CN106116532A - 一种耐磨氧化铝瓷球的制备方法 - Google Patents

一种耐磨氧化铝瓷球的制备方法 Download PDF

Info

Publication number
CN106116532A
CN106116532A CN201610452066.3A CN201610452066A CN106116532A CN 106116532 A CN106116532 A CN 106116532A CN 201610452066 A CN201610452066 A CN 201610452066A CN 106116532 A CN106116532 A CN 106116532A
Authority
CN
China
Prior art keywords
porcelain ball
wear
ball
alumina
preparation
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.)
Granted
Application number
CN201610452066.3A
Other languages
English (en)
Other versions
CN106116532B (zh
Inventor
刘建斌
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.)
Jiangxi Xintao Technology Co.,Ltd.
Original Assignee
Jiangxi Xin Tao Polytron Technologies Inc
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 Jiangxi Xin Tao Polytron Technologies Inc filed Critical Jiangxi Xin Tao Polytron Technologies Inc
Priority to CN201610452066.3A priority Critical patent/CN106116532B/zh
Publication of CN106116532A publication Critical patent/CN106116532A/zh
Application granted granted Critical
Publication of CN106116532B publication Critical patent/CN106116532B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped 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
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206Magnesium oxides or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3208Calcium oxide or oxide-forming salts thereof, e.g. lime
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/40Metallic constituents or additives not added as binding phase
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5436Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron

Landscapes

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

Abstract

本发明公开了一种耐磨氧化铝瓷球的制备方法,包括以下步骤:1) 首先将氧化铝粉球磨得到氧化铝微粉;然后将PrNd合金破碎球磨得到PrNd合金微粉;再将高岭土、白云石混合球磨得到双组份微粉;2)将步骤1)所制得的微粉混合均匀后放入成球机中滚制成瓷球,再将瓷球放入密闭容器熏蒸5‑8小时;3)将步骤2)所熏蒸后的瓷球烧结,冷却后即得耐磨氧化铝瓷球;本发明制备的耐磨氧化铝瓷球具有超耐磨、强度高的优点。

