CN108911774A - 一种碳化硼-氧化铝复合陶瓷喷嘴及其制备方法 - Google Patents
一种碳化硼-氧化铝复合陶瓷喷嘴及其制备方法 Download PDFInfo
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052796 boron Inorganic materials 0.000 title claims abstract description 42
- 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 36
- 239000000919 ceramic Substances 0.000 title claims abstract description 36
- 239000002131 composite material Substances 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims abstract description 46
- 239000000843 powder Substances 0.000 claims abstract description 39
- 239000002994 raw material Substances 0.000 claims abstract description 31
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 30
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004917 carbon fiber Substances 0.000 claims abstract description 30
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims abstract description 30
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims abstract description 30
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims abstract description 30
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims abstract description 30
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 30
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 claims abstract description 30
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 claims abstract description 30
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011029 spinel Substances 0.000 claims abstract description 30
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 30
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 30
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000000440 bentonite Substances 0.000 claims abstract description 29
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 29
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000001110 calcium chloride Substances 0.000 claims abstract description 29
- 229910001628 calcium chloride Inorganic materials 0.000 claims abstract description 29
- 229910000033 sodium borohydride Inorganic materials 0.000 claims abstract description 29
- 239000012279 sodium borohydride Substances 0.000 claims abstract description 29
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 27
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910017083 AlN Inorganic materials 0.000 claims abstract description 23
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims abstract description 23
- 229910001629 magnesium chloride Inorganic materials 0.000 claims abstract description 23
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims abstract description 21
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 31
- 238000010792 warming Methods 0.000 claims description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 9
- 239000003082 abrasive agent Substances 0.000 claims description 9
- 238000000748 compression moulding Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 239000012467 final product Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- 229910052708 sodium Inorganic materials 0.000 claims description 9
