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METHOD FOR MANUFACTURING REACTION SINTERED SILICON CARBIDE MEMBER
PROBLEM TO BE SOLVED: To provide a method for manufacturing a reaction sintered silicon carbide member having a large-sized and complicated shape and excellent in ceramic characteristics such as rigidity, strength and the like.SOLUTION: The method comprises at least steps of: preparing a raw material including at least a silicon carbide particle and a molding resin; forming a thin film of the raw material, irradiating a desired region of the thin film with a laser and sintering the thin film to form a sintered thin film; performing the previous step several times to form a molded product produced by laminating a plurality of the sintered thin films; impregnating the molded product with an assist agent including a carbon source and curing the molded product impregnated with the assist agent to produce a cured product; carbonizing an organic compound component included in the cured product to produce a sintered body; and impregnating the sintered body with silicon and subjecting the sintered body to reaction sintering to produce a reaction sintered silicon carbide member. The sintered body contains carbon in an amount of not less than 8 wt% to not more than 30 wt%.SELECTED DRAWING: Figure 2
【課題】 大型かつ複雑形状であり、剛性および強度などのセラミックス特性に優れる反応焼結炭化ケイ素部材の製造方法の提供。【解決手段】 この方法は、炭化ケイ素粒子と成形用樹脂とを少なくとも含む原料を用意する工程と、前記原料の薄層を形成し、当該薄層の所望の領域にレーザーを照射し、当該薄層を焼結させて焼結薄層を形成する工程と、前記工程を複数回行い、前記焼結薄層が複数積層されてなる成形体を得る工程と、前記成形体に炭素源を含むアシスト剤を含浸させ、そして当該アシスト剤を含浸させた成形体を硬化させて硬化体を得る工程と、前記硬化体に含まれる有機化合物成分を炭化させて、焼成体を得る工程と、前記焼成体にシリコンを含浸させ、そして当該焼成体を反応焼結させて反応焼結炭化ケイ素部材を得る工程とを少なくとも含んでなり、前記焼成体は炭素を８重量％以上３０重量％以下含むものである。【選択図】 図２
METHOD FOR MANUFACTURING REACTION SINTERED SILICON CARBIDE MEMBER
PROBLEM TO BE SOLVED: To provide a method for manufacturing a reaction sintered silicon carbide member having a large-sized and complicated shape and excellent in ceramic characteristics such as rigidity, strength and the like.SOLUTION: The method comprises at least steps of: preparing a raw material including at least a silicon carbide particle and a molding resin; forming a thin film of the raw material, irradiating a desired region of the thin film with a laser and sintering the thin film to form a sintered thin film; performing the previous step several times to form a molded product produced by laminating a plurality of the sintered thin films; impregnating the molded product with an assist agent including a carbon source and curing the molded product impregnated with the assist agent to produce a cured product; carbonizing an organic compound component included in the cured product to produce a sintered body; and impregnating the sintered body with silicon and subjecting the sintered body to reaction sintering to produce a reaction sintered silicon carbide member. The sintered body contains carbon in an amount of not less than 8 wt% to not more than 30 wt%.SELECTED DRAWING: Figure 2
【課題】 大型かつ複雑形状であり、剛性および強度などのセラミックス特性に優れる反応焼結炭化ケイ素部材の製造方法の提供。【解決手段】 この方法は、炭化ケイ素粒子と成形用樹脂とを少なくとも含む原料を用意する工程と、前記原料の薄層を形成し、当該薄層の所望の領域にレーザーを照射し、当該薄層を焼結させて焼結薄層を形成する工程と、前記工程を複数回行い、前記焼結薄層が複数積層されてなる成形体を得る工程と、前記成形体に炭素源を含むアシスト剤を含浸させ、そして当該アシスト剤を含浸させた成形体を硬化させて硬化体を得る工程と、前記硬化体に含まれる有機化合物成分を炭化させて、焼成体を得る工程と、前記焼成体にシリコンを含浸させ、そして当該焼成体を反応焼結させて反応焼結炭化ケイ素部材を得る工程とを少なくとも含んでなり、前記焼成体は炭素を８重量％以上３０重量％以下含むものである。【選択図】 図２
METHOD FOR MANUFACTURING REACTION SINTERED SILICON CARBIDE MEMBER
反応焼結炭化ケイ素部材の製造方法
IDE TAKAYUKI (author) / ANDO MASAMI (author) / TOKIZONO TAKEO (author)
2016-12-08
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
/
B28B
Formgeben von Ton oder anderen keramischen Stoffzusammensetzungen, Schlacke oder von Mischungen, die zementartiges Material enthalten, z.B. Putzmörtel
,
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
/
B33Y
ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
,
Additive (generative) Fertigung, d. h. die Herstellung von dreidimensionalen [3D] Bauteilen durch additive Abscheidung, additive Agglomeration oder additive Schichtung, z. B. durch 3D- Drucken, Stereolithografie oder selektives Lasersintern
| European Patent Office | 2016