Description

一种耐磨氧化铝瓷球的制备方法
技术领域
本发明涉及一种耐磨氧化铝瓷球的制备方法。
背景技术
球磨机广泛用于冶金、矿产、电力、建材、化工等领域,是一种使用极为广泛的粉碎设备。研磨介质是球磨机粉碎物料的关键,它的形状一般为球体或圆柱体,依靠研磨介质在球磨机内的滚动、撞击、挤压、摩擦等各种复杂的运动,将物料粉碎。研磨介质的质量,不仅直接影响到生产效率的高低,而且还会影响到产品质量的好坏。研磨介质一般按密度进行分类,可分为:低密度磨介( 如普通陶瓷球,燧石质硅石和鹅卵石等),比重约为2.3 ~ 2.6;中密度磨介( 如高铝质磨介),比重约为2.6 ~ 3.2 ;高密度磨介( 如刚玉,锆质磨介等),比重一般大于3.2。近年来随着陶瓷工业的迅速发展,一方面,高品位的天然研磨介质材料( 鹅卵石和燧石) 资源正日益枯竭,另一方面,天然石材在质量上已无法满足日益发展的高技术产品的要求。而人造研磨介质具有机械强度高、硬度高、密度大、高温性能好、对物料无污染或污染很小、耐酸碱腐蚀能力强、耐磨性能优异等优点,人造研磨介质正逐渐替代天然研磨材料。目前我国市场销售的陶瓷研磨介质主要包括氧化铝、氧化锆、碳化硅、氮化硅等系列品种。其中氧化铝和氧化锆使用的最为广泛。氧化铝瓷球由于具有合适的硬度、适中的密度、耐磨、耐腐蚀、价格低,因此被广泛应用于白色水泥、矿物、陶瓷、电子材料、磁性材料以及涂料、油漆、化妆品、食品、制药等行业原材料的研磨和加工,是一种优质的研磨介质。然而目前氧化铝陶瓷球主要存在:耐磨性能较差,强度不足等问题。
发明内容
本发明所要解决的技术问题是,克服以上现有技术的缺点:提供一种强度高的耐磨氧化铝瓷球的制备方法。
本发明的技术解决方案如下:一种耐磨氧化铝瓷球的制备方法,包括以下步骤:
1) 首先将氧化铝粉球磨至平均粒径为1.5-1.8微米,得到氧化铝微粉;然后将PrNd合金破碎球磨至平均粒径为0.3-0.5微米,得到PrNd合金微粉;再将高岭土、白云石混合球磨至平均粒径为0.6-0.8微米得到双组份微粉;
2)将步骤1)所制得的氧化铝微粉、PrNd合金微粉和双组份微粉混合均匀后放入成球机中滚制成粒径为40-50mm的瓷球,再将瓷球放入密闭容器中抽真空,然后通入二氧化碳与水蒸气的混合气体维持容器内气压与外部大气压相等进行熏蒸5-8小时;
3) 将步骤2)所熏蒸后的瓷球置于烧结窑中,以每小时40-45℃的升温速率升温至1340-1400℃,保温12-15小时,冷却后即得耐磨氧化铝瓷球。
作为优化,步骤2)中,按重量份计,各组分的比例为:氧化铝微粉 1000-1200份;PrNd合金微粉 2-6份;双组份微粉 100-120份;所述双组份微粉中高岭土与白云石的重量比例为1︰1。
作为优化,所述PrNd合金中的Pr的质量百分比含量为26-28%。
作为优化,所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰6-8。
作为进一步优化,所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰7。
本发明的有益效果是: 本发明通过将各功能组分根据其性能采用合理的粒径配比混合造粒,以搭建良好的空间混合结构,再结合二氧化碳与水蒸气的混合气体的熏蒸处理,以及PrNd合金微粉在烧结时对氧化铝瓷球晶粒的细化作用,能有效细化氧化铝瓷球的晶粒,使氧化铝瓷球同时具备高耐磨性与抗压强度。
具体实施方式
下面用具体实施例对本发明做进一步详细说明,但本发明不仅局限于以下具体实施例。
实施例一
一种耐磨氧化铝瓷球的制备方法,包括以下步骤:
1) 首先将氧化铝粉球磨至平均粒径为1.5-1.8微米,得到氧化铝微粉;然后将PrNd合金破碎球磨至平均粒径为0.3-0.5微米,得到PrNd合金微粉;再将高岭土、白云石混合球磨至平均粒径为0.6-0.8微米得到双组份微粉;
2)将步骤1)所制得的氧化铝微粉、PrNd合金微粉和双组份微粉混合均匀后放入成球机中滚制成粒径为40-50mm的瓷球,再将瓷球放入密闭容器中抽真空,然后通入二氧化碳与水蒸气的混合气体维持容器内气压与外部大气压相等进行熏蒸5小时;其中,上述各组分的重量为:氧化铝微粉 1000g;PrNd合金微粉 5g;双组份微粉 110g;所述双组份微粉中高岭土与白云石的重量比例为1︰1;
3) 将步骤2)所熏蒸后的瓷球置于烧结窑中,以每小时40℃的升温速率升温至1360℃,保温13小时,冷却后即得耐磨氧化铝瓷球。
所述PrNd合金中的Pr的质量百分比含量为26%。
所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰6。
测得本实施例耐磨氧化铝瓷球的磨耗为0.012%,抗压强度为2200MPa。
实施例二
一种耐磨氧化铝瓷球的制备方法,包括以下步骤:
1) 首先将氧化铝粉球磨至平均粒径为1.5-1.8微米,得到氧化铝微粉;然后将PrNd合金破碎球磨至平均粒径为0.3-0.5微米,得到PrNd合金微粉;再将高岭土、白云石混合球磨至平均粒径为0.6-0.8微米得到双组份微粉;
2)将步骤1)所制得的氧化铝微粉、PrNd合金微粉和双组份微粉混合均匀后放入成球机中滚制成粒径为40-50mm的瓷球,再将瓷球放入密闭容器中抽真空,然后通入二氧化碳与水蒸气的混合气体维持容器内气压与外部大气压相等进行熏蒸5小时;其中,上述各组分的重量为:氧化铝微粉 1000g;PrNd合金微粉 2g;双组份微粉 100g;所述双组份微粉中高岭土与白云石的重量比例为1︰1;
3) 将步骤2)所熏蒸后的瓷球置于烧结窑中,以每小时40℃的升温速率升温至1400℃,保温15小时,冷却后即得耐磨氧化铝瓷球。
所述PrNd合金中的Pr的质量百分比含量为28%。
所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰7。
测得本实施例耐磨氧化铝瓷球的磨耗为0.010%,抗压强度为2350MPa。
实施例三
一种耐磨氧化铝瓷球的制备方法,包括以下步骤:
1) 首先将氧化铝粉球磨至平均粒径为1.5-1.8微米,得到氧化铝微粉;然后将PrNd合金破碎球磨至平均粒径为0.3-0.5微米,得到PrNd合金微粉;再将高岭土、白云石混合球磨至平均粒径为0.6-0.8微米得到双组份微粉;
2)将步骤1)所制得的氧化铝微粉、PrNd合金微粉和双组份微粉混合均匀后放入成球机中滚制成粒径为40-50mm的瓷球,再将瓷球放入密闭容器中抽真空,然后通入二氧化碳与水蒸气的混合气体维持容器内气压与外部大气压相等进行熏蒸5小时;其中,上述各组分的重量为:氧化铝微粉 1200g;PrNd合金微粉 6g;双组份微粉 120g;所述双组份微粉中高岭土与白云石的重量比例为1︰1;
3) 将步骤2)所熏蒸后的瓷球置于烧结窑中,以每小时45℃的升温速率升温至1340℃,保温15小时,冷却后即得耐磨氧化铝瓷球。
所述PrNd合金中的Pr的质量百分比含量为26-28%。
所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰8。
测得本实施例耐磨氧化铝瓷球的磨耗为0.013%,抗压强度为2270MPa。
以上仅是本发明的特征实施范例,对本发明保护范围不构成任何限制。凡采用同等交换或者等效替换而形成的技术方案,均落在本发明权利保护范围之内。

