CN106866159A - 金属化陶瓷原料的制备方法 - Google Patents
金属化陶瓷原料的制备方法 Download PDFInfo
- Publication number
- CN106866159A CN106866159A CN201710161182.4A CN201710161182A CN106866159A CN 106866159 A CN106866159 A CN 106866159A CN 201710161182 A CN201710161182 A CN 201710161182A CN 106866159 A CN106866159 A CN 106866159A
- Authority
- CN
- China
- Prior art keywords
- raw material
- ceramic raw
- powder
- preparation
- parts
- 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
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
- C04B35/622—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
- 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
- C04B35/10—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 aluminium 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
- 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
- C04B35/6261—Milling
-
- 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
- C04B35/62695—Granulation or pelletising
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3244—Zirconium oxides, zirconates, hafnium oxides, hafnates, or oxide-forming salts thereof
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
本发明涉及一种金属化陶瓷原料的制备方法,属于陶瓷粉料制备技术领域。其通过球磨、造粒、筛选和匀化制得产品金属化陶瓷原料。本发明操作简单;原料中添加氧化锆,可降低陶瓷原料在成型过程中的摩擦力,进一步提高陶瓷胚体的密度和密度均匀性;粉末状的原料流动性好,便于储存。
Description
技术领域
本发明涉及一种金属化陶瓷原料的制备方法,属于陶瓷粉料制备技术领域。
背景技术
现有的生产方法主要将三氧化二铝、碳酸钙、氧化硅、高岭土和滑石粉等原料按一定比例混合研磨后得到的粉末与石蜡搅拌抽真空制成浆料。此种方法制备的浆料受温度的影响较大,极易结块,使用时需要保温,且浆料内容易残留空气、粒径分布广,一致性较差,制作出的陶瓷胚体密度低。
发明内容
本发明的目的是提供一种金属化陶瓷原料的制备方法,此种方法能有效的提高粉料粒径的一致性。
本发明的技术方案,金属化陶瓷原料的制备方法,按重量份计步骤如下:
(1)球磨:将54~58份氧化铝、1~3份氧化硅、1~2份碳酸钙、0.5~1.5份高岭土、1.5~2.5份氧化锆、0.5~2份氧化镁、1~2.5份滑石、27~30份水、9~10份粘结剂、0.3~0.6份分散剂、1~2份离型和0.03~0.06份的消泡剂倒入球磨机;原料与球磨机中球石的质量比为16~18:1,球磨时间为8~10h,球磨机转速30~33r/min;
再将9~10份粘结剂、0.3~0.6份分散剂、1~2份离型剂和0.03~0.06份的消泡剂倒入球磨机,球磨8~10小时,球磨机转速30~33r/min,得到粒径为2.8~3.5μm的浆料;
(2)造粒:将步骤(1)所得球磨后的浆料加入离心喷雾机入口,喷雾机喷头以16~18 Hz/RPM的频率旋转,得到粒径为95~250μm的粉料;
(3)筛选:将步骤(2)所得造粒后的粉料首先经过80~90目的筛子,再经过115~130目的筛子进行筛选,得到粒径大小为120~180μm的粉料;
(4)匀化:将步骤(3)所得筛选后的粉料放入匀化机搅拌25~35min,匀化机转速12~15r/min,即得产品金属化陶瓷原料。
