CN102503418B - Low-temperature liquid-phase sintered La2Zr2O7 ceramics and sintering method thereof - Google Patents
Low-temperature liquid-phase sintered La2Zr2O7 ceramics and sintering method thereof Download PDFInfo
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- CN102503418B CN102503418B CN201110328256.1A CN201110328256A CN102503418B CN 102503418 B CN102503418 B CN 102503418B CN 201110328256 A CN201110328256 A CN 201110328256A CN 102503418 B CN102503418 B CN 102503418B
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- 238000005245 sintering Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000007791 liquid phase Substances 0.000 title claims abstract description 26
- 239000000919 ceramic Substances 0.000 title abstract description 34
- 229910002230 La2Zr2O7 Inorganic materials 0.000 title abstract 17
- 238000002156 mixing Methods 0.000 claims abstract description 11
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 22
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 19
- 238000000498 ball milling Methods 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 238000000227 grinding Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 4
- 239000011812 mixed powder Substances 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 238000000748 compression moulding Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 2
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 13
- 239000012720 thermal barrier coating Substances 0.000 abstract description 12
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 6
- 239000013078 crystal Substances 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 4
- 239000002671 adjuvant Substances 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 12
- 238000005452 bending Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000000280 densification Methods 0.000 description 5
- 238000007542 hardness measurement Methods 0.000 description 5
- 238000001272 pressureless sintering Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- 229910000990 Ni alloy Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 2
- 238000007750 plasma spraying Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001652 electrophoretic deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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CN201110328256.1A CN102503418B (en) | 2011-10-25 | 2011-10-25 | Low-temperature liquid-phase sintered La2Zr2O7 ceramics and sintering method thereof |
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CN201110328256.1A CN102503418B (en) | 2011-10-25 | 2011-10-25 | Low-temperature liquid-phase sintered La2Zr2O7 ceramics and sintering method thereof |
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CN102503418A CN102503418A (en) | 2012-06-20 |
CN102503418B true CN102503418B (en) | 2014-04-30 |
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CN201110328256.1A Expired - Fee Related CN102503418B (en) | 2011-10-25 | 2011-10-25 | Low-temperature liquid-phase sintered La2Zr2O7 ceramics and sintering method thereof |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103803972B (en) * | 2013-12-26 | 2015-01-14 | 浙江大学 | Large-size block La2Zr2O7 ceramic material and hot pressed sintering preparation process thereof |
CN103803973B (en) * | 2013-12-26 | 2015-09-09 | 浙江大学 | Lower thermal conductivity, high strength dense pure phase zirconic acid lanthanum pottery and preparation method thereof |
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2011
- 2011-10-25 CN CN201110328256.1A patent/CN102503418B/en not_active Expired - Fee Related
Non-Patent Citations (4)
Title |
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低温烧结8YSZ的微观组织结构及力学性能研究;郭雁军;《中南大学硕士学位论文》;20111017;50-52 * |
周宏明等.热障涂层陶瓷材料的研究现状及发展趋势.《材料导报》.2007,第21卷(第1期),1-3. |
热障涂层陶瓷材料的研究现状及发展趋势;周宏明等;《材料导报》;20070131;第21卷(第1期);1-3 * |
郭雁军.低温烧结8YSZ的微观组织结构及力学性能研究.《中南大学硕士学位论文》.2011,50-52. |
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Inventor after: Zhou Hongming Inventor after: Kong Fanrong Inventor after: Liu Furong Inventor after: Li Yanfen Inventor after: Zhu Yuhua Inventor after: Tan Di Inventor before: Zhou Hongming Inventor before: Li Jian Inventor before: Liu Furong Inventor before: Li Yanfen Inventor before: Zhu Yuhua Inventor before: Tan Di |
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Effective date of registration: 20160705 Address after: 214200 Building No. 10, No. 2, apricot Road, Yixing Economic Development Zone, Jiangsu, China Patentee after: JIANGSU XINGYUN NEW ENERGY Co.,Ltd. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: Central South University |
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Granted publication date: 20140430 |