CN114956832B - 一种超高温陶瓷致密化方法、超高温陶瓷 - Google Patents
一种超高温陶瓷致密化方法、超高温陶瓷 Download PDFInfo
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- CN114956832B CN114956832B CN202210342262.0A CN202210342262A CN114956832B CN 114956832 B CN114956832 B CN 114956832B CN 202210342262 A CN202210342262 A CN 202210342262A CN 114956832 B CN114956832 B CN 114956832B
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- 239000011215 ultra-high-temperature ceramic Substances 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 96
- 238000000280 densification Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 167
- 239000000654 additive Substances 0.000 claims abstract description 47
- 230000000996 additive effect Effects 0.000 claims abstract description 43
- 238000005245 sintering Methods 0.000 claims abstract description 39
- 230000007547 defect Effects 0.000 claims abstract description 33
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 230000009467 reduction Effects 0.000 claims description 26
- 239000000919 ceramic Substances 0.000 claims description 16
- 238000002441 X-ray diffraction Methods 0.000 claims description 13
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 238000003980 solgel method Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000001272 pressureless sintering Methods 0.000 claims description 4
- 238000001513 hot isostatic pressing Methods 0.000 claims description 3
- 238000002490 spark plasma sintering Methods 0.000 claims description 3
- 229910003862 HfB2 Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 7
- 229910010293 ceramic material Inorganic materials 0.000 description 6
- 238000005315 distribution function Methods 0.000 description 6
- 238000007731 hot pressing Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910007948 ZrB2 Inorganic materials 0.000 description 2
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 150000003623 transition metal compounds Chemical class 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- -1 boride Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/5805—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides
- C04B35/58064—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides
- C04B35/58078—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on borides based on refractory borides based on zirconium or hafnium borides
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- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/5607—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides
- C04B35/5622—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on refractory metal carbides based on zirconium or hafnium carbides
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Citations (14)
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US11667576B2 (en) * | 2019-03-08 | 2023-06-06 | Purdue Research Foundation | Methods of enhancing the deformability of ceramic materials and ceramic materials made thereby |
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