JP2019527298A - 金属物体および使い捨て鋳型を使用して金属物体を製造する方法 - Google Patents
金属物体および使い捨て鋳型を使用して金属物体を製造する方法 Download PDFInfo
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Abstract
Description
熱溶解積層法(FDM)などの3D印刷技術を使用して、航空機エンジン部品用のプラスチック鋳型を作製した。金属粉末スラリー配合物(表1)を鋳型に導入した。
パターンとしてLEGO(登録商標)片を使用してシリコーン鋳型を作成した。金属粉末スラリー(表1)を鋳型に導入して、グリーン体を生成した。実施例1に記載の条件を用いてグリーン体を硬化させ、脱バインダーし、焼結させた。金属片の粒状構造を示す顕微鏡写真を図3に示し、最終製品の写真を図4に示す。特に、該プロセスが、成形された部品の非常に細かい細部を再現することができた(幅185.2 mの形状)ことを確認することができた。
Claims (25)
- 金属物体を製造する方法であって、
(a)犠牲型に金属粉末スラリーを導入することと、
(b)1つ以上の加熱工程を適用して、固体金属体を生成し、前記犠牲型を排除することと
を含む方法。 - 前記犠牲型が、100〜600℃の範囲の加熱によって取り除かれる、請求項1に記載の方法。
- 前記金属粉末スラリーが、バインダーおよび金属粉末を含む、請求項1に記載の方法。
- 前記金属粉末が金属合金粉末である、請求項3に記載の方法。
- 前記スラリーの全体積の50%超が金属粉末である、請求項1に記載の方法。
- 前記スラリーの全体積の65%超が金属粉末である、請求項1に記載の方法。
- 前記犠牲型が、窒素と酸素とを含む炭素を含まない雰囲気中で加熱することによって取り除かれる、請求項1に記載の方法。
- 請求項1に記載の方法であって、(i)グリーン体を生成し、前記グリーン体を硬化させることと、(ii)前記硬化したグリーン体を脱バインダーしてブラウン体を生成することと、(iii)前記ブラウン体を焼結して金属物体を作製することとをさらに含む方法。
- 前記硬化が、窒素下、50〜70℃の温度で6〜24時間加熱することを含む、請求項8に記載の方法。
- 前記硬化が、窒素下、55℃の温度で18時間加熱することを含む、請求項9に記載の方法。
- ブラウン体が、1000〜1600℃の範囲の温度で焼結される、請求項10に記載の方法。
- 請求項1に記載の方法であって、1つ以上の加熱工程の前記適用後に熱間等方加圧の少なくとも1つの工程をさらに含む方法。
- 金属物体を製造する方法であって、
(a)外壁を有する中空部品の3次元数値モデルを作成することと、
(b)前記数値モデルから、対応する合成外壁を有する前記部品の合成モデルを作成することと、
(c)前記合成モデルに金属粉末スラリーを導入することと、
(d)1つ以上の加熱工程を適用して固体金属体を生成することと、
(e)工程(d)の間または工程(d)の後に、前記合成モデルを取り除くことと
を含む方法。 - 前記鋳型が、300〜600℃の範囲の加熱によって取り除かれる、請求項13に記載の方法。
- 前記金属粉末スラリーが、バインダーおよび金属粉末を含む、請求項13に記載の方法。
- 前記金属粉末が金属合金粉末である、請求項15に記載の方法。
- 前記スラリーの全体積の50%超が金属粉末である、請求項13に記載の方法。
- 前記スラリーの全体積の65%超が金属粉末である、請求項13に記載の方法。
- 前記鋳型が、窒素と酸素とを含む炭素を含まない雰囲気中で加熱することによって取り除かれる、請求項13に記載の方法。
- 請求項13に記載の方法であって、(i)グリーン体を生成し、前記グリーン体を硬化させることと、(ii)前記硬化したグリーン体を脱バインダーしてブラウン体を生成することと、(iii)前記ブラウン体を焼結して金属物体を作製することとをさらに含む方法。
- 前記硬化が、窒素下、50〜70℃の温度で6〜24時間加熱することを含む、請求項20に記載の方法。
- 前記硬化が、窒素下、55℃の温度で18時間加熱することを含む、請求項21に記載の方法。
- ブラウン体が、1000〜1600℃の範囲の温度で焼結される、請求項13に記載の方法。
- 請求項13に記載の方法であって、1つ以上の加熱工程の前記適用後に熱間等方加圧の少なくとも1つの工程をさらに含む方法。
- 非直線的な内部空洞と、等方性および/または等軸の微細構造とを含む金属物体。
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Application Number | Priority Date | Filing Date | Title |
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US15/205,661 | 2016-07-08 | ||
US15/205,661 US20180009032A1 (en) | 2016-07-08 | 2016-07-08 | Metal objects and methods for making metal objects using disposable molds |
PCT/US2017/040800 WO2018009593A1 (en) | 2016-07-08 | 2017-07-06 | Metal objects and methods for making metal objects using disposable molds |
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JP2019527298A true JP2019527298A (ja) | 2019-09-26 |
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JP2019500360A Pending JP2019527298A (ja) | 2016-07-08 | 2017-07-06 | 金属物体および使い捨て鋳型を使用して金属物体を製造する方法 |
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US (1) | US20180009032A1 (ja) |
EP (1) | EP3481568A1 (ja) |
JP (1) | JP2019527298A (ja) |