Claims (5)

1.一种耐磨氧化铝瓷球的制备方法,其特征在于:包括以下步骤:
1) 首先将氧化铝粉球磨至平均粒径为1.5-1.8微米,得到氧化铝微粉;然后将PrNd合金破碎球磨至平均粒径为0.3-0.5微米,得到PrNd合金微粉;再将高岭土、白云石混合球磨至平均粒径为0.6-0.8微米得到双组份微粉;
2)将步骤1)所制得的氧化铝微粉、PrNd合金微粉和双组份微粉混合均匀后放入成球机中滚制成粒径为40-50mm的瓷球,再将瓷球放入密闭容器中抽真空,然后通入二氧化碳与水蒸气的混合气体维持容器内气压与外部大气压相等进行熏蒸5-8小时;
3) 将步骤2)所熏蒸后的瓷球置于烧结窑中,以每小时40-45℃的升温速率升温至1340-1400℃,保温12-15小时,冷却后即得耐磨氧化铝瓷球。
2. 根据权利要求1所述的耐磨氧化铝瓷球的制备方法,其特征在于:步骤2)中,按重量份计,各组分的比例为:氧化铝微粉 1000-1200份;PrNd合金微粉 2-6份;双组份微粉 100-120份;所述双组份微粉中高岭土与白云石的重量比例为1︰1。
3.根据权利要求1或2所述的耐磨氧化铝瓷球的制备方法,其特征在于:所述PrNd合金中的Pr的质量百分比含量为26-28%。
4.根据权利要求1或2所述的耐磨氧化铝瓷球的制备方法,其特征在于:所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰6-8。
5.根据权利要求4所述的耐磨氧化铝瓷球的制备方法,其特征在于:所述二氧化碳与水蒸气的混合气体中二氧化碳与水蒸气的体积比为1︰7。
CN201610452066.3A 2016-06-22 2016-06-22 一种耐磨氧化铝瓷球的制备方法 Active CN106116532B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610452066.3A CN106116532B (zh) 2016-06-22 2016-06-22 一种耐磨氧化铝瓷球的制备方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610452066.3A CN106116532B (zh) 2016-06-22 2016-06-22 一种耐磨氧化铝瓷球的制备方法

Publications (2)

Publication Number Publication Date
CN106116532A true CN106116532A (zh) 2016-11-16
CN106116532B CN106116532B (zh) 2018-06-22

Family

ID=57470170

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610452066.3A Active CN106116532B (zh) 2016-06-22 2016-06-22 一种耐磨氧化铝瓷球的制备方法

Country Status (1)

