JP2019084824A5 - - Google Patents

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JP2019084824A5
JP2019084824A5 JP2018206036A JP2018206036A JP2019084824A5 JP 2019084824 A5 JP2019084824 A5 JP 2019084824A5 JP 2018206036 A JP2018206036 A JP 2018206036A JP 2018206036 A JP2018206036 A JP 2018206036A JP 2019084824 A5 JP2019084824 A5 JP 2019084824A5
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powder
ceramic
ceramic molding
oxide
shaping
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JP2018206036A
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JP7256630B2 (en
JP2019084824A (en
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Claims (17)

レーザー光の照射により粉体を熔融させた後に凝固させて構造物を得るためのセラミックス造形用粉体であって、
前記セラミックス造形用粉体は、熔融して固化する際に共晶を精製し得る複数種類の無機化合物粒子を含んでおり、
前記セラミックス造形用粉体に含まれる無機化合物粒子の表面に、前記レーザー光の波長に重なる吸収帯を有する有機化合物が付着していることを特徴とするセラミックス造形用粉体。 It is a powder for ceramic molding for melting powder by irradiation with laser light and then solidifying it to obtain a structure.
The ceramic molding powder contains a plurality of types of inorganic compound particles capable of purifying eutectics when melted and solidified.
Wherein the surface of the inorganic compound particles contained in the ceramic molding for powder, ceramics shaping the powder, wherein the organic compound is adhered with an absorption band that overlaps the wavelength of the laser light. 前記無機化合物粒子が、金属酸化物を主成分とすることを特徴とする、請求項１に記載のセラミックス造形用粉体。 The powder for ceramic molding according to claim 1, wherein the inorganic compound particles contain a metal oxide as a main component. 酸化アルミニウムと酸化ジルコニウムとを含有することを特徴とする、請求項１または２に記載のセラミックス造形用粉体。 Characterized in that it contains an acid aluminum oxide and zirconium oxide, ceramics shaping powder according to claim 1 or 2. さらに希土類金属酸化物を含有することを特徴とする、請求項３に記載のセラミックス造形用粉体。 Characterized in that it contains a rare earth metal oxide et al is, ceramics shaping powder of claim 3. 酸化アルミニウムと希土類金属酸化物とを含有することを特徴とする、請求項１または２に記載のセラミックス造形用粉体。The powder for ceramic molding according to claim 1 or 2, which contains aluminum oxide and a rare earth metal oxide. 酸化ガドリニウムと希土類金属酸化物とを含有することを特徴とする、請求項１または２に記載のセラミックス造形用粉体。The powder for ceramic molding according to claim 1 or 2, which contains gadolinium oxide and a rare earth metal oxide. 前記希土類金属酸化物が、酸化ガドリニウムまたは酸化イットリウムであることを特徴とする、請求項４から６のいずれか一項に記載のセラミックス造形用粉体。The powder for ceramic molding according to any one of claims 4 to 6, wherein the rare earth metal oxide is gadolinium oxide or yttrium oxide. 前記レーザー光の波長が、７００ｎｍから１２００ｎｍの範囲にあることを特徴とする、請求項１から７のいずれか一項に記載のセラミックス造形用粉体。 The powder for ceramic molding according to any one of claims 1 to 7 , wherein the wavelength of the laser beam is in the range of 700 nm to 1200 nm. 前記有機化合物が、前記無機化合物粒子の０．１質量％以上１０質量％以下含まれていることを特徴とする、請求項１から８のいずれか一項に記載のセラミックス造形用粉体。 The powder for ceramic molding according to any one of claims 1 to 8 , wherein the organic compound is contained in an amount of 0.1% by mass or more and 10% by mass or less of the inorganic compound particles. 前記有機化合物が、ジイモニウム系化合物またはシアニン色素を含有することを特徴とする、請求項１から９のいずれか一項に記載のセラミックス造形用粉体。 The powder for ceramic molding according to any one of claims 1 to 9 , wherein the organic compound contains a diimonium-based compound or a cyanine dye. 前記有機化合物が、高分子化合物中に分散した状態で、前記無機化合物粒子の表面に付着していることを特徴とする、請求項１から１０のいずれか一項に記載のセラミックス造形用粉体。 Before SL organic compound, in a state of being dispersed in a polymer compound, characterized in that it adhered to the surface of the inorganic compound particles, ceramics shaping according to any one of claims 1 to 10 powder. 前記高分子化合物が、ポリビニルブチラール、ポリビニルアルコール、ポリメタクリル酸メチル、ポリスチレンからなる群より選択されるいずれか１種を含むことを特徴とする、請求項１１に記載のセラミックス造形用粉体。The powder for ceramic molding according to claim 11, wherein the polymer compound contains any one selected from the group consisting of polyvinyl butyral, polyvinyl alcohol, polymethyl methacrylate, and polystyrene. 平均粒子径が５μｍから１００μｍであることを特徴とする、請求項１から１２のいずれか一項に記載のセラミックス造形用粉体。 Wherein the average particle diameter is 100μm from 5 [mu] m, ceramics shaping powder according to any one of claims 1 to 12. 請求項１から１３のいずれか一項に記載のセラミックス造形用粉体に、前記有機化合物の吸収帯と波長が重なるレーザー光を照射して、前記セラミックス造形用粉体を熔融させた後に凝固させて共晶を生成させることを特徴とするセラミックス構造物の製造方法。 Ceramic shaping powder according to any one of claims 1 to 13, by irradiating a laser light absorption band and the wavelength of the organic compound overlaps, the ceramic shaping powder After熔fusion method for producing coagulated by eutectic to Rousset La mix structure and wherein Rukoto to generate. 前記レーザー光の波長が、７００ｎｍから１２００ｎｍの範囲にあることを特徴とする、請求項１４に記載のセラミックス構造物の製造方法。 The method for manufacturing a ceramic structure according to claim 14 , wherein the wavelength of the laser beam is in the range of 700 nm to 1200 nm. 前記レーザー光のビーム径が１０μｍ以上２００μｍ以下であることを特徴とする、請求項１４または１５に記載のセラミックス構造物の製造方法。 Wherein the beam diameter of the laser light is 10μm or more 200μm or less, the production method of a ceramic structure according to claim 14 or 15. 前記セラミックス造形用粉体を所定の厚さに敷き詰めて粉体層を形成する工程と、The process of spreading the ceramic molding powder to a predetermined thickness to form a powder layer, and
前記粉体層の所定の領域にレーザー光を照射する工程と、 The step of irradiating a predetermined area of the powder layer with a laser beam and
を含むことを特徴とする、請求項１４から１６のいずれか一項に記載のセラミックス構造物の製造方法。The method for producing a ceramic structure according to any one of claims 14 to 16, wherein the method comprises.
JP2018206036A 2017-11-08 2018-10-31 Ceramic molding powder and ceramic molding method using the same Active JP7256630B2 (en)

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EP3950642A4 (en) * 2019-03-26 2022-06-01 Panasonic Intellectual Property Management Co., Ltd. Composite member, and heat generation device, building member and light emitting device, each of which uses same
KR102414881B1 (en) * 2020-01-31 2022-06-30 한양대학교 산학협력단 Ceramic paste for light sintering and light sintering method of ceramics
CN112441834B (en) * 2020-11-22 2022-08-02 西北工业大学 Selective laser melting for preparing Al 2 O 3 -GdAlO 3 -ZrO 2 Method for preparing ternary eutectic ceramics
CN116332636B (en) * 2023-03-29 2024-04-02 常州大学 Special material for carbon-doped bismuth oxide powder injection molding and method for preparing bismuth oxide ceramic by laser irradiation sintering

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