CN110156470A - M-赛隆结合碳化硅陶瓷升液管的制备方法 - Google Patents
M-赛隆结合碳化硅陶瓷升液管的制备方法 Download PDFInfo
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000000919 ceramic Substances 0.000 title claims abstract description 44
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000011812 mixed powder Substances 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000010703 silicon Substances 0.000 claims abstract description 19
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 8
- 238000003763 carbonization Methods 0.000 claims description 5
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 2
- CSSYLTMKCUORDA-UHFFFAOYSA-N barium(2+);oxygen(2-) Chemical compound [O-2].[Ba+2] CSSYLTMKCUORDA-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- 229910000484 niobium oxide Inorganic materials 0.000 claims description 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 2
- MMKQUGHLEMYQSG-UHFFFAOYSA-N oxygen(2-);praseodymium(3+) Chemical compound [O-2].[O-2].[O-2].[Pr+3].[Pr+3] MMKQUGHLEMYQSG-UHFFFAOYSA-N 0.000 claims description 2
- 229910003447 praseodymium oxide Inorganic materials 0.000 claims description 2
- 229910001954 samarium oxide Inorganic materials 0.000 claims description 2
- 229940075630 samarium oxide Drugs 0.000 claims description 2
- FKTOIHSPIPYAPE-UHFFFAOYSA-N samarium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Sm+3].[Sm+3] FKTOIHSPIPYAPE-UHFFFAOYSA-N 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract description 7
- 229910017083 AlN Inorganic materials 0.000 abstract description 5
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010304 firing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 101100373011 Drosophila melanogaster wapl gene Proteins 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 abstract description 2
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 210000004483 pasc Anatomy 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 238000005266 casting Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910003978 SiClx Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 Sai Long Chemical compound 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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Abstract
M‑赛隆结合碳化硅陶瓷升液管的制备方法，将铝溶胶、硅溶胶、金属硅粉和金属铝粉外加M均匀混合后干燥制成混合粉体1，然后加入碳化硅粉体混合均匀后制成混合粉体2，混合粉体2经等静压成型后烧制成M‑赛隆结合碳化硅陶瓷升液管。本发明其优点在于采用了铝溶胶、硅溶胶、金属硅粉和金属铝粉为原料，使得物相混合更加均匀，烧制过程中生成氮化硅和氮化铝，新生成的氮化硅和氮化铝活性高，使得其与铝溶胶和硅溶胶中的氧化铝和氧化硅反应生成赛隆的温度更低，通过改变组成和烧成温度调整赛隆相的膨胀系数，使之与碳化硅的膨胀系数相匹配，提高M‑赛隆结合碳化硅陶瓷升液管的使用寿命。
Description
技术领域
本发明涉及一种M-赛隆结合碳化硅陶瓷升液管的制备方法，属于陶瓷材料制备技术领域。
背景技术
陶瓷升液管应用于铝合金铸造行业，连接铸造设备与铸造模具形成铝合金熔体通道，在生产过程中铝合金熔体间歇通过陶瓷升液管，使陶瓷升液管受到热冲击的频率、强度较高，极易使之产生裂纹损坏。目前国内外主要采用钇酸铝、赛隆、氮化硅、氧氮化硅结合碳化硅、氮化硅结合碳化硅等材质陶瓷升液管。钇酸铝和氮化硅结合碳化硅材质陶瓷升液管使用寿命较短，不能满足生产需要，而赛隆陶瓷升液管或氮化硅陶瓷升液管的价格太高。
发明内容
本发明的目的在于提供一种更能适应铝合金铸造行业使用的M-赛隆结合碳化硅陶瓷升液管的制备方法，其技术方案为：
将铝溶胶、硅溶胶、金属硅粉和金属铝粉加M均匀混合后干燥制成混合粉体1，然后加入碳化硅粉体混合均匀后制成混合粉体2，再将混合粉体2经等静压成型后烧制成M-赛隆结合碳化硅陶瓷升液管，其中，M为氧化钇，或氧化镁，或氧化钡，或氧化铌，或氧化镨，或氧化钛，或氧化钐，具体步骤如下：
（1）混合粉体1的制备：将氧化铝含量为10~30%的铝溶胶：二氧化硅含量为10~30%的硅溶胶：粒度为3~20μm的金属硅粉：粒度为3~20μm的金属铝粉以重量百分比为51~80：29~14：10~3：10~3的比例外加上述4种组分重量之和的1~15%的M均匀混合经干燥后制成混合粉体1；
（2）混合粉体2的制备：将混合粉体1：粒度为3μm~2mm碳化硅粉体以重量百分比为38~72：62~28的比例均匀混合后成制混合粉体2；
（3）M-赛隆结合碳化硅陶瓷升液管坯体的制备：将混合粉体2均匀装入M-赛隆结合碳化硅陶瓷升液管模具内在100~300MPa.压力下等静压成型，制成M-赛隆结合碳化硅陶瓷升液管坯体；
（4）将制成的M-赛隆结合碳化硅陶瓷升液管坯体在450℃~600℃的温度范围内缓慢升温4~8小时，在620℃的温度下保温2~4小时，再在1300~1400℃的温度范围内缓慢升温4~8小时，在1420℃的温度下保温2~4小时，然后在1420~1550℃的温度下烧制2~4小时制成M-赛隆结合碳化硅陶瓷升液管。
本发明其优点在于：
1、本发明采用铝溶胶、硅溶胶、金属硅粉和金属铝粉为原料，使得物相混合更加均匀，并与碳化硅颗粒更充分接触，生成的赛隆相与碳化硅颗粒结合更紧密；
2、本发明采用的金属硅粉和金属铝粉在烧制过程中生成氮化硅和氮化铝，新生成的氮化硅和氮化铝活性高，使得其与铝溶胶和硅溶胶中的氧化铝和氧化硅反应生成赛隆的温度更低；
3、采用本发明所提供的配方体系可以通过改变M添加量和烧成温度调整赛隆相的膨胀系数，使之与碳化硅的膨胀系数相匹配，提高M-赛隆结合碳化硅陶瓷升液管抗热冲击能力，从而提高M-赛隆结合碳化硅陶瓷升液管的使用寿命。
具体实施方式：
实施例1
（1）混合粉体1的制备：将氧化铝含量为10%的铝溶胶：二氧化硅含量为10%的硅溶胶：粒度为3μm的金属硅粉：粒度为3μm的金属铝粉以重量百分比为51：29：10：10的比例外加上述4种组分重量之和的1%的氧化钇均匀混合经干燥后制成混合粉体1；
（2）混合粉体2的制备：将混合粉体1：粒度为3μm碳化硅粉体以重量百分比为38：62的比例均匀混合后成制混合粉体2；
（3）M-赛隆结合碳化硅陶瓷升液管坯体的制备：将混合粉体2均匀装入M-赛隆结合碳化硅陶瓷升液管模具内在100MPa.压力下等静压成型，制成M-赛隆结合碳化硅陶瓷升液管坯体；
（4）将制成的M-赛隆结合碳化硅陶瓷升液管坯体在450℃℃的温度范围内缓慢升温8小时，在620℃的温度下保温4小时，再在1400℃的温度范围内缓慢升温8小时，在1420℃的温度下保温4小时，然后在1550℃的温度下烧制4小时制成M-赛隆结合碳化硅陶瓷升液管。
实施例2
（1）混合粉体1的制备：将氧化铝含量为20%的铝溶胶：二氧化硅含量为20%的硅溶胶：粒度为20μm的金属硅粉：粒度为10μm的金属铝粉以重量百分比为65：21：7：7的比例，外加上述4种组分重量之和的8%的氧化钇均匀混合经干燥后制成混合粉体1；
（2）混合粉体2的制备：将混合粉体1：粒度为1mm碳化硅粉体以重量百分比为55：45的比例均匀混合后成制混合粉体2；