- 239000011734 sodium Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims description 9
- 238000006197 hydroboration reaction Methods 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract 1
- 230000007797 corrosion Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 8
- 238000000227 grinding Methods 0.000 description 8
- -1 polypropylene Polymers 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000004411 aluminium Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 238000003763 carbonization Methods 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 238000005660 chlorination reaction Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052575 non-oxide ceramic Inorganic materials 0.000 description 1
- 239000011225 non-oxide ceramic Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
本发明公开了一种碳化硼‑氧化铝复合陶瓷喷嘴及其制备方法,所述碳化硼‑氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼22‑35份,二硅化钼2‑6份,碳纤维6‑12份,氧化锗1‑5份,纳米二氧化钛3‑9份,硼氢化钠2‑7份,氟化镁8‑13份,氮化铝6‑10份,氧化锆2‑6份,硅藻土5‑13份,氧化钇2‑6份,膨润土粉6‑11份,聚丙烯酸钠3‑8份,氯化钙2‑6份,氯化镁3‑8份,铝镁尖晶石2‑6份。与现有技术相比,本发明中碳化硼‑氧化铝复合陶瓷喷嘴的耐高温和耐腐蚀性强,有利于提高喷嘴的使用寿命。
Description
技术领域
本发明属于材料技术领域,特别涉及一种碳化硼-氧化铝复合陶瓷喷嘴及其制备方法。
背景技术
碳化硼是一种共价键极强的非氧化物陶瓷,硬度非常高,仅次于金刚石和立方氮化硼。广泛应用于喷砂机的喷嘴、密封元件及耐磨损领域的涂层材料等。然而,为了使喷嘴的使用性能更好,使用寿命更长,喷嘴不但需要较高的硬度,同时还需要机械强度高、耐高温以及耐磨性好等优点。因而,对现有的碳化硼材料进行适当改进极为重要。
发明内容
本发明的目的是提供一种碳化硼-氧化铝复合陶瓷喷嘴及其制备方法,该喷嘴的机械强度高、耐高温性和耐磨性好。
为实现上述目的,本发明提供如下技术方案:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼22-35份,二硅化钼2-6份,碳纤维6-12份,氧化锗1-5份,纳米二氧化钛3-9份,硼氢化钠2-7份,氟化镁8-13份,氮化铝6-10份,氧化锆2-6份,硅藻土5-13份,氧化钇2-6份,膨润土粉6-11份,聚丙烯酸钠3-8份,氯化钙2-6份,氯化镁3-8份,铝镁尖晶石2-6份。
优选地,所述碳化硼-氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼32份,二硅化钼3份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠6份,氟化镁11份,氮化铝7份,氧化锆3份,硅藻土12份,氧化钇3份,膨润土粉9份,聚丙烯酸钠6份,氯化钙3份,氯化镁6份,铝镁尖晶石5份。
优选地,所述碳化硼-氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼35份,二硅化钼6份,碳纤维11份,氧化锗3份,纳米二氧化钛8份,硼氢化钠6份,氟化镁10份,氮化铝7份,氧化锆4份,硅藻土13份,氧化钇3份,膨润土粉7份,聚丙烯酸钠5份,氯化钙3份,氯化镁7份,铝镁尖晶石3份。
优选地,所述碳化硼-氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼30份,二硅化钼6份,碳纤维11份,氧化锗5份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土10份,氧化钇5份,膨润土粉8份,聚丙烯酸钠5份,氯化钙5份,氯化镁7份,铝镁尖晶石4份。
优选地,所述碳化硼-氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼26份,二硅化钼4份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土11份,氧化钇3份,膨润土粉9份,聚丙烯酸钠8份,氯化钙3份,氯化镁3份,铝镁尖晶石6份。
优选地,所述碳化硼-氧化铝复合陶瓷喷嘴由以下重量份数的原料组分制成:碳化硼30份,二硅化钼5份,碳纤维11份,氧化锗3份,纳米二氧化钛7份,硼氢化钠6份,氟化镁11份,氮化铝8份,氧化锆6份,硅藻土11份,氧化钇4份,膨润土粉9份,聚丙烯酸钠5份,氯化钙4份,氯化镁8份,铝镁尖晶石2份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
与现有技术相比,本发明的有益效果是:
本发明中碳化硼-氧化铝复合陶瓷喷嘴以碳化硼和氮化铝为主要原料,同时特别添加有二硅化钼、碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、氯化钙和铝镁尖晶石等辅料,并通过各原料组分之间的合理配比,从而使其机械强度高、耐高温性和耐磨性好,使用寿命长。
具体实施方式
下面结合实施例详细说明本发明的技术方案,但保护范围并不受此限制。
实施例一:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼32份,二硅化钼3份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠6份,氟化镁11份,氮化铝7份,氧化锆3份,硅藻土12份,氧化钇3份,膨润土粉9份,聚丙烯酸钠6份,氯化钙3份,氯化镁6份,铝镁尖晶石5份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例二:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼35份,二硅化钼6份,碳纤维11份,氧化锗3份,纳米二氧化钛8份,硼氢化钠6份,氟化镁10份,氮化铝7份,氧化锆4份,硅藻土13份,氧化钇3份,膨润土粉7份,聚丙烯酸钠5份,氯化钙3份,氯化镁7份,铝镁尖晶石3份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例三:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼30份,二硅化钼6份,碳纤维11份,氧化锗5份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土10份,氧化钇5份,膨润土粉8份,聚丙烯酸钠5份,氯化钙5份,氯化镁7份,铝镁尖晶石4份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例四:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼26份,二硅化钼4份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土11份,氧化钇3份,膨润土粉9份,聚丙烯酸钠8份,氯化钙3份,氯化镁3份,铝镁尖晶石6份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例五:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼30份,二硅化钼5份,碳纤维11份,氧化锗3份,纳米二氧化钛7份,硼氢化钠6份,氟化镁11份,氮化铝8份,氧化锆6份,硅藻土11份,氧化钇4份,膨润土粉9份,聚丙烯酸钠5份,氯化钙4份,氯化镁8份,铝镁尖晶石2份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例六:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼22份,二硅化钼2份,碳纤维6份,氧化锗1份,纳米二氧化钛3份,硼氢化钠2份,氟化镁8份,氮化铝6份,氧化锆2份,硅藻土5份,氧化钇2份,膨润土粉6份,聚丙烯酸钠3份,氯化钙2份,氯化镁3份,铝镁尖晶石2份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
实施例七:
一种碳化硼-氧化铝复合陶瓷喷嘴,其由以下重量份数的原料组分制成:碳化硼35份,二硅化钼6份,碳纤维12份,氧化锗5份,纳米二氧化钛9份,硼氢化钠7份,氟化镁13份,氮化铝10份,氧化锆6份,硅藻土13份,氧化钇6份,膨润土粉11份,聚丙烯酸钠8份,氯化钙6份,氯化镁8份,铝镁尖晶石6份。
所述的碳化硼-氧化铝复合陶瓷喷嘴的制备方法,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
最后说明的是,以上实施例仅用以说明本发明的技术方案而非限制,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本技术方案的宗旨和范围,其均应涵盖在本发明的权利要求范围当中。
Claims (7)
1.一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼22-35份,二硅化钼2-6份,碳纤维6-12份,氧化锗1-5份,纳米二氧化钛3-9份,硼氢化钠2-7份,氟化镁8-13份,氮化铝6-10份,氧化锆2-6份,硅藻土5-13份,氧化钇2-6份,膨润土粉6-11份,聚丙烯酸钠3-8份,氯化钙2-6份,氯化镁3-8份,铝镁尖晶石2-6份。
2.根据权利要求1所述的一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼32份,二硅化钼3份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠6份,氟化镁11份,氮化铝7份,氧化锆3份,硅藻土12份,氧化钇3份,膨润土粉9份,聚丙烯酸钠6份,氯化钙3份,氯化镁6份,铝镁尖晶石5份。
3.根据权利要求1所述的一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼35份,二硅化钼6份,碳纤维11份,氧化锗3份,纳米二氧化钛8份,硼氢化钠6份,氟化镁10份,氮化铝7份,氧化锆4份,硅藻土13份,氧化钇3份,膨润土粉7份,聚丙烯酸钠5份,氯化钙3份,氯化镁7份,铝镁尖晶石3份。
4.根据权利要求1所述的一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼30份,二硅化钼6份,碳纤维11份,氧化锗5份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土10份,氧化钇5份,膨润土粉8份,聚丙烯酸钠5份,氯化钙5份,氯化镁7份,铝镁尖晶石4份。
5.根据权利要求1所述的一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼26份,二硅化钼4份,碳纤维11份,氧化锗2份,纳米二氧化钛5份,硼氢化钠4份,氟化镁9份,氮化铝8份,氧化锆3份,硅藻土11份,氧化钇3份,膨润土粉9份,聚丙烯酸钠8份,氯化钙3份,氯化镁3份,铝镁尖晶石6份。
6.根据权利要求1所述的一种碳化硼-氧化铝复合陶瓷喷嘴,其特征在于,由以下重量份数的原料组分制成:碳化硼30份,二硅化钼5份,碳纤维11份,氧化锗3份,纳米二氧化钛7份,硼氢化钠6份,氟化镁11份,氮化铝8份,氧化锆6份,硅藻土11份,氧化钇4份,膨润土粉9份,聚丙烯酸钠5份,氯化钙4份,氯化镁8份,铝镁尖晶石2份。
7.根据权利要求1-6中任一项所述的一种碳化硼-氧化铝复合陶瓷喷嘴的制备方法,其特征在于,包括以下步骤:
(1)按照重量份数比称取各原料组分;
(2)将碳纤维、氧化锗、纳米二氧化钛、硼氢化钠、氟化镁、氧化锆、氧化钇、聚丙烯酸钠、氯化钙和氯化镁混合,混合料加热至2550-2700℃,熔炼20-24min,随后自然冷却至室温,球磨至260-270目粉体后,充分搅拌均匀备用;
(3)将碳化硼、硅藻土、铝镁尖晶石、膨润土粉、二硅化钼和氮化铝放入球磨机,并将粉磨后的磨料加入步骤(2)所得的物料中,充分混合后备用;
(4)将(3)得到的混合物料送入模具中压制成型,成型条件:压力机设定温度为285-290℃,在15-16MPa条件下保压30-36min,出模得胚体;
(5)将胚体进行烧结处理,胚体先在20-26min内升温至430-445℃,保温2-3小时,再按12℃/min升温至1500-1600℃,保温12-13小时后取出,自然冷却后即得。
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