CN114773066A - 一种增韧碳化硅陶瓷窑具平板制造方法 - Google Patents
一种增韧碳化硅陶瓷窑具平板制造方法 Download PDFInfo
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 40
- 239000000919 ceramic Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000000835 fiber Substances 0.000 claims abstract description 80
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000002156 mixing Methods 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000725 suspension Substances 0.000 claims abstract description 13
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 9
- 238000000498 ball milling Methods 0.000 claims abstract description 9
- 239000004917 carbon fiber Substances 0.000 claims abstract description 9
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 7
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims abstract description 7
- 239000003365 glass fiber Substances 0.000 claims abstract description 7
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims abstract description 7
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 7
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 7
- 239000002002 slurry Substances 0.000 claims description 75
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 24
- 238000001035 drying Methods 0.000 claims description 17
- 238000001354 calcination Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 238000011049 filling Methods 0.000 claims description 9
- 238000005245 sintering Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 4
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
本发明公开了陶瓷窑具技术领域的一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，形成乙醇悬浮液；将氧化铝、氟化镁和钛合金粉混合，进行球磨；将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网，本发明通过将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网，在制得碳化硅陶瓷窑具平板添加纤维网，通过纤维网增强制得碳化硅陶瓷窑具平板的韧性。
Description
技术领域
本发明涉及陶瓷窑具技术领域，具体为一种增韧碳化硅陶瓷窑具平板制造方法。
背景技术
窑具是一种高级耐火材料，是用耐火土制成的在焙烧过程中对坯件起间隔、支托、承垫、保护等作用的器具，其质量好坏为烧成制品的质量、生产成本有着直接的影响。随着磁性材料、电子陶瓷等新型功能陶瓷的迅速发展，对窑具的品质要求也越来越高，而窑具属于消耗品，则要求窑具的材料应具备较高的耐火度、良好的热稳定性，较高的常温和高温强度，必须经受的起制品及窑具本身的负荷，良好的导热性、低蓄热性、抗热震性和抗氧化性能。自上世纪80年代以来，国内外推行陶瓷快速烧结技术，碳化硅陶瓷成为了快速烧结窑炉用高温窑具的首先材料。
碳化硅陶瓷材料具有高温强度大、高温抗氧化性强、耐磨损性能好、热稳定性佳、热膨胀系数小、热导率大、硬度高、抗热震和耐化学腐蚀等优良特性，但是现有的碳化硅陶瓷的性质较脆，在长期的使用过程中容易损坏。
发明内容
本发明的目的在于提供一种增韧碳化硅陶瓷窑具平板制造方法，以解决上述背景技术中提出的现有的碳化硅陶瓷的性质较脆，在长期的使用过程中容易损坏的问题。
为实现上述目的，本发明提供如下技术方案：一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，升温加热，充入惰性气体进行恒温烧结2.5-4h；
S8：以50-70℃/min的降温速率降温至500-600℃，煅烧1-3h，再以200-250℃/min的升温速率升温至1300-1400℃，煅烧1-2h，保温1-2h，最后以100-150℃/min的降温速率降温至室温，制得碳化硅陶瓷窑具平板。
优选的，所述步骤S1中的乙醇加入体积为碳化硅微粉体积的200-500倍。
优选的，所述步骤S2中的球磨时间为1-2h。
优选的，所述步骤S6中的烘干温度为50-75℃。
优选的，所述步骤S7中的升温加热是以70-90℃/min的升温速率加热至1400-1600℃。
与现有技术相比，本发明的有益效果是：该种增韧碳化硅陶瓷窑具平板制造方法，通过将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网，在制得碳化硅陶瓷窑具平板添加纤维网，通过纤维网增强制得碳化硅陶瓷窑具平板的韧性。
具体实施方式
下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明提供一种增韧碳化硅陶瓷窑具平板制造方法，通过将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网，在制得碳化硅陶瓷窑具平板添加纤维网，通过纤维网增强制得碳化硅陶瓷窑具平板的韧性，该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，乙醇加入体积为碳化硅微粉体积的200-500倍，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，球磨1-2h，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，烘干温度为50-75℃，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，以70-90℃/min的升温速率加热至1400-1600℃，充入惰性气体进行恒温烧结2.5-4h；
S8：以50-70℃/min的降温速率降温至500-600℃，煅烧1-3h，再以200-250℃/min的升温速率升温至1300-1400℃，煅烧1-2h，保温1-2h，最后以100-150℃/min的降温速率降温至室温，即得所述增韧碳化硅陶瓷。
实施例1
该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，乙醇加入体积为碳化硅微粉体积的300倍，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，球磨1-2h，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，烘干温度为60℃，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，以70℃/min的升温速率加热至1500℃，充入惰性气体进行恒温烧结3h；
S8：以60℃/min的降温速率降温至550℃，煅烧1.5h，再以200℃/min的升温速率升温至1370℃，煅烧1.4h，保温1.h，最后以130℃/min的降温速率降温至室温，即得所述增韧碳化硅陶瓷。
实施例2
该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，乙醇加入体积为碳化硅微粉体积的400倍，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，球磨1.7h，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，烘干温度为55℃，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，以75℃/min的升温速率加热至1550℃，充入惰性气体进行恒温烧结2.9h；
S8：以57℃/min的降温速率降温至530℃，煅烧2h，再以240℃/min的升温速率升温至1370℃，煅烧1.5h，保温1.7h，最后以140℃/min的降温速率降温至室温，即得所述增韧碳化硅陶瓷。
实施例3
该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，乙醇加入体积为碳化硅微粉体积的450倍，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，球磨1.3h，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，烘干温度为70℃，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，以80℃/min的升温速率加热至1500℃，充入惰性气体进行恒温烧结3h；
S8：以60℃/min的降温速率降温至580℃，煅烧2h，再以225℃/min的升温速率升温至1340℃，煅烧2h，保温1.7h，最后以145℃/min的降温速率降温至室温，即得所述增韧碳化硅陶瓷。
虽然在上文中已经参考实施例对本发明进行了描述，然而在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，本发明所披露的实施例中的各项特征均可通过任意方式相互结合起来使用，在本说明书中未对这些组合的情况进行穷举性的描述仅仅是出于省略篇幅和节约资源的考虑。因此，本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。
Claims (5)
1.一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：该增韧碳化硅陶瓷窑具平板制造方法包括如下步骤：
S1：将碳化硅粉、炭黑与碳化硼粉加入乙醇中超声，形成乙醇悬浮液；
S2：将氧化铝、氟化镁和钛合金粉混合，进行球磨，制得金属粉料；
S3：将氧化铝晶须与玻璃纤维混合制备成纤维丝1，将氧化铝晶须与碳纤维混合制成纤维丝2，将纤维丝1横向设置，纤维丝2纵向设置，将纤维丝1与纤维丝2制成纤维网；
S4：将步骤S2中获得的金属粉料置于步骤S1中的乙醇悬浮液进行研磨混合，制得浆料；
S5：将浆料投放到模具内，再将纤维网置于浆料顶部，再次投放浆料，浆料与纤维网相互叠加填充在模具的内腔，直至浆料填满模具，并通过振动设备对浆料进行振动，使得浆料均匀的填充在模具的内腔；
S6：将填充有浆料的模具置于烘干装置内进行烘干，直至浆料处于半干状态；
S7：将配重物置于模具的内腔与半干的浆料相接触，通过配重物对浆料施加重力，升温加热，充入惰性气体进行恒温烧结2.5-4h；
S8：以50-70℃/min的降温速率降温至500-600℃，煅烧1-3h，再以200-250℃/min的升温速率升温至1300-1400℃，煅烧1-2h，保温1-2h，最后以100-150℃/min的降温速率降温至室温，制得碳化硅陶瓷窑具平板。
2.根据权利要求1所述的一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：所述步骤S1中的乙醇加入体积为碳化硅微粉体积的200-500倍。
3.根据权利要求2所述的一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：所述步骤S2中的球磨时间为1-2h。
4.根据权利要求3所述的一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：所述步骤S6中的烘干温度为50-75℃。
5.根据权利要求4所述的一种增韧碳化硅陶瓷窑具平板制造方法，其特征在于：所述步骤S7中的升温加热是以70-90℃/min的升温速率加热至1400-1600℃。
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