CN106588063A - 一种高强度、高防爆氧化铝陶瓷 - Google Patents
一种高强度、高防爆氧化铝陶瓷 Download PDFInfo
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 title abstract 9
- 229910052574 oxide ceramic Inorganic materials 0.000 title abstract 8
- 239000011224 oxide ceramic Substances 0.000 title abstract 8
- 238000004880 explosion Methods 0.000 title abstract 3
- 239000000919 ceramic Substances 0.000 claims abstract description 40
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical class [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 111
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 18
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 15
- 229910052727 yttrium Inorganic materials 0.000 claims description 13
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 13
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 11
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 11
- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 claims description 10
- 229910000480 nickel oxide Inorganic materials 0.000 claims description 10
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 claims description 10
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- 239000004408 titanium dioxide Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
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- 239000002994 raw material Substances 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
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- 229910052571 earthenware Inorganic materials 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000000465 moulding Methods 0.000 description 1
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- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Abstract
本发明公开了高强度、高防爆氧化铝陶瓷，氧化铝陶瓷包括氧化铝、碳化硅晶须、钇稳定氧化锆和二氧化硅，各组分所占的重量百分比如下：所述氧化铝：90～95wt%，所述碳化硅晶须：2～5 wt%，所述钇稳定氧化锆：2～5 wt%，所述二氧化硅：1～2 wt%。通过调整氧化铝陶瓷的配方，特别是通过增加碳化硅晶须，使得用上述新材料制成的氧化铝陶瓷件既具有95氧化铝陶瓷的强度，又具有优秀的防爆性能。对陶瓷表面的涂层具有很好的吸附性，是大功率、大电流陶瓷管的理想材料。
Description
技术领域
本发明涉及电子陶瓷新材料技术领域，特别涉及一种高强度、高防爆氧化铝陶瓷。
背景技术
在电子工业中能够利用电、磁性质的陶瓷，称为电子陶瓷。电子陶瓷是通过对表面、晶界和尺寸结构的控制而最终获得具有新功能的陶瓷。在能源、家用电器、汽车等方面可以广泛应用。
目前，广泛应用于新能源汽车、家用电器等设备上的电子陶瓷，要么强度不高，要么防爆性能不好，还没有一款电子陶瓷能够同时具备优异的防爆性能和高强度。
因此，发明一款同时具备高强度和高防爆性能的氧化铝陶瓷成为本领域技术人员所急需解决的问题。
发明内容
为了解决现有技术的问题，本发明实施例提供了一种高强度、高防爆氧化铝陶瓷。所述技术方案如下：
