PRODUCT CONTAINING SILICON CARBIDE AS MAIN COMPONENT AND MANUFACTURING METHOD THEREOF

To enable high-accuracy and low-cost manufacturing of a product containing silicon carbide as a main component by a powder bed molten bonding method.SOLUTION: A manufacturing method of a product containing silicon carbide as a main component includes a step of placing a raw material powder and a ste...

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1. Verfasser:	OKINAKA MOTOKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	To enable high-accuracy and low-cost manufacturing of a product containing silicon carbide as a main component by a powder bed molten bonding method.SOLUTION: A manufacturing method of a product containing silicon carbide as a main component includes a step of placing a raw material powder and a step of applying a laser beam to the raw material powder, which are run plural times. The raw material powder contains silicon carbide of 95 mol% or over. In the step of applying the laser beam to the raw material powder, the laser beam is applied in a manner that the silicon carbide powder is decomposed to silicon and carbon and the silicon or the carbon becomes a molten liquid.SELECTED DRAWING: None 【課題】炭化珪素を主成分とする物品を、粉末床溶融結合法により、高精度かつ、低コストで作製することを可能とする。【解決手段】炭化珪素を主成分とする物品の製造方法であって、原料粉末を敷設する工程と、前記原料粉末にレーザー光を照射する工程と、を複数回有しており、前記原料粉末が炭化珪素を９５ｍｏｌ％以上含み、前記原料粉末にレーザー光を照射する工程において、前記炭化珪素粉末が珪素と炭素に分解し、前記珪素または前記炭素が融液となるように前記レーザー光を照射することを特徴とする。【選択図】なし