步骤(1)所述粘结剂为聚乙烯醇。
步骤(1)所述分散剂为聚羧酸铵盐。
步骤(1)所述离型剂为硬脂酸。
步骤(1)所述消泡剂为聚醚消泡剂。
步骤(4)中匀化机的进料口与出料口设置有永久性磁棒,用于清理粉料中的铁及铁的氧化物等杂质。
本发明的有益效果:本发明操作简单;原料中添加氧化锆,可降低陶瓷原料在成型过程中的摩擦力,进一步提高陶瓷胚体的密度和密度均匀性;粉末状的原料流动性好,便于储存。
附图说明
图1是实施例浆料粒径分布图。
图2是造粒后粉料粒径分布图。
具体实施方式
实施例1
(1)球磨:将54重量份氧化铝、2重量份氧化硅、1重量份碳酸钙、1重量份高岭土、2.5重量份氧化锆、1.5重量份的氧化镁、1重量份滑石、27重量份水、10重量份粘结剂聚乙烯醇、0.6重量份分散剂聚羧酸铵盐、1重量份离型剂硬脂酸、0.03重量份的聚醚消泡剂倒入球磨机,原料与球磨机中球石的质量比为16:1,球磨8小时,球磨机转速30r/min;
再次将9重量份粘结剂聚乙烯醇、0.3重量份分散剂聚羧酸铵盐、1重量份离型剂硬脂酸、0.05重量份的消泡剂聚醚倒入球磨机,球磨9小时,球磨机转速30r/min,得到的浆料粒径2.8~3.5μm;
(2)造粒:将浆料加入离心喷雾机入口,喷雾机喷头以17 Hz/RPM的频率旋转,得到的粉料粒径95~230μm;
(3)筛选:造粒后的粉料首先经过80目的筛子然后再经过115目的筛子筛选,得到的粉料粒径大小为120~180μm,匀化机的进料口与出料口设置有永久性磁棒能够清理粉料中的铁及铁的氧化物等杂质;
(4)匀化:将筛选后的粉料放入匀化机搅拌25min,匀化机转速13r/min,即得产品金属化陶瓷原料。
实施例2
(1)球磨:将58重量份氧化铝、1重量份氧化硅、2重量份碳酸钙、0.5重量份高岭土、1.5重量份氧化锆、0.5重量份的氧化镁、2.5重量份滑石、30重量份水、9重量份粘结剂聚乙烯醇、0.3重量份分散剂聚羧酸铵盐、2重量份离型剂硬脂酸、0.06重量份的消泡剂聚醚倒入球磨机,原料与球磨机中球石的质量比为18:1,球磨10小时,球磨机转速33r/min;
再次将10重量份粘结剂聚乙烯醇、0.6重量份分散剂聚羧酸铵盐、2重量份离型剂硬脂酸、0.03重量份的消泡剂聚醚倒入球磨机,球磨8小时,球磨机转速30r/min,得到的浆料粒径2.85~3.5μm;
(2)造粒:浆料加入离心喷雾机入口,喷雾机喷头以16 Hz/RPM的频率旋转,得到的粉料粒径100~200μm;
(3)筛选:造粒后的粉料首先经过90目的筛子然后再经过115目的筛子筛选,得到的粉料粒径大小为125~160μm,匀化机的进料口与出料口设置有永久性磁棒能够清理粉料中的铁及铁的氧化物等杂质;
(4)匀化:将筛选后的粉料放入匀化机搅拌30min,匀化机转速12r/min。
实施例3
(1)球磨:将56重量份氧化铝、3重量份氧化硅、1.2重量份碳酸钙、1.5重量份高岭土、1.8重量份氧化锆、2重量份的氧化镁、2重量份滑石、29重量份水、9.2重量份粘结剂聚乙烯醇、0.5重量份分散剂聚羧酸铵盐、1.35重量份离型剂硬脂酸、0.05重量份的聚醚消泡剂倒入球磨机,原料与球磨机中球石的质量比为17.5:1,球磨9.5小时,球磨机转速32r/min;
再次将9.3重量份粘结剂聚乙烯醇、0.35重量份分散剂聚羧酸铵盐、1.8重量份离型剂硬脂酸、0.03重量份的消泡剂聚醚倒入球磨机,球磨10小时,球磨机转速33r/min,得到的浆料粒径3~3.5μm;
(2)造粒:浆料加入离心喷雾机入口,喷雾机喷头以18 Hz/RPM的频率旋转,得到的粉料粒径95~210μm;
(3)筛选:造粒后的粉料首先经过80目的筛子然后再经过120目的筛子筛选,得到的粉料粒径大小为120~180μm,匀化机的进料口与出料口设置有永久性磁棒能够清理粉料中的铁及铁的氧化物等杂质;
(4)匀化:将筛选后的粉料放入匀化机搅拌35min,匀化机转速15r/min。
Claims (6)
1.金属化陶瓷原料的制备方法,其特征是按重量份计步骤如下:
(1)球磨:将54~58份氧化铝、1~3份氧化硅、1~2份碳酸钙、0.5~1.5份高岭土、1.5~2.5份氧化锆、0.5~2份氧化镁、1~2.5份滑石、27~30份水、9~10份粘结剂、0.3~0.6份分散剂、1~2份离型剂和0.03~0.06份的消泡剂倒入球磨机;原料与球磨机中球石的质量比为16~18:1,球磨时间为8~10h,球磨机转速30~33r/min;
再将9~10份粘结剂、0.3~0.6份分散剂、1~2份离型剂和0.03~0.06份的消泡剂倒入球磨机,球磨8~10小时,球磨机转速30~33r/min,得到粒径为2.8~3.5μm的浆料;
