CN112624742A - 一种锆增韧氧化铝复合陶瓷球的配方及其生产工艺 - Google Patents
一种锆增韧氧化铝复合陶瓷球的配方及其生产工艺 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 43
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052726 zirconium Inorganic materials 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000009472 formulation Methods 0.000 title claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 8
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 7
- 239000010431 corundum Substances 0.000 claims abstract description 7
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 7
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 7
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 7
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 7
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 6
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims description 22
- 238000002156 mixing Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000005245 sintering Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 claims description 6
- 238000001694 spray drying Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 10
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- DNXNYEBMOSARMM-UHFFFAOYSA-N alumane;zirconium Chemical compound [AlH3].[Zr] DNXNYEBMOSARMM-UHFFFAOYSA-N 0.000 description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
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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
- C04B35/10—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
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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
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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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- C04B2235/02—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
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- 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
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- 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
Abstract
本发明公开了一种锆增韧氧化铝复合陶瓷球的配方,配方中各组分的质量份数如下:Al2O3≥70%;10%≥SiO2≥1%;20%≥ZrO2+HfO2≥3%;2%≥MgO≥0.3%;0.3%>CaO;5%≥其它成分,其晶相成分为:刚玉≥65%;23%≥氧化锆≥3%;18%>莫来石;5%≥其它晶相,本发明在保证陶瓷球密度和硬度的同时,进一步提高复合陶瓷球的耐磨性。
Description
技术领域
本发明属于研磨介质领域,更具体的说涉及一种锆增韧氧化铝复 合陶瓷球的配方及其生产工艺。
背景技术
随着粉体超细技术的飞速发展,电子、造纸、陶瓷、化工、油漆、 油墨、塑料等行业对粉体细度的要求越来越高,甚至有些粉体需达到 纳米级。使用超细粉体后,材料的性能会得到提高。国内外采用物理 方法对物料进行超细研磨,最佳、最经济的方法是湿法研磨,该工艺 中必不可少地要用到各类直径规格的陶瓷球作为研磨介质。
氧化铝陶瓷球是应用较多的一种研磨介质,然而氧化铝陶瓷球的 断裂韧性较低,导致其使用过程中磨耗较高。
发明内容
针对现有技术的不足,本发明提供了一种在保证复合陶瓷球密度 和硬度的同时,提高耐磨性的高性能锆增韧氧化铝复合陶瓷球。
为实现上述目的,本发明提供了如下技术方案:一种锆增韧氧化 铝复合陶瓷球的配方,以质量分数计包括如下组分:
Al2O3≥70%;
10%≥SiO2≥1%;
20%≥ZrO2+HfO2≥3%;
2%≥MgO≥0.3%;
0.3%>CaO;
5%≥其它成分。
进一步的其晶相成分为:
刚玉≥65%;
23%≥氧化锆≥3%;
18%>莫来石;
5%≥其它晶相。
进一步的所述其他成分为氧化物。
一种锆增韧氧化铝复合陶瓷球的生产工艺,包括如下步骤:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至 中径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛 制得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断 加入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内烧结,再自然冷却至室温。
进一步的在步骤3)中,将陶瓷球生坯在窑炉内按照60℃/hr升 温至300℃,然后保温1hr,再按照120℃/hr升温至1300℃以上, 保温2-4小时再自然冷却至室温。
与现有技术相比,本发明的有益效果是:本发明能够在保证最终 陶瓷球耐磨性和硬度的前提下,降低生产成本。
具体实施方式
在本发明的描述中,需要说明的是,如有术语“第一”、“第二” 仅用于描述目的,而不能理解为指示或暗示相对重要性或隐含指明技 术特征的数量。由此,限定有“第一”、“第二”特征可以明示或者 隐含包括一个或者多个该特征,在本发明描述中,“数个”、“若干”的含义是两个或两个以上,除非另有明确具体的限定。
一种锆增韧氧化铝复合陶瓷球的配方,以质量分数计包括如下组 分:
Al2O3≥70%;
10%≥SiO2≥1%;
20%≥ZrO2+HfO2≥3%;
2%≥MgO≥0.3%;
0.3%>CaO;
5%≥其它成分。
本实施例中的锆增韧氧化铝复合陶瓷球其晶相成分为:
刚玉≥65%;
23%≥氧化锆≥3%;
18%>莫来石;
5%≥其它晶相。
在本实施例中优选的的所述其他成分为氧化物。
一种锆增韧氧化铝复合陶瓷球的生产工艺,包括如下步骤:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至 中径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛 制得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断 加入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内烧结,再自然冷却至室温。
且在步骤3)中,将陶瓷球生坯在窑炉内按照60℃/hr升温至 300℃,然后保温1hr,再按照120℃/hr升温至1300℃以上,保温2-4小时再自然冷却至室温。
实施例一:
一种锆铝复合陶瓷球,其配方为:
Al2O3:75%;
ZrO2:15%;
SiO2:7.5%;
MgO:0.5%;
CeO2:2%。
其生产工艺为:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至中 径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛制 得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断加 入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内按照60℃/hr升温至300℃,然 后保温1hr,再按照120℃/hr升温至1450℃,保温4小时,再自然 冷却至室温。
制得陶瓷球密度≥3.5g/cm3,硬度≥700HV,磨耗≤ 0.35g/hr.kg.2000转/分钟。晶相含量为:刚玉69.6%、氧化锆19.4%, 莫来石11%。
一种锆铝复合陶瓷球,其配方为:
Al2O3:75%;
ZrO2:15%;
SiO2:7.5%;
MgO:1%;
CeO2:2%。
其生产工艺为:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至中 径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛制 得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断加 入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内按照60℃/hr升温至300℃,然 后保温1hr,再按照120℃/hr升温至1450℃,保温4小时,再自然 冷却至室温。
制得陶瓷球密度≥3.5g/cm3,硬度≥700HV,磨耗≤ 0.35g/hr.kg.2000转/分钟。晶相含量为:刚玉80.6%、氧化锆19.4%。
实施例三:
一种锆铝复合陶瓷球,其配方为:
Al2O3:75%;
ZrO2:15%;
SiO2:7.5%;
MgO:0.5%;
CeO2:4%。
其生产工艺为:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至中 径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛制 得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断加 入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内按照60℃/hr升温至300℃,然 后保温1hr,再按照120℃/hr升温至1350℃,保温4小时,再自然 冷却至室温。
制得陶瓷球密度≥3.5g/cm3,硬度≥700HV,磨耗≤ 0.40g/hr.kg.2000转/分钟。晶相含量为:刚玉73%、氧化锆20%,莫 来石7%。
以上所述仅是本发明的优选实施方式,本发明的保护范围并不仅 局限于上述实施例,凡属于本发明思路下的技术方案均属于本发明的 保护范围。应当指出,对于本技术领域的普通技术人员来说,在不脱 离本发明原理前提下的若干改进和润饰,这些改进和润饰也应视为本 发明的保护范围。
Claims (5)
1.一种锆增韧氧化铝复合陶瓷球的配方,其特征在于,以质量分数计包括如下组分:
Al2O3≥70%;
10%≥SiO2≥1%;
20%≥ZrO2+HfO2≥3%;
2%≥MgO≥0.3%;
0.3%>CaO;
5%≥其它成分。
2.根据权利要求1所述的锆增韧氧化铝复合陶瓷球的配方,其特征在于,其晶相成分为:
刚玉≥65%;
23%≥氧化锆≥3%;
18%>莫来石;
5%≥其它晶相。
3.根据权利要求2所述的锆增韧氧化铝复合陶瓷球的配方,其特征在于,所述其他成分为氧化物。
4.一种如权利要求3所述的锆增韧氧化铝复合陶瓷球的生产工艺,其特征在于,包括如下步骤:
1)原料制备:将配方中所有原材料混合均匀,采用湿法球磨至中径小于1um,喷雾干燥得到超细粉体;
2)成型:将超细粉体置于成球机内,加水混合搅拌均匀,过筛制得粒径为0.1-0.5mm的种球,将种球加入成球机内,向种球上不断加入水和超细粉体,直至种球变大至0.2mm-15mm的陶瓷球生坯;
3)烧结:将陶瓷球生坯在窑炉内烧结,再自然冷却至室温。
5.根据权利要求4所述的锆增韧氧化铝复合陶瓷球的生产工艺,其特征在于,在步骤3)中,将陶瓷球生坯在窑炉内按照60℃/hr升温至300℃,然后保温1hr,再按照120℃/hr升温至1300℃以上,保温2-4小时再自然冷却至室温。
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