JP7015397B2 - クロム合金化二ケイ化モリブデンを含む加熱素子及びその使用 - Google Patents
クロム合金化二ケイ化モリブデンを含む加熱素子及びその使用 Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims description 75
- 229910052750 molybdenum Inorganic materials 0.000 title claims description 58
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims description 49
- 239000011733 molybdenum Substances 0.000 title claims description 49
- 239000011651 chromium Substances 0.000 title claims description 42
- 229910052804 chromium Inorganic materials 0.000 title claims description 24
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 20
- 239000000203 mixture Substances 0.000 claims description 45
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- 229910000323 aluminium silicate Inorganic materials 0.000 claims description 11
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 11
- 229910016006 MoSi Inorganic materials 0.000 claims description 10
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 14
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000000440 bentonite Substances 0.000 description 5
- 229910000278 bentonite Inorganic materials 0.000 description 5
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 229910052809 inorganic oxide Inorganic materials 0.000 description 3
- 230000008092 positive effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000788 chromium alloy Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Description
少なくとも1つの部品は、90重量%超の(Mo1-xCrx)Si2を含む二ケイ化モリブデン組成物をベースとしており、xは0.16≦x≦0.19の範囲であり;かつ
少なくとも1つの部品は、
a)90重量%以上のMoSi2と、アルミノケイ酸塩及び/又はSiO2である残部、又は
b)90重量%以上の(Mo,W)Si2と、アルミノケイ酸塩及び/又はSiO2である残部
を含む、二ケイ化モリブデン組成物をベースとしている。
少なくとも1つの部品は、90重量%超の(Mo1-xCrx)Si2を含む二ケイ化モリブデン組成物をベースとしており、xは0.16≦x≦0.19の範囲であり;かつ
少なくとも1つの部品は、
a)90重量%以上のMoSi2と、アルミノケイ酸塩及び/又はSiO2である残部、又は
b)90重量%以上の(Mo,W)Si2と、アルミノケイ酸塩及び/又はSiO2である残部
を含む、二ケイ化モリブデン組成物をベースとしている:
モリブデン、ケイ素、及びクロム粉末の混合物を調製し、Ar中で加熱して、それぞれ、MoSi2及びMo0.85Cr0.15Si2を形成した。反応生成物を5μmの平均粒子径へと粉砕した。その後、ケイ化物粉末を5重量%のベントナイト(ベントライトL)及び水と混合して、押し出しするためのペーストを形成した。それぞれの組成物を直径9mmのロッドに押し出し、その後、乾燥させ、水素中、1375℃で1時間予備焼結した。次に、完全な密度を達成するための最終焼結を、空気中、1500℃まで5分間抵抗加熱することによって実施した。
Claims (10)
- 少なくとも2つの二ケイ化モリブデンをベースとした部品から構成される加熱素子であって、
少なくとも1つの部品が、90重量%超の(Mo1-xCrx)Si2を含む二ケイ化モリブデン組成物をベースとしており、ここでxは0.16≦x≦0.19の範囲であり;かつ
少なくとも1つの部品が、
a)90重量%以上のMoSi2と、アルミノケイ酸塩及び/又はSiO2である残部、又は
b)90重量%以上の(Mo,W)Si2と、アルミノケイ酸塩及び/又はSiO2である残部、
を含む、二ケイ化モリブデン組成物をベースとしている、
加熱素子。 - xが0.16≦x≦0.18の範囲である、請求項1に記載の加熱素子。
- xが0.165≦x≦0.175の範囲である、請求項1又は請求項2に記載の加熱素子。
- 二ケイ化モリブデンが、クロムで置き換えられており、95重量%からの(Mo1-xCrx)Si2を含む、請求項1から3のいずれか一項に記載の加熱素子。
- 二ケイ化モリブデンの組成物がクロムで置き換えられており、残部がアルミノケイ酸塩及び/又はSiO2である、請求項1から4のいずれか一項に記載の加熱素子。
- 加熱素子全体が請求項1から5のいずれかに記載される二ケイ化モリブデン組成物からなる、請求項1から5のいずれか一項に記載の加熱素子。
- 加熱素子が2つの部品からなる、請求項1から6のいずれか一項に記載される加熱素子。
- 加熱素子が3つの二ケイ化モリブデンをベースとした部品からなり、ここで、加熱素子の2つの部品は、同じ二ケイ化モリブデンをベースとした組成物に基づいており、加熱素子の1つの部品は、異なる二ケイ化モリブデンをベースとした組成物に基づいている、請求項1から7のいずれか一項に記載の加熱素子。
- 加熱炉内での請求項1から7のいずれか一項に記載の加熱素子の使用。
- 請求項1から7のいずれか一項に記載の加熱素子を含む、加熱炉。
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PCT/EP2019/056631 WO2019179904A1 (en) | 2018-03-18 | 2019-03-15 | A heating element comprising chromium alloyed molybdenum disilicide and the use thereof |
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JP2002348174A (ja) | 2002-03-20 | 2002-12-04 | Japan Energy Corp | 低酸素拡散性ガラス質被膜を有するMoSi2を主体とする発熱材料 |
JP2004307243A (ja) | 2003-04-04 | 2004-11-04 | Nikko Materials Co Ltd | MoSi2粉末、同粉末の製造方法、同粉末を用いた発熱体及び発熱体の製造方法 |
JP2015195186A (ja) | 2014-03-20 | 2015-11-05 | Jx日鉱日石金属株式会社 | タングステンを含んだ二珪化モリブデン製ヒーター |
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US20210009474A1 (en) | 2021-01-14 |
CN111869317B (zh) | 2022-06-14 |
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JP2021510003A (ja) | 2021-04-08 |
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