（3）M-赛隆结合碳化硅陶瓷升液管坯体的制备：将混合粉体2均匀装入M-赛隆结合碳化硅陶瓷升液管模具内在200MPa.压力下等静压成型，制成M-赛隆结合碳化硅陶瓷升液管坯体；
（4）将制成的M-赛隆结合碳化硅陶瓷升液管坯体在520℃的温度范围内缓慢升温6小时，在620℃的温度下保温3小时，再在1350℃的温度范围内缓慢升温6小时，在1420℃的温度下保温3小时，然后在1480℃的温度下烧制3小时制成M-赛隆结合碳化硅陶瓷升液管。
实施例3
（1）混合粉体1的制备：将氧化铝含量为30%的铝溶胶：二氧化硅含量为30%的硅溶胶：粒度为20μm的金属硅粉：粒度为20μm的金属铝粉以重量百分比为80： 14： 3： 3的比例外加上述4种组分重量之和的15%的氧化钇均匀混合经干燥后制成混合粉体1；
（2）混合粉体2的制备：将混合粉体1：粒度为2mm碳化硅粉体以重量百分比为72： 28的比例均匀混合后成制混合粉体2；
（3）M-赛隆结合碳化硅陶瓷升液管坯体的制备：将混合粉体2均匀装入M-赛隆结合碳化硅陶瓷升液管模具内在300MPa.压力下等静压成型，制成M-赛隆结合碳化硅陶瓷升液管坯体；
（4）将制成的M-赛隆结合碳化硅陶瓷升液管坯体在450℃℃的温度范围内缓慢升温4小时，在620℃的温度下保温2小时，再在1300℃的温度范围内缓慢升温4小时，在1420℃的温度下保温2小时，制成M-赛隆结合碳化硅陶瓷升液管。
Claims (1)
1.M-赛隆结合碳化硅陶瓷升液管的制备方法，其特征在于，将铝溶胶、硅溶胶、金属硅粉和金属铝粉外加M均匀混合后干燥制成混合粉体1，然后加入碳化硅粉体混合均匀后制成混合粉体2，再将混合粉体2经等静压成型后烧制成M-赛隆结合碳化硅陶瓷升液管，其中，M为氧化钇，或氧化镁，或氧化钡，或氧化铌，或氧化镨，或氧化钛，或氧化钐，具体步骤如下：
（1）混合粉体1的制备：将氧化铝含量为10~30%的铝溶胶：二氧化硅含量为10~30%的硅溶胶：粒度为3~20μm的金属硅粉：粒度为3~20μm的金属铝粉以重量百分比为51~80：29~14：10~3：10~3的比例外加上述4种组分重量之和的1~15%的M均匀混合经干燥后制成混合粉体1；
（2）混合粉体2的制备：将混合粉体1：粒度为3μm~2mm碳化硅粉体以重量百分比为38~72：62~28的比例均匀混合后成制混合粉体2；
（3）M-赛隆结合碳化硅陶瓷升液管坯体的制备：将混合粉体2均匀装入M-赛隆结合碳化硅陶瓷升液管模具内在100~300MPa.压力下等静压成型，制成M-赛隆结合碳化硅陶瓷升液管坯体；
（4）将制成的M-赛隆结合碳化硅陶瓷升液管坯体在450℃~600℃的温度范围内缓慢升温4~8小时，在620℃的温度下保温2~4小时，再在1300~1400℃的温度范围内缓慢升温4~8小时，在1420℃的温度下保温2~4小时，然后在1420~1550℃的温度下烧制2~4小时制成M-赛隆结合碳化硅陶瓷升液管。
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| US4243621A (en) * | 1977-09-28 | 1981-01-06 | Toshiba Ceramics Co., Ltd. | β'-Sialon sintered body and a method for manufacturing the same |
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| CN1403412A (zh) * | 2002-09-28 | 2003-03-19 | 中国科学院上海硅酸盐研究所 | 一种精炼钢包狭缝式透气砖用耐火材料及制作方法 |
| CN101407422A (zh) * | 2008-08-08 | 2009-04-15 | 东营新科信特陶有限责任公司 | 赛龙复相陶瓷升液管及制备方法 |
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| US4243621A (en) * | 1977-09-28 | 1981-01-06 | Toshiba Ceramics Co., Ltd. | β'-Sialon sintered body and a method for manufacturing the same |
| WO2002092535A1 (en) * | 2001-05-16 | 2002-11-21 | Industrial Research Limited | Sialon ceramics |
| CN1403412A (zh) * | 2002-09-28 | 2003-03-19 | 中国科学院上海硅酸盐研究所 | 一种精炼钢包狭缝式透气砖用耐火材料及制作方法 |
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