(2)造粒:将步骤(1)所得球磨后的浆料加入离心喷雾机入口,喷雾机喷头以16~18 Hz/RPM的频率旋转,得到粒径为95~250μm的粉料;
(3)筛选:将步骤(2)所得造粒后的粉料首先经过80~90目的筛子,再经过115~130目的筛子进行筛选,得到粒径大小为120~180μm的粉料;
(4)匀化:将步骤(3)所得筛选后的粉料放入匀化机搅拌25~35min,匀化机转速12~15r/min,即得产品金属化陶瓷原料。
2.如权利要求1所述金属化陶瓷原料的制备方法,其特征是:步骤(1)所述粘结剂为聚乙烯醇。
3.如权利要求1所述金属化陶瓷原料的制备方法,其特征是:步骤(1)所述分散剂为聚羧酸铵盐。
4.如权利要求1所述金属化陶瓷原料的制备方法,其特征是:步骤(1)所述离型剂为硬脂酸。
5.如权利要求1所述金属化陶瓷原料的制备方法,其特征是:步骤(1)所述消泡剂为聚醚消泡剂。
6.如权利要求1所述金属化陶瓷原料的制备方法,其特征是:步骤(4)中匀化机的进料口与出料口设置有永久性磁棒,用于清理粉料中的铁及铁的氧化物等杂质。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710161182.4A CN106866159A (zh) | 2017-03-17 | 2017-03-17 | 金属化陶瓷原料的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710161182.4A CN106866159A (zh) | 2017-03-17 | 2017-03-17 | 金属化陶瓷原料的制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106866159A true CN106866159A (zh) | 2017-06-20 |
Family
ID=59172111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710161182.4A Pending CN106866159A (zh) | 2017-03-17 | 2017-03-17 | 金属化陶瓷原料的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106866159A (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106984823A (zh) * | 2017-03-17 | 2017-07-28 | 无锡康伟工程陶瓷有限公司 | 真空开关管用金属化陶瓷成型方法 |
CN108101550A (zh) * | 2017-11-15 | 2018-06-01 | 苏州工业园区职业技术学院 | 一种操作简便的陶瓷原料处理工艺 |
CN116514569A (zh) * | 2023-04-03 | 2023-08-01 | 湖南人文科技学院 | 陶瓷金属化浆料、其制备方法与应用 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1724456A (zh) * | 2005-06-13 | 2006-01-25 | 王伟 | 微波磁控管用金属化陶瓷及其生产方法 |
CN102076133A (zh) * | 2011-02-14 | 2011-05-25 | 无锡康伟工程陶瓷有限公司 | 微波用大功率陶瓷输出帽及其生产方法 |
CN102886586A (zh) * | 2012-10-25 | 2013-01-23 | 无锡康伟工程陶瓷有限公司 | 磁控管阳极天线钎焊夹具及其生产方法 |
CN104308956A (zh) * | 2014-09-29 | 2015-01-28 | 无锡康伟工程陶瓷有限公司 | 低收缩率的陶瓷胚体及其生产方法 |
CN105174920A (zh) * | 2015-09-07 | 2015-12-23 | 无锡康伟工程陶瓷有限公司 | 陶瓷瓦片的生产方法 |
CN105541305A (zh) * | 2015-12-17 | 2016-05-04 | 无锡康伟工程陶瓷有限公司 | 可控硅180mm内径产品的制备方法 |
-
2017
- 2017-03-17 CN CN201710161182.4A patent/CN106866159A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1724456A (zh) * | 2005-06-13 | 2006-01-25 | 王伟 | 微波磁控管用金属化陶瓷及其生产方法 |
