CN108546120A - 氧化锆抗静电陶瓷材料及其制备方法 - Google Patents
氧化锆抗静电陶瓷材料及其制备方法 Download PDFInfo
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910001928 zirconium oxide Inorganic materials 0.000 title claims abstract description 34
- 229910010293 ceramic material Inorganic materials 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 34
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 34
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 24
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 22
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 22
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 17
- 239000012798 spherical particle Substances 0.000 claims abstract description 12
- 239000011787 zinc oxide Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000005238 degreasing Methods 0.000 claims abstract description 11
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 11
- 239000010439 graphite Substances 0.000 claims abstract description 11
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 238000000748 compression moulding Methods 0.000 claims abstract description 6
- 230000000754 repressing effect Effects 0.000 claims abstract description 6
- 239000011230 binding agent Substances 0.000 claims abstract description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 21
- 238000005245 sintering Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 8
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- 239000011361 granulated particle Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007731 hot pressing Methods 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 244000248349 Citrus limon Species 0.000 claims 1
- 235000005979 Citrus limon Nutrition 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 12
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- 229940068984 polyvinyl alcohol Drugs 0.000 description 3
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003462 bioceramic Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910052634 enstatite Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- BBCCCLINBSELLX-UHFFFAOYSA-N magnesium;dihydroxy(oxo)silane Chemical compound [Mg+2].O[Si](O)=O BBCCCLINBSELLX-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
