CN108017389A - A kind of mould ceramic material - Google Patents

A kind of mould ceramic material Download PDF

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Publication number
CN108017389A
CN108017389A CN201711310684.5A CN201711310684A CN108017389A CN 108017389 A CN108017389 A CN 108017389A CN 201711310684 A CN201711310684 A CN 201711310684A CN 108017389 A CN108017389 A CN 108017389A
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Prior art keywords
parts
powder
mould
slurry
auxiliary agent
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Granted
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CN201711310684.5A
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CN108017389B (en
Inventor
刘浩
张君
张欢芬
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Suzhou Wei you Intellectual Property Operation Co.,Ltd.
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Suzhou Hao Yan Precision Mold Ltd Co
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    • 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
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    • 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
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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Abstract

The invention discloses a kind of mould ceramic material, it includes following components according to the mass fraction：Zirconium oxide：10 13 parts, calcium oxide：15 18 parts, magnesia：8 10 parts, silicon carbide micro-powder：15 20 parts, bentonite：18 20 parts, titanium carbide nano-powder：12 parts, barium chromate：68 parts, bismuth oxide：34 parts, barium sulfate：46 parts, calcite in powder：8 10 parts, auxiliary agent：35 parts；The present invention has good wearability, prolongs the service life.

Description

A kind of mould ceramic material
Technical field
The invention belongs to mold materials technical field, and in particular to a kind of mould ceramic material.
Background technology
Traditional Alloy-steel mold material is all metal alloys material, as processing industry continues to develop, to mould Quality requirement is also higher and higher, some enterprises maximize for profit-push, and mould is prepared with ceramic material, but existing ceramics Material molds are shorter there is service life, and wear-resisting property is poor.
The content of the invention
It is an object of the invention to provide a kind of mould ceramic material, can have good wearability, extends and uses Service life.
The present invention is to achieve these goals, there is provided technical solution is：A kind of mould ceramic material, it presses mass fraction Meter includes following components：Zirconium oxide：20-35 parts, calcium oxide：15-18 parts, magnesia：8-10 parts, silicon carbide micro-powder：15-20 Part, bentonite：18-20 parts, titanium carbide nano-powder：1-2 parts, barium chromate：6-8 parts, bismuth oxide：3-4 parts, barium sulfate： 4-6 parts, calcite in powder：8-10 parts, auxiliary agent：3-5 parts；
Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:2-4 parts, stabilizer：2-3 parts, binding agent：4-5 Part.
The technical solution that further limits of the present invention is：
Its foregoing includes following components according to the mass fraction：Zirconium oxide：27 parts, calcium oxide：15 parts, magnesia：8 parts, carbonization Silicon powder：17 parts, bentonite：18 parts, titanium carbide nano-powder：1 part, barium chromate：6 parts, bismuth oxide：3 parts, barium sulfate：4 Part, calcite in powder：8 parts, auxiliary agent：4 parts；
Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:3 parts, stabilizer：2 parts, binding agent：4 parts.
Its foregoing includes following components according to the mass fraction：Zirconium oxide：33 parts, calcium oxide：17 parts, magnesia：9 parts, Silicon carbide micro-powder：19 parts, bentonite：20 parts, titanium carbide nano-powder：2 parts, barium chromate：7 parts, bismuth oxide：4 parts, sulfuric acid Barium：5 parts, calcite in powder：9 parts, auxiliary agent：5 parts；
Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:4 parts, stabilizer：3 parts, binding agent：5 parts.
The present invention provides a kind of mould ceramic material preparation method, specifically includes following steps：
Step 1：Above-mentioned other dispensings except auxiliary agent are sent and are ground into ball mill, sieve 60-80 mesh after grinding；
Step 2：Ground slurry is poured into size barrel, then adds silane coupling agent, stabilizer and binding agent to batch mixing In bucket, 3-5h is stirred with the rotating speed of 350-400r/min, it is ensured that slurry is uniformly mixed；
Step 3：Then above-mentioned uniformly mixed slurry is injected into molding die, the mould is by framed and core rod two parts Composition, one layer of releasing agent is sprayed in framed inside and core rod surfaces externally and internally, then by inlet by slurry be injected into it is framed with In the spacing of core rod and its in core rod, blank is obtained；
Step 4：Base substrate after shaping is put into drying box dry 3-5h, it is 50-55 DEG C to control drying temperature, and tool is made There is the blank of some strength；
Step 5：Dried blank is put into sintering furnace and is sintered, sintering temperature is：1150-1220 DEG C, sintering process Time is in 20-24h；
Step 6：The mould sintered is cooled down using air-cooled and air-cooled mode, is first passed through air-cooled with 15-20 DEG C/s speed Its temperature is down to 250-280 DEG C；Then it is air-cooled to 75-82 DEG C；
Step 7：One layer is sprayed in the surfaces externally and internally of mould to be mixed according to a certain percentage by silicon nitride powder, Ludox and deionized water The slurry of conjunction, spraying flow control is in 80-90ml/10s；
Step 8：The mould after the prepared slurry of step 7 being sprayed, placed in drying baker, drying temperature is 60-68 DEG C, Time is 10-15min.