CN102076133A (zh) * | 2011-02-14 | 2011-05-25 | 无锡康伟工程陶瓷有限公司 | 微波用大功率陶瓷输出帽及其生产方法 |
CN102886586A (zh) * | 2012-10-25 | 2013-01-23 | 无锡康伟工程陶瓷有限公司 | 磁控管阳极天线钎焊夹具及其生产方法 |
CN104308956A (zh) * | 2014-09-29 | 2015-01-28 | 无锡康伟工程陶瓷有限公司 | 低收缩率的陶瓷胚体及其生产方法 |
CN105174920A (zh) * | 2015-09-07 | 2015-12-23 | 无锡康伟工程陶瓷有限公司 | 陶瓷瓦片的生产方法 |
CN105541305A (zh) * | 2015-12-17 | 2016-05-04 | 无锡康伟工程陶瓷有限公司 | 可控硅180mm内径产品的制备方法 |
Non-Patent Citations (2)
Title |
---|
周张健等: "《无机非金属材料工艺学》", 31 January 2010, 中国轻工业出版社 * |
张少明等: "《粉体工程》", 31 August 1994, 中国建材工业出版社 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106984823A (zh) * | 2017-03-17 | 2017-07-28 | 无锡康伟工程陶瓷有限公司 | 真空开关管用金属化陶瓷成型方法 |
CN108101550A (zh) * | 2017-11-15 | 2018-06-01 | 苏州工业园区职业技术学院 | 一种操作简便的陶瓷原料处理工艺 |
CN116514569A (zh) * | 2023-04-03 | 2023-08-01 | 湖南人文科技学院 | 陶瓷金属化浆料、其制备方法与应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106866159A (zh) | 金属化陶瓷原料的制备方法 | |
CN106365651B (zh) | 球形骨料增强耐火材料的制备方法 | |
CN104129989A (zh) | 氧化钇稳定氧化锆造粒粉的制备方法 | |
CN104057018A (zh) | 一种铸造用型砂及其制备方法 | |
CN101786160A (zh) | 一种用于自动成形的特殊钼粉及其制备方法 | |
CN103495698A (zh) | 一种高强度型砂及其制备方法 | |
CN105397075B (zh) | 一种低成本高寿命连铸中间包湍流控制器及其制备方法 | |
CN103030413A (zh) | 一种刚玉莫来石坩埚的制备方法 | |
CN113059115A (zh) | 一种抗粘砂消失模铸造用耐火涂料及其制备方法 | |
CN106316456A (zh) | 一种疏水絮凝制备泡沫陶瓷的方法 | |
CN115312283B (zh) | 一种高压实密度注射磁粉及其制备方法 | |
CN107214293A (zh) | 一种用废弃的陶粒树脂砂制备铸造涂料的方法 | |
CN102531637A (zh) | 一种高性能软磁铁氧体料粉的干法制造工艺 | |
CN103521696A (zh) | 一种压盘铸造的型砂及其制备方法 | |
CN103521692A (zh) | 一种用于铸铝的型砂及其制备方法 | |
JP2016072636A (ja) | ボンド磁石用フェライト粉末とその製造方法、並びにフェライト系ボンド磁石 | |
CN103521682A (zh) | 一种用于特殊铸型面的型砂及其制备方法 | |
JP6482443B2 (ja) | ボンド磁石用フェライト粉末とその製造方法並びにフェライト系ボンド磁石 | |
CN102746004A (zh) | 一种铝溶胶结合的中间包用挡渣堰 | |
CN109232015A (zh) | 一种含铜尾矿颗粒的建筑陶瓷及其制备方法 | |
CN106396696B (zh) | 莫来石球形骨料增强耐火材料的制备方法 | |
CN104692740B (zh) | 一种废弃混凝土粉体制备的活性粉末混凝土 | |
CN107867866A (zh) | 一种易切削镍锌磁芯半成品的制造方法 | |
JP2015186814A (ja) | アルミナ系スライディングノズル充填砂 | |
CN211385247U (zh) | 一种用于永磁铁氧体块生产用细化粉碎装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |