JP7159172B2 - 金属性構築材料粒状物 - Google Patents
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Description
Claims (14)
- パターン化流体を用いる3次元(3D)印刷用金属性構築材料粒状物であって:
各々が1μmから20μmの範囲の一次金属粒子径を有する複数の一次金属粒子、ここで一次金属粒子は非形状記憶金属粒子であり、構築材料粒状物は形状記憶金属粒子を含まず;および
複数の一次金属粒子を一体に凝集させる一時的バインダーを含み、ここで一時的バインダーは、金属性構築材料粒状物を一次金属粒子のスラリーへと崩壊させるために少なくとも部分的にパターン化流体に溶解する、
各々が10μmから200μmの範囲の粒子径を有する金属性構築材料粒状物。 - 一時的バインダーの量が、粒状物中の複数の一次金属粒子の重量%に基づいて、0.01重量%から4.0重量%の範囲にある、請求項1に規定の3次元(3D)印刷用金属性構築材料粒状物。
- 一時的バインダーが、ポリアクリレート、糖、糖アルコール、糖ポリマーまたはオリゴマー、ポリカルボン酸、ポリスルホン酸、カルボキシルまたはスルホン部分を含有する水溶性ポリマー、ポリエーテル、ポリビニルピロリドン、ポリエーテルアルコキシシラン、およびこれらの組み合わせからなる群より選択され;そして
非形状記憶金属粒子が、鉄、ステンレス鋼、鋼鉄、銅、ブロンズ、アルミニウム、タングステン、モリブデン、銀、金、白金、チタン、ニッケル、コバルト、これらの金属のいずれかの非形状記憶合金、およびこれらの組み合わせからなる群より選択される、請求項1または2に規定の金属性構築材料粒状物。 - 3次元(3D)印刷方法であって:
各々が10μmから200μmの範囲の粒子径を有する金属性構築材料粒状物を適用し、金属性構築材料粒状物の各々がパターン化流体に少なくとも部分的に可溶な一時的バインダーによって一体に凝集された、各々が1μmから20μmの範囲の一次金属粒子径を有する複数の一次金属粒子からなり;そして
パターン化流体を金属性構築材料粒状物の少なくとも一部上に選択的に適用して一時的バインダーを溶解させてパターン化グリーン部品の層を形成し、この層が金属性構築材料粒状物から崩壊した一次金属粒子のスラリーを含有することを含む方法。 - 一時的バインダーが、ポリアクリレート、糖、糖アルコール、糖ポリマーまたはオリゴマー、ポリカルボン酸、ポリスルホン酸、カルボキシルまたはスルホン部分を含有する水溶性ポリマー、ポリエーテル、ポリビニルピロリドン、ポリエーテルアルコキシシラン、およびこれらの組み合わせからなる群より選択される、請求項4に規定の方法。
- 一時的バインダーが、ポリアクリレート、糖、糖アルコール、糖ポリマーまたはオリゴマー、ポリカルボン酸、ポリスルホン酸、カルボキシルまたはスルホン部分を含有する水溶性ポリマー、ポリエーテル、ポリビニルピロリドン、ポリエーテルアルコキシシラン、およびこれらの組み合わせからなる群より選択され;
一次金属粒子が、鉄、ステンレス鋼、鋼鉄、銅、ブロンズ、アルミニウム、タングステン、モリブデン、銀、金、白金、チタン、ニッケル、コバルト、これらの金属のいずれかの非形状記憶合金、およびこれらの組み合わせからなる群より選択される非形状記憶金属粒子であり;そして
一時的バインダーが、一次金属粒子の重量%に基づいて、0.01重量%から4.0重量%の範囲の量で存在する、請求項4または5に規定の方法。 - 金属性構築材料粒状物の適用およびパターン化流体の選択的適用を繰り返してパターン化グリーン部品を生成し;そして
パターン化グリーン部品を加熱して一次金属粒子を焼結して金属部品を形成することをさらに含み、ここでパターン化グリーン部品を加熱することが:
パターン化グリーン部品を稠密化温度に加熱して稠密化グリーン部品を生成し;
稠密化グリーン部品を一時的バインダーの熱分解温度に加熱して一時的バインダーを除去し、少なくとも実質的にバインダーを含まないグレー部品を生成し;そして
少なくとも実質的にバインダーを含まないグレー部品を焼結温度に加熱して一次金属粒子を焼結して金属部品を形成することを含む、請求項4から6のいずれかに規定の方法。 - 稠密化温度が50℃から250℃の範囲にあり;
熱分解温度が250℃から600℃の範囲にあり;そして
焼結温度が600℃から1800℃の範囲にある、請求項7に規定の方法。 - 焼結温度が一次金属粒子の固相線温度未満であり、そして少なくとも実質的にバインダーを含まないグレー部品を焼結温度に加熱することが3時間未満または3時間の焼結期間にわたって行われる、請求項7または8に規定の方法。
- 金属性構築材料粒状物の適用、パターン化流体の選択的適用、金属性構築材料粒状物の適用およびパターン化流体の選択的適用の繰り返し、およびパターン化グリーン部品の稠密化温度への加熱が構築領域プラットフォーム上で達成され;そして
パターン化グリーン部品を稠密化温度に加熱した後、方法がさらに:
稠密化グリーン部品を構築領域プラットフォームから取り出し;そして
稠密化グリーン部品を加熱機構内に置くことを含む、請求項7から9のいずれかに規定の方法。 - 稠密化グリーン部品を熱分解温度に加熱すること、および少なくとも実質的にバインダーを含まないグレー部品を焼結温度に加熱することが、不活性ガス、低反応性ガス、還元性ガス、またはこれらの組み合わせを含有する環境下に達成される、請求項7から10のいずれかに規定の方法。
- 金属性構築材料粒状物を適用するに先立って、方法がさらに:
一次金属粒子を一時的バインダーを含有する混合物中に分散し;そして
分散された一次金属粒子を含有する混合物を噴霧乾燥して金属性構築材料粒状物を生成することを含む、請求項4から11のいずれかに規定の方法。 - パターン化流体が水からなる、請求項4から12のいずれかに規定の方法。
- 各々が10μmから200μmの範囲の粒子径を有する金属性構築材料粒状物の供給物;
構築材料分配器;
パターン化流体の供給物;
パターン化流体を選択的に分配するアプリケータ;
コントローラ;および
非一時的なコンピュータ可読媒体を含む、3次元(3D)印刷システムであって:
金属性構築材料粒状物の各々はパターン化流体に少なくとも部分的に可溶な一時的バインダーによって一体に凝集された各々が1μmから20μmの範囲の一次金属粒子径を有する複数の一次金属粒子からなり、
非一時的なコンピュータ可読媒体はコントローラに、構築材料分配器を使用して金属性構築材料粒状物を分配させ;そしてアプリケータを使用してパターン化流体を金属性構築材料粒状物の少なくとも一部の上に、一次的バインダーを溶解させてパターン化グリーン部品の層を形成するために、選択的に分配させる、コンピュータが実行可能な命令を格納しており、
パターン化グリーン部品の層は金属性構築材料粒状物から崩壊した一次金属粒子のスラリーを含有する、システム。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US2017/030209 WO2018199995A1 (en) | 2017-04-28 | 2017-04-28 | Metallic build material granules |
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| Publication Number | Publication Date |
|---|---|
| JP2020505512A JP2020505512A (ja) | 2020-02-20 |
| JP7159172B2 true JP7159172B2 (ja) | 2022-10-24 |
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| JP2019539170A Active JP7159172B2 (ja) | 2017-04-28 | 2017-04-28 | 金属性構築材料粒状物 |
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| US (1) | US11673330B2 (ja) |
| EP (1) | EP3548209A4 (ja) |
| JP (1) | JP7159172B2 (ja) |
| CN (1) | CN110248751A (ja) |
| WO (1) | WO2018199995A1 (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018199995A1 (en) | 2017-04-28 | 2018-11-01 | Hewlett-Packard Development Company, L.P. | Metallic build material granules |
| US11759863B2 (en) | 2017-10-30 | 2023-09-19 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| IT201800011075A1 (it) * | 2018-12-13 | 2020-06-13 | Bosch Gmbh Robert | Metodo per la produzione di almeno un componente di un gruppo di pompaggio |
| WO2020190268A1 (en) | 2019-03-15 | 2020-09-24 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
| JP7347044B2 (ja) * | 2019-09-10 | 2023-09-20 | セイコーエプソン株式会社 | 積層造形用粉末、積層造形体、積層造形体の製造方法および金属焼結体の製造方法 |
| WO2021113768A1 (en) * | 2019-12-04 | 2021-06-10 | Mantle Inc. | Furnace system and method of use |
| CN111842890B (zh) * | 2020-06-30 | 2021-11-16 | 中南大学 | 一种3d打印专用高强7系铝基复合材料及其制备方法 |
| US20220127200A1 (en) * | 2020-10-22 | 2022-04-28 | Palo Alto Research Center Incorporated | Materials for selective sintering of cohesive feedstocks |
| US20220143695A1 (en) * | 2020-11-10 | 2022-05-12 | Palo Alto Research Center Incorporated | Pattern-wise deposition of anti-sintering agents via surface energy modulation for 3d printing |
| JP7622459B2 (ja) * | 2021-02-10 | 2025-01-28 | セイコーエプソン株式会社 | 積層造形用粉末、積層造形用粉末の製造方法、積層造形体および金属焼結体 |
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| WO2018199995A1 (en) | 2018-11-01 |
| EP3548209A1 (en) | 2019-10-09 |
| EP3548209A4 (en) | 2020-04-29 |
| JP2020505512A (ja) | 2020-02-20 |
| US11673330B2 (en) | 2023-06-13 |
| CN110248751A (zh) | 2019-09-17 |
| US20210197257A1 (en) | 2021-07-01 |
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