A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MANUFACTURING METHOD OF SILICON CARBIDE HONEYCOMB STRUCTURE
PROBLEM TO BE SOLVED: To provide a manufacturing method of a silicon carbide honeycomb structure whereby the operational efficiency can be improved and the extension of the life duration of a member for firing can be realized.SOLUTION: This manufacturing method 1 includes a sintering process S1 where a silicon carbide honeycomb structure is manufactured by introducing an extrusion molded honeycomb compact 2 containing silicon carbide into a firing furnace 4 along with a member for firing 3 to sinter them, in which the member for firing 3 is formed by using ceramic materials with an alumina content of 70 wt% or more, and the sintering process S1 further comprises an inert gas supplying step S2 where argon gas 8 is supplied into a furnace space 5 of the firing furnace 4, and methane gas addition step S3 where the methane gas as a reducing gas 11 is added into the furnace space 5.SELECTED DRAWING: Figure 1
【課題】焼成炉の稼働効率を向上させるとともに、焼成用部材の長寿命化を図ることが可能な炭化珪素質ハニカム構造体の製造方法の提供を課題とする。【解決手段】製造方法１は、押出成形された炭化珪素質成分を含むハニカム成形体２を焼成用部材３とともに、焼成炉４に導入して焼成し、炭化珪素質ハニカム構造体を製造する焼成工程Ｓ１を備え、焼成用部材３は、アルミナ含有率が７０ｗｔ％以上のセラミックス材料を用いて形成され、焼成工程Ｓ１は、焼成炉４の炉内空間５にアルゴンガス８を供給する不活性ガス供給工程Ｓ２と、炉内空間５に、還元性ガス１１としてのメタンガスを添加するガス添加工程Ｓ３とを更に備える。【選択図】図１
MANUFACTURING METHOD OF SILICON CARBIDE HONEYCOMB STRUCTURE
PROBLEM TO BE SOLVED: To provide a manufacturing method of a silicon carbide honeycomb structure whereby the operational efficiency can be improved and the extension of the life duration of a member for firing can be realized.SOLUTION: This manufacturing method 1 includes a sintering process S1 where a silicon carbide honeycomb structure is manufactured by introducing an extrusion molded honeycomb compact 2 containing silicon carbide into a firing furnace 4 along with a member for firing 3 to sinter them, in which the member for firing 3 is formed by using ceramic materials with an alumina content of 70 wt% or more, and the sintering process S1 further comprises an inert gas supplying step S2 where argon gas 8 is supplied into a furnace space 5 of the firing furnace 4, and methane gas addition step S3 where the methane gas as a reducing gas 11 is added into the furnace space 5.SELECTED DRAWING: Figure 1
【課題】焼成炉の稼働効率を向上させるとともに、焼成用部材の長寿命化を図ることが可能な炭化珪素質ハニカム構造体の製造方法の提供を課題とする。【解決手段】製造方法１は、押出成形された炭化珪素質成分を含むハニカム成形体２を焼成用部材３とともに、焼成炉４に導入して焼成し、炭化珪素質ハニカム構造体を製造する焼成工程Ｓ１を備え、焼成用部材３は、アルミナ含有率が７０ｗｔ％以上のセラミックス材料を用いて形成され、焼成工程Ｓ１は、焼成炉４の炉内空間５にアルゴンガス８を供給する不活性ガス供給工程Ｓ２と、炉内空間５に、還元性ガス１１としてのメタンガスを添加するガス添加工程Ｓ３とを更に備える。【選択図】図１
MANUFACTURING METHOD OF SILICON CARBIDE HONEYCOMB STRUCTURE
炭化珪素質ハニカム構造体の製造方法
IHARA CHIKAFUMI (author) / YOSHIDA SHINYA (author) / KAMEI YOSHIYUKI (author) / SHIMADA MASATO (author)
2018-10-04
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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