The beneficial effects of the invention are as follows：The present invention has good wearability, strong by the ceramic mold prepared by raw material Degree and corrosion resistance, extend service life, and the material for preparing of mould is easy to get, reduction production cost, its short preparation period, Production efficiency is high；
The present invention directly obtains mould by pouring for molding die, simplifies production process, reduction is known clearly the time, after shaping Base substrate be put into drying box dry, and control drying time and temperature, improve its intensity, be placed in sintering furnace and be sintered, Control time and temperature can further improve mould strength, molten by silicon nitride powder, silicon in one layer of the surfaces externally and internally spraying of mould The slurry that glue and deionized water mix according to a certain percentage so that inside has high-compactness.
Embodiment
Embodiment 1
The present embodiment provides a kind of mould ceramic material, it includes following components according to the mass fraction：Zirconium oxide：27 parts, oxygen Change calcium：15 parts, magnesia：8 parts, silicon carbide micro-powder：17 parts, bentonite：18 parts, titanium carbide nano-powder：1 part, barium chromate：6 Part, bismuth oxide：3 parts, barium sulfate：4 parts, calcite in powder：8 parts, auxiliary agent：4 parts；
Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:3 parts, stabilizer：2 parts, binding agent：4 parts.
The present embodiment provides a kind of mould ceramic material preparation method, following steps are specifically included：
Step 1：Above-mentioned other dispensings except auxiliary agent are sent and are ground into ball mill, sieve 70 mesh after grinding；
Step 2：Ground slurry is poured into size barrel, then adds silane coupling agent, stabilizer and binding agent to batch mixing In bucket, 4h is stirred with the rotating speed of 380r/min, it is ensured that slurry is uniformly mixed；
Step 3：Then above-mentioned uniformly mixed slurry is injected into molding die, the mould is by framed and core rod two parts Composition, one layer of releasing agent is sprayed in framed inside and core rod surfaces externally and internally, then by inlet by slurry be injected into it is framed with In the spacing of core rod and its in core rod, blank is obtained；
Step 4：Base substrate after shaping is put into drying box dry 4h, it is 53 DEG C to control drying temperature, and being made has necessarily The blank of intensity；
Step 5：Dried blank is put into sintering furnace and is sintered, sintering temperature is：1180 DEG C, the sintering process time In 23h；
Step 6：The mould sintered is cooled down using air-cooled and air-cooled mode, is first passed through air-cooled with 15 DEG C/s speed general Its temperature is down to 270 DEG C；Then 77 DEG C are air-cooled to；
Step 7：One layer is sprayed in the surfaces externally and internally of mould to be mixed according to a certain percentage by silicon nitride powder, Ludox and deionized water The slurry of conjunction, spraying flow control is in 85ml/10s；
Step 8：The mould after the prepared slurry of step 7 being sprayed, placed in drying baker, drying temperature is 63 DEG C, when Between be 13min.
Embodiment 2
The present embodiment provides a kind of mould ceramic material, it includes following components according to the mass fraction：Zirconium oxide：33 parts, oxygen Change calcium：17 parts, magnesia：9 parts, silicon carbide micro-powder：19 parts, bentonite：20 parts, titanium carbide nano-powder：2 parts, barium chromate：7 Part, bismuth oxide：4 parts, barium sulfate：5 parts, calcite in powder：9 parts, auxiliary agent：5 parts；
Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:4 parts, stabilizer：3 parts, binding agent：5 parts.
The present embodiment provides a kind of mould ceramic material preparation method, following steps are specifically included：
Step 1：Above-mentioned other dispensings except auxiliary agent are sent and are ground into ball mill, sieve 80 mesh after grinding；
Step 2：Ground slurry is poured into size barrel, then adds silane coupling agent, stabilizer and binding agent to batch mixing In bucket, 3.5h is stirred with the rotating speed of 400r/min, it is ensured that slurry is uniformly mixed；
Step 3：Then above-mentioned uniformly mixed slurry is injected into molding die, the mould is by framed and core rod two parts Composition, one layer of releasing agent is sprayed in framed inside and core rod surfaces externally and internally, then by inlet by slurry be injected into it is framed with In the spacing of core rod and its in core rod, blank is obtained；
Step 4：Base substrate after shaping is put into drying box dry 4.5h, it is 52 DEG C to control drying temperature, and being made has one Determine the blank of intensity；
Step 5：Dried blank is put into sintering furnace and is sintered, sintering temperature is：1200 DEG C, the sintering process time In 22h；
Step 6：The mould sintered is cooled down using air-cooled and air-cooled mode, is first passed through air-cooled with 20 DEG C/s speed general Its temperature is down to 250 DEG C；Then 75 DEG C are air-cooled to；
Step 7：One layer is sprayed in the surfaces externally and internally of mould to be mixed according to a certain percentage by silicon nitride powder, Ludox and deionized water The slurry of conjunction, spraying flow control is in 85ml/10s；
Step 8：The mould after the prepared slurry of step 7 being sprayed, placed in drying baker, drying temperature is 66 DEG C, when Between be 11min；
In addition to the implementation, the present invention can also have other embodiment.It is all to be formed using equivalent substitution or equivalent transformation Technical solution, all falls within the protection domain of application claims.