Country Link
CN (1) CN106116532B (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471408A (zh) * 2017-09-25 2017-12-15 农广善 一种铝瓷球生产工艺
CN109734110A (zh) * 2019-02-28 2019-05-10 潍坊工商职业学院 一种氧化铝微粉制备方法
CN112341143A (zh) * 2020-11-18 2021-02-09 湖南元宏特种陶瓷有限公司 一种陶瓷阀片的制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538926A (en) * 1993-12-21 1996-07-23 Kabushiki Kaisha Seiko Sho Alumina based ceramic material and method of manufacturing the same
CN102491735A (zh) * 2011-11-22 2012-06-13 中国铝业股份有限公司 一种氧化铝陶瓷球生产方法
CN103232229A (zh) * 2013-05-13 2013-08-07 景德镇百特威尔新材料有限公司 一种超耐磨氧化铝陶瓷球及其制备方法
CN103626479A (zh) * 2013-11-28 2014-03-12 桂林理工大学 一种耐磨氧化铝陶瓷的制备方法
CN104529406A (zh) * 2014-12-19 2015-04-22 桂林理工大学 利用稀土化合物制备耐磨氧化铝陶瓷的方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5538926A (en) * 1993-12-21 1996-07-23 Kabushiki Kaisha Seiko Sho Alumina based ceramic material and method of manufacturing the same
CN102491735A (zh) * 2011-11-22 2012-06-13 中国铝业股份有限公司 一种氧化铝陶瓷球生产方法
CN103232229A (zh) * 2013-05-13 2013-08-07 景德镇百特威尔新材料有限公司 一种超耐磨氧化铝陶瓷球及其制备方法
CN103626479A (zh) * 2013-11-28 2014-03-12 桂林理工大学 一种耐磨氧化铝陶瓷的制备方法
CN104529406A (zh) * 2014-12-19 2015-04-22 桂林理工大学 利用稀土化合物制备耐磨氧化铝陶瓷的方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107471408A (zh) * 2017-09-25 2017-12-15 农广善 一种铝瓷球生产工艺
CN109734110A (zh) * 2019-02-28 2019-05-10 潍坊工商职业学院 一种氧化铝微粉制备方法
CN112341143A (zh) * 2020-11-18 2021-02-09 湖南元宏特种陶瓷有限公司 一种陶瓷阀片的制备方法

Also Published As

Publication number Publication date
CN106116532B (zh) 2018-06-22

Similar Documents

Publication Publication Date Title
CN103232229B (zh) 一种超耐磨氧化铝陶瓷球及其制备方法
CN103602922B (zh) 一种粉末冶金铁基合金及其制备方法
CN102127343B (zh) 高细度水性色浆及制备方法
CN106045528B (zh) 一种含90%以上废旧耐材的铁沟捣打料
CN105731855A (zh) 一种立磨矿渣助磨剂及其制备方法
CN106116532A (zh) 一种耐磨氧化铝瓷球的制备方法
CN104479665A (zh) 一种石油支撑剂及其制备方法
CN102757238A (zh) 一种微晶活性α-Al2O3微粉的制备方法
CN103011828A (zh) 一种含硼化物陶瓷的团聚型复合热喷涂粉末的制备方法
Gai et al. Particle shape modification and related property improvements
CN105385848A (zh) 铁矿粉球团镁质粘结剂的配制方法
CN110683578A (zh) 一种高活性电熔氧化锆的生产方法
CN103254870A (zh) 一种氧化镧铈稀土抛光粉及其制备方法
MX2013007323A (es) Compuesto lubricante y metodo de preparacion del mismo.
CN104694017B (zh) 一种用于氮化硅陶瓷抛光的抛光粉制备方法
CN102659392A (zh) 一种黑色陶瓷用煅烧氧化铝粉的制备方法
CN104387042A (zh) 一种喷嘴用抗磨耐热陶瓷材料及其制备方法
CN104211402A (zh) 一种Ti2SnC陶瓷粉体材料的制备方法
CN113969160A (zh) 利用矿山尾矿生产的高强度陶粒支撑剂及其制备方法
CN103432958B (zh) 一种碳酸钙表面活性剂
JPH0788391A (ja) 超微粉体の製法
CN102093843A (zh) 一种α-氧化铝抛光粉的制备方法
CN104817952A (zh) 一种耐高温耐反射耐老化的散热粉末涂料及其制备方法
CN104860693B (zh) 快干型高性能刚玉莫来石质耐磨耐火浇注料及其制备方法
CN103691930B (zh) 一种硬质粉末冶金合金刀具及其制备方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 337099 Shangxian West Road, xinsanban Industrial Park, Pingxiang economic and Technological Development Zone, Pingxiang City, Jiangxi Province

Patentee after: Jiangxi Xintao Technology Co.,Ltd.

Address before: 337000 West Zone of high tech Industrial Park, Pingxiang economic and Technological Development Zone, Pingxiang City, Jiangxi Province

Patentee before: JIANGXI XINTAO TECHNOLOGY CO.,LTD.

CP03 Change of name, title or address
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A preparation method of wear-resistant alumina ceramic ball

Effective date of registration: 20211227

Granted publication date: 20180622

Pledgee: Shangli Jiangxi rural commercial bank Limited by Share Ltd.

Pledgor: Jiangxi Xintao Technology Co.,Ltd.

Registration number: Y2021980016636

PE01 Entry into force of the registration of the contract for pledge of patent right