本发明提出了一种氧化锆抗静电陶瓷材料及其制备方法,按照重量份数计算,包括以下原料:钇稳定氧化锆60~80份、氧化铝5~10份、氧化镁2~6份、氧化锌1~3份、改性氧化钇6~12份及氧化锰3~6份;所述改性氧化钇主要由氧化钇、石墨与二氧化硅制备得到。制备方法:将上述原料混合搅拌均匀后加入粘结剂,造粒,获得球状颗粒;将球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。该陶瓷不仅具有良好的防静电效果,还具有很好的耐磨性、耐高温性能等。
Description
技术领域
本发明属于陶瓷材料技术领域,具体涉及一种氧化锆抗静电陶瓷材料及其制备方法。
背景技术
氧化锆陶瓷材料具有硬度高、耐高温、耐磨损、耐腐蚀、防磁,绝缘等特性。但由于环境温度、湿度以及本身结构的因素,在某些特殊情况下,氧化锆陶瓷材料具有使电流通过的性质,可能产生导电性,存在静电。因此,氧化锆陶瓷材料的本质决定了使用环境。改善氧化锆陶瓷材料防静电性能,并且进一步全面提升氧化锆陶瓷材料的硬度、耐磨损性能、耐腐蚀性能等,以使其广泛应用于更苛刻的环境中,一直是本领域技术人员所要解决的技术问题。
关于防静电陶瓷,国内外的学者已做过大量的研究工作,美国专利US5525135提出了一种α-Al2O3-ZrO2-TiO2体系的防静电陶瓷材料,同时,该防静电陶瓷具有相对较高的耐磨性能。此外,也有一些专利通过在配方体系中引入相应的添加剂来改善氧化锆陶瓷的防静电性能。如:US4110260通过在氧化锆陶瓷中引入二氧化硅与氧化锌来降低电阻率,最终获得具有防静电功能的陶瓷。
中国专利也做了大量的研究,目前中国专利在防静电陶瓷这块领域,主要集中在防静电陶瓷地板砖方面,例如申请号为201010563879.2的专利申请,公开了一种防静电陶瓷砖,它是以玻璃相、石英相、顽火辉石相为主体组成的建筑陶瓷砖,而所述陶瓷砖中搀杂有半导体氧化物,构成防静电陶瓷砖。并且声称所生成的产品具有防火、使用寿命长、防潮、防水、防蛀等特点,且生产方法简单可行,有利于工业化生产。
然而,防静电陶瓷地板砖,其用途相对较局限,功能较单一,主要集中在防静电改性上,对于具有广泛应用前景的防静电陶瓷材料,从目前的技术状况来看,也大多集中在防静电功能改性上,没有兼顾其他的性能,如硬度、耐磨损性能、耐腐蚀性能等。
发明内容
本发明提出一种氧化锆抗静电陶瓷材料,该陶瓷不仅具有良好的防静电效果,还具有很好的耐磨性、耐高温性能等。
本发明的技术方案是这样实现的:
一种氧化锆抗静电陶瓷材料,按照重量份数计算,包括以下原料:
钇稳定氧化锆60~80份、氧化铝5~10份、氧化镁2~6份、氧化锌1~3份、改性氧化钇6~12份及氧化锰3~6份;所述改性氧化钇主要由氧化钇、石墨与二氧化硅制备得到。
优选地,所述改性氧化钇的制备方法,包括以下步骤:
1)将氧化钇溶于柠檬酸中搅拌均匀后,加入石墨进行球磨,得到混悬液;
2)向步骤1)的混悬液加入二氧化硅,搅拌并升温至60~70℃,再加入硅烷偶联剂反应2~4h,然后过滤干燥即可。
优选地,所述氧化钇与所述柠檬酸的质量之比为1:10~20,所述氧化钇与所述石墨的质量之比为1:0.2~0.8,所述氧化钇与所述二氧化硅的质量之比为1:1~1.5,所述二氧化硅与所述硅烷偶联剂的质量之比为15~20:1。
优选地,所述硅烷偶联剂为KH550或者KH560。
优选地,所述钇稳定氧化锆中的钇的含量为4~6mol%。
本发明的另一个目的是提供一种氧化锆抗静电陶瓷材料的制备方法,包括以下步骤:
1)按照配比称取钇稳定氧化锆、氧化铝、氧化镁、氧化锌、改性氧化钇及氧化锰,然后进行混合再进行砂磨,得到混合物;
2)向混合物中添加粘结剂,造粒,获得球状颗粒;
3)将步骤2)的球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。
优选地,步骤3)中,热压脱脂烧结的烧结条件为:烧结温度为500℃~1300℃;升温速率为2℃/min~6℃/min;烧结压力为20MPa~35MPa;保温保压时间为2h~6h。
优选地,步骤3)中,烧结环境为真空环境或惰性气体气氛环境。
本发明的有益效果:
本发明的采用主要由氧化钇、石墨与二氧化硅制备得到改性氧化钇可以很好提高陶瓷的防静电性能,另外耐摩擦性能也得到提高,断裂韧性也非常的好。在电子陶瓷、功能陶瓷、生物陶瓷领域和刀具、工具领域中具有较好的应用前景。
具体实施方式
实施例1
改性氧化钇的制备方法,包括以下步骤:
1)将氧化钇溶于柠檬酸中搅拌均匀后,加入石墨进行球磨,得到混悬液;
2)向步骤1)的混悬液加入二氧化硅,搅拌并升温至60℃,再加入KH560反应4h,然后过滤干燥即可。氧化钇与柠檬酸的质量之比为1:10,氧化钇与石墨的质量之比为1:0.8,氧化钇与二氧化硅的质量之比为1:1,二氧化硅与KH560的质量之比为15:1。
实施例2
改性氧化钇的制备方法,包括以下步骤:
1)将氧化钇溶于柠檬酸中搅拌均匀后,加入石墨进行球磨,得到混悬液;
2)向步骤1)的混悬液加入二氧化硅,搅拌并升温至70℃,再加入KH550反应2h,然后过滤干燥即可。氧化钇与柠檬酸的质量之比为1:20,氧化钇与石墨的质量之比为1:0.2,氧化钇与二氧化硅的质量之比为1:1.5,二氧化硅与KH550的质量之比为20:1。
实施例3
一种氧化锆抗静电陶瓷材料,按照重量份数计算,包括以下原料:
钇稳定氧化锆70份、氧化铝6份、氧化镁4份、氧化锌2份、实施例1的改性氧化钇10份及氧化锰4份。
氧化锆抗静电陶瓷材料的制备方法,包括以下步骤:
1)按照配比称取钇稳定氧化锆、氧化铝、氧化镁、氧化锌、实施例1的改性氧化钇及氧化锰,然后进行混合再进行砂磨,得到混合物;
2)向混合物中添加0.5wt%聚乙烯醇溶液,造粒,获得球状颗粒;
3)将步骤2)的球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。热压脱脂烧结的烧结条件为:烧结温度为500℃;升温速率为2℃/min;烧结压力为20MPa;保温保压时间为6h。烧结环境为惰性气体气氛环境。
经综合测试:
1、此防静电陶瓷制品维氏硬度HRA为90,在600℃长期连续使用10个月,表面没出现凹凸不平等磨损现象。
2、将此防静电陶瓷制品放在浓硫酸(浓度98%)中浸泡48小时,没出现掉渣现象。
实施例4
一种氧化锆抗静电陶瓷材料,按照重量份数计算,包括以下原料:
钇稳定氧化锆60份、氧化铝10份、氧化镁2份、氧化锌3份、实施例2的改性氧化钇6份及氧化锰3份。
氧化锆抗静电陶瓷材料的制备方法,包括以下步骤:
1)按照配比称取钇稳定氧化锆、氧化铝、氧化镁、氧化锌、实施例2的改性氧化钇及氧化锰,然后进行混合再进行砂磨,得到混合物;
2)向混合物中添加0.5wt%聚乙烯醇溶液,造粒,获得球状颗粒;
3)将步骤2)的球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。热压脱脂烧结的烧结条件为:烧结温度为1000℃;升温速率为6℃/min;烧结压力为35MPa;保温保压时间为2h。烧结环境为真空环境。
经综合测试:
1、此防静电陶瓷制品维氏硬度HRA为90,在600℃长期连续使用10个月,表面没出现凹凸不平等磨损现象。
2、将此防静电陶瓷制品放在浓硫酸(浓度98%)中浸泡48小时,没出现掉渣现象。
实施例5
一种氧化锆抗静电陶瓷材料,按照重量份数计算,包括以下原料:
钇稳定氧化锆80份、氧化铝5份、氧化镁6份、氧化锌1份、实施例1的改性氧化钇12份及氧化锰6份。
氧化锆抗静电陶瓷材料的制备方法,包括以下步骤:
1)按照配比称取钇稳定氧化锆、氧化铝、氧化镁、氧化锌、实施例1的改性氧化钇及氧化锰,然后进行混合再进行砂磨,得到混合物;
2)向混合物中添加0.5wt%聚乙烯醇溶液,造粒,获得球状颗粒;
3)将步骤2)的球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。热压脱脂烧结的烧结条件为:烧结温度为1300℃;升温速率为4℃/min;烧结压力为25MPa;保温保压时间为4h。烧结环境为真空环境。
经综合测试:
1、此防静电陶瓷制品维氏硬度HRA为90,在600℃长期连续使用10个月,表面没出现凹凸不平等磨损现象。
2、将此防静电陶瓷制品放在浓硫酸(浓度98%)中浸泡48小时,没出现掉渣现象。
试验例
将实施例3-5的防静电陶瓷制品测量电阻率,各实施例的产品的电阻率均大于等于1×104Ω·cm但小于1×1011Ω·cm的,具有防静电效果。
以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (8)
1.一种氧化锆抗静电陶瓷材料,其特征在于,按照重量份数计算,包括以下原料:
钇稳定氧化锆60~80份、氧化铝5~10份、氧化镁2~6份、氧化锌1~3份、改性氧化钇6~12份及氧化锰3~6份;所述改性氧化钇主要由氧化钇、石墨与二氧化硅制备得到。
2.根据权利要求1所述的氧化锆抗静电陶瓷材料,其特征在于,所述改性氧化钇的制备方法,包括以下步骤:
1)将氧化钇溶于柠檬酸中搅拌均匀后,加入石墨进行球磨,得到混悬液;
2)向步骤1)的混悬液加入二氧化硅,搅拌并升温至60~70℃,再加入硅烷偶联剂反应2~4h,然后过滤干燥即可。
3.根据权利要求2所述的氧化锆抗静电陶瓷材料,其特征在于,所述氧化钇与所述柠檬酸的质量之比为1:10~20,所述氧化钇与所述石墨的质量之比为1:0.2~0.8,所述氧化钇与所述二氧化硅的质量之比为1:1~1.5,所述二氧化硅与所述硅烷偶联剂的质量之比为15~20:1。
4.根据权利要求2所述的氧化锆抗静电陶瓷材料,其特征在于,所述硅烷偶联剂为KH550或者KH560。
5.根据权利要求1所述的氧化锆抗静电陶瓷材料,其特征在于,所述钇稳定氧化锆中的钇的含量为4~6mol%。
6.如权利要求1所述的氧化锆抗静电陶瓷材料的制备方法,其特征在于,包括以下步骤:
1)按照配比称取钇稳定氧化锆、氧化铝、氧化镁、氧化锌、改性氧化钇及氧化锰,然后进行混合再进行砂磨,得到混合物;
2)向混合物中添加粘结剂,造粒,获得球状颗粒;
3)将步骤2)的球状颗粒至于模具中压制成型,再热压脱脂烧结,然后冷却至室温即可。
7.根据权利要求6所述的氧化锆抗静电陶瓷材料的制备方法,其特征在于,步骤3)中,热压脱脂烧结的烧结条件为:烧结温度为500℃~1300℃;升温速率为2℃/min~6℃/min;烧结压力为20MPa~35MPa;保温保压时间为2h~6h。
8.根据权利要求6所述的氧化锆抗静电陶瓷材料的制备方法,其特征在于,步骤3)中,烧结环境为真空环境或惰性气体气氛环境。
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