Claims (4)

  1. A kind of 1. mould ceramic material, it is characterised in that：It includes following components according to the mass fraction：Zirconium oxide：20-35 Part, calcium oxide：15-18 parts, magnesia：8-10 parts, silicon carbide micro-powder：15-20 parts, bentonite：18-20 parts, titanium carbide nanometer Powder：1-2 parts, barium chromate：6-8 parts, bismuth oxide：3-4 parts, barium sulfate：4-6 parts, calcite in powder：8-10 parts, auxiliary agent：3- 5 parts；
    Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:2-4 parts, stabilizer：2-3 parts, binding agent：4-5 Part.
  2. 2. mould ceramic material according to claim 1, it is characterised in that：It includes with the following group according to the mass fraction Point：Zirconium oxide：27 parts, calcium oxide：15 parts, magnesia：8 parts, silicon carbide micro-powder：17 parts, bentonite：18 parts, titanium carbide nanometer Powder：1 part, barium chromate：6 parts, bismuth oxide：3 parts, barium sulfate：4 parts, calcite in powder：8 parts, auxiliary agent：4 parts；
    Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:3 parts, stabilizer：2 parts, binding agent：4 parts.
  3. 3. mould ceramic material according to claim 1, it is characterised in that：It includes with the following group according to the mass fraction Point：Zirconium oxide：33 parts, calcium oxide：17 parts, magnesia：9 parts, silicon carbide micro-powder：19 parts, bentonite：20 parts, titanium carbide nanometer Powder：2 parts, barium chromate：7 parts, bismuth oxide：4 parts, barium sulfate：5 parts, calcite in powder：9 parts, auxiliary agent：5 parts；
    Wherein auxiliary agent includes following components according to the mass fraction：Silane coupling agent:4 parts, stabilizer：3 parts, binding agent：5 parts.
  4. 4. according to any mould ceramic material preparation methods of claim 1-3, it is characterised in that：Specifically include following Step：
    Step 1：Above-mentioned other dispensings except auxiliary agent are sent and are ground into ball mill, sieve 60-80 mesh after grinding；
    Step 2：Ground slurry is poured into size barrel, then adds silane coupling agent, stabilizer and binding agent to batch mixing In bucket, 3-5h is stirred with the rotating speed of 350-400r/min, it is ensured that slurry is uniformly mixed；
    Step 3：Then above-mentioned uniformly mixed slurry is injected into molding die, the mould is by framed and core rod two parts Composition, one layer of releasing agent is sprayed in framed inside and core rod surfaces externally and internally, then by inlet by slurry be injected into it is framed with In the spacing of core rod and its in core rod, blank is obtained；
    Step 4：Base substrate after shaping is put into drying box dry 3-5h, it is 50-55 DEG C to control drying temperature, and tool is made There is the blank of some strength；
    Step 5：Dried blank is put into sintering furnace and is sintered, sintering temperature is：1150-1220 DEG C, sintering process Time is in 20-24h；
    Step 6：The mould sintered is cooled down using air-cooled and air-cooled mode, is first passed through air-cooled with 15-20 DEG C/s speed Its temperature is down to 250-280 DEG C；Then it is air-cooled to 75-82 DEG C；
    Step 7：One layer is sprayed in the surfaces externally and internally of mould to be mixed according to a certain percentage by silicon nitride powder, Ludox and deionized water The slurry of conjunction, spraying flow control is in 80-90ml/10s；
    Step 8：The mould after the prepared slurry of step 7 being sprayed, placed in drying baker, drying temperature is 60-68 DEG C, Time is 10-15min.
CN201711310684.5A 2017-12-11 2017-12-11 Ceramic material for die Active CN108017389B (en)

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Application Number Priority Date Filing Date Title
CN201711310684.5A CN108017389B (en) 2017-12-11 2017-12-11 Ceramic material for die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711310684.5A CN108017389B (en) 2017-12-11 2017-12-11 Ceramic material for die

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CN108017389A true CN108017389A (en) 2018-05-11
CN108017389B CN108017389B (en) 2020-08-25

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CN101734913A (en) * 2009-12-04 2010-06-16 北京科技大学 Preparation method and product of machinable ceramic mould
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DD291545A5 (en) * 1990-01-17 1991-07-04 Inst. F. Festkoerperphysik Und Elektronenmikroskopie,De METHOD FOR GLAZING GLASS-CONTAINING CERAMIC FORM BODIES
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109081696A (en) * 2018-11-09 2018-12-25 刘景典 A kind of refractory ceramics and preparation method thereof

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