silicon-nitride-based solid solution phase composite ceramic material for manufacturing valve ball of hard sealing ball valve and method for manufacturing valve ball by using same
CN1313419C (en) Producing method for composite carbide ceramic material by liquid-phase sintering and ceramic products
CN109265179A (en) A kind of silicon nitride material
CN107602100A (en) A kind of research of aluminum oxide wear-resistant ceramic preparation technology
CN111499367A (en) Taishan jade porcelain and preparation method thereof
CN107043262A (en) A kind of research of the ceramic preparation technology of Zirconia reinforced silicon nitride
CN114380606A (en) Preparation process of machined high-strength refractory material
CN1126624C (en) Scaled copper-gold powder preparation process under the condition of nitrogen protective atmosphere
CN110372376B (en) High-strength refractory material and preparation method thereof
CN112592176A (en) Zirconia grinding bead applied to dynamic separation sand mill and preparation method thereof
CN106431449A (en) Study on preparation technology of zinc oxide whisker reinforced alumina ceramic
CN113173789A (en) Non-binding phase corrosion-resistant hard alloy and production process and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20190222

WD01 Invention patent application deemed withdrawn after publication