提供了一种高强度、高防爆氧化铝陶瓷，所述氧化铝陶瓷包括氧化铝、碳化硅晶须、钇稳定氧化锆和二氧化硅，各组分所占的重量百分比如下：
所述氧化铝：90～95wt%，
所述碳化硅晶须：2～5 wt%，
所述钇稳定氧化锆：2～5 wt%，
所述二氧化硅：1～2 wt%。
其中，碳化硅晶须是一种很少缺陷的，有一定长径比的单晶纤维，它具有相当好的抗高温性能和很高强度。碳化硅晶须为立方晶须，和金刚石同属于一种晶型，是目前已经合成出的晶须中硬度最高，模量最大，抗拉伸强度最大，耐热温度最高的晶须产品，分为α型和β型两种形式，其中β型性能优于α型并具有更高的硬度(莫氏硬度达9.5以上)，更好的韧性和导电性能，抗磨、耐高温，特别耐地震、耐腐蚀、耐辐射，已经在飞机、导弹的外壳上以及发动机、高温涡轮转子、特种部件上得到应用。
进一步地，所述氧化铝陶瓷还包括二氧化钛、氧化镍和碳酸锶，各组分所占的重量百分比如下：
所述二氧化钛：0.5～1wt%，
所述氧化镍：0.1～0.3 wt%，
所述碳酸锶：0.3～0.8 wt%。
进一步地，所述氧化铝陶瓷由以下重量组分构成：
所述氧化铝：92～93wt%，
所述碳化硅晶须：2.5～4.5 wt%，
所述钇稳定氧化锆：2.5～3.5 wt%，
所述二氧化硅：1～1.5 wt%，
所述二氧化钛：0.55～0.65wt%，
所述氧化镍：0.15～0.2 wt%，
所述碳酸锶：0.35～0.5 wt%。
本发明实施例提供的技术方案带来的有益效果是：
通过调整氧化铝陶瓷的配方，特别是通过增加碳化硅晶须，使得用上述新材料制成的氧化铝陶瓷件既具有95氧化铝陶瓷的强度，又具有优秀的防爆性能。对陶瓷表面的涂层具有很好的吸附性，是大功率、大电流陶瓷管的理想材料。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面对本发明实施方式作进一步地详细描述。
实施例一
本实施例提供了一种高强度、高防爆氧化铝陶瓷，该氧化铝陶瓷包括氧化铝、碳化硅晶须、钇稳定氧化锆和二氧化硅，各组分所占的重量百分比如下：氧化铝：90～95wt%，碳化硅晶须：2～5 wt%，钇稳定氧化锆：2～5 wt%，二氧化硅：1～2 wt%。这样，将上述四种原料混合到一起配制成新的陶瓷材料，使得所制成的陶瓷件既具有高强度、又具有高防爆性能。其中，碳化硅晶须为一种单晶纤维，它具有相当好的抗高温性能和很高强度，用其作为电子陶瓷件的原材料，大大提高了陶瓷件的强度。钇稳定氧化锆具有抗热震性强、耐高温、化学稳定性好、材料复合性突出等特点。将钇稳定氧化锆与其他材料复合，可以极大地提高材料的性能参数，提高其断裂韧性、抗弯强度等，用其作为电子陶瓷件的原材料，大大提高了陶瓷件的防爆性能。
实施例二
本实施例提供了本实施例提供了一种高强度、高防爆氧化铝陶瓷，该氧化铝陶瓷包括实施例一所述的组分之外，还包括二氧化钛：0.5～1wt%，氧化镍：0.1～0.3 wt%，碳酸锶：0.3～0.8 wt%。
实施例三
本实施例提供了一种高强度、高防爆氧化铝陶瓷，该氧化铝陶瓷由以下重量组分构成：氧化铝：92～93wt%，碳化硅晶须：2.5～4.5 wt%，钇稳定氧化锆：2.5～3.5 wt%，二氧化硅：1～1.5 wt%，二氧化钛：0.55～0.65wt%，氧化镍：0.15～0.2 wt%，碳酸锶：0.35～0.5 wt%。
该氧化铝陶瓷的制备方法是：先将预定重量份的氧化铝、碳化硅晶须、钇稳定氧化锆、二氧化硅混合后球磨成混合粉末；再依次加入二氧化钛、氧化镍、碳酸锶，滚动混合均匀；然后加入必要的湿释剂等制成浆料，再湿压成型。
实施例四
本实施例提供了一种高强度、高防爆氧化铝陶瓷，该氧化铝陶瓷由以下重量组分构成：氧化铝：92.5wt%，碳化硅晶须：2.5 wt%，钇稳定氧化锆：2.5 wt%，二氧化硅：1.35 wt%，二氧化钛：0.6wt%，氧化镍： 0.2 wt%，碳酸锶：0.35wt%。
上述本发明实施例序号仅仅为了描述，不代表实施例的优劣。
以上所述仅为本发明的较佳实施例，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 (3)
1.一种高强度、高防爆氧化铝陶瓷，其特征在于，所述氧化铝陶瓷包括氧化铝、碳化硅晶须、钇稳定氧化锆和二氧化硅，各组分所占的重量百分比如下：
所述氧化铝：90～95wt%，
所述碳化硅晶须：2～5 wt%，
所述钇稳定氧化锆：2～5 wt%，
所述二氧化硅：1～2 wt%。
2.根据权利要求1所述的高强度、高防爆氧化铝陶瓷，其特征在于，所述氧化铝陶瓷还包括二氧化钛、氧化镍和碳酸锶，各组分所占的重量百分比如下：
所述二氧化钛：0.5～1wt%，
所述氧化镍：0.1～0.3 wt%，
所述碳酸锶：0.3～0.8 wt%。
3.根据权利要求2所述的高强度、高防爆氧化铝陶瓷，其特征在于，所述氧化铝陶瓷由以下重量组分构成：
所述氧化铝：92～93wt%，
所述碳化硅晶须：2.5～4.5 wt%，
所述钇稳定氧化锆：2.5～3.5 wt%，
所述二氧化硅：1～1.5 wt%，
所述二氧化钛：0.55～0.65wt%，
所述氧化镍：0.15～0.2 wt%，
所述碳酸锶：0.35～0.5 wt%。
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