CN (1) | CN109414762A (ja) |
CA (1) | CA3029062A1 (ja) |
WO (1) | WO2018009593A1 (ja) |
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US11643479B2 (en) * | 2016-12-05 | 2023-05-09 | Covestro Deutschland Ag | Method for producing an article by layer-by-layer buildup with separately patterned resin and initiator wherein the resin has a storage modulus greater than loss modulus at 20 C |
FR3067270B1 (fr) * | 2017-06-13 | 2021-12-24 | Safran | Procede de realisation d'une piece metallique par deliantage et frittage |
CN111629848A (zh) * | 2018-01-12 | 2020-09-04 | 弗劳恩霍夫应用研究促进协会 | 金属注射成型的方法 |
DE102018205588A1 (de) * | 2018-04-12 | 2019-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Herstellung eines gewendelten Körpers |
WO2019210285A2 (en) * | 2018-04-26 | 2019-10-31 | San Diego State University | Selective sintering-based fabrication of fully dense complex shaped parts |
JP7328999B2 (ja) * | 2018-06-18 | 2023-08-17 | ソルベイ スペシャルティ ポリマーズ ユーエスエー, エルエルシー | ポリ(アリールエーテルスルホン)(paes)ポリマーを使用する3次元物体の製造方法 |
GB201811899D0 (en) * | 2018-07-20 | 2018-09-05 | Univ Liverpool | Article and method |
DE102020127477A1 (de) * | 2019-10-21 | 2021-04-22 | Wdt-Wolz-Dental-Technik Gmbh | Verfahren zur Herstellung von Formteilen, insbesondere von Zahnersatz durch Hygroskopische, chemische, thermochemische und pyrolytisch zersetzbare Spritz- und/oder Kaltgussformen |
CN115135482A (zh) * | 2019-12-17 | 2022-09-30 | 提克纳有限责任公司 | 采用增韧聚芳硫醚组合物的三维打印系统 |
EP4106935A1 (en) * | 2020-02-21 | 2022-12-28 | Rovalma, S.A. | Method for the obtaining of cost effective geometrically complex pieces |
CN111483151A (zh) * | 2020-04-09 | 2020-08-04 | 沈阳沈飞机械设备制造厂 | 一种飞机零件铣切胎具的制备方法 |
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2016
- 2016-07-08 US US15/205,661 patent/US20180009032A1/en not_active Abandoned
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2017
- 2017-07-06 WO PCT/US2017/040800 patent/WO2018009593A1/en unknown
- 2017-07-06 CA CA3029062A patent/CA3029062A1/en not_active Abandoned
- 2017-07-06 CN CN201780042598.2A patent/CN109414762A/zh active Pending
- 2017-07-06 EP EP17746220.7A patent/EP3481568A1/en not_active Withdrawn
- 2017-07-06 JP JP2019500360A patent/JP2019527298A/ja active Pending
Patent Citations (3)
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JPH07197104A (ja) * | 1994-01-10 | 1995-08-01 | Janome Sewing Mach Co Ltd | 精密粉末焼結品の製造方法 |
JP2004307961A (ja) * | 2003-04-09 | 2004-11-04 | Taisei Kogyo Kk | 粉体焼結成形体の製造方法、粉体射出成形体、粉体射出成形体の製造方法、粉体射出成形体及び粉体射出成形用金型装置 |
US20120193841A1 (en) * | 2011-01-28 | 2012-08-02 | Hsin-Pang Wang | Three-dimensional powder molding |
Also Published As
Publication number | Publication date |
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US20180009032A1 (en) | 2018-01-11 |
EP3481568A1 (en) | 2019-05-15 |
CA3029062A1 (en) | 2018-01-11 |
WO2018009593A1 (en) | 2018-01-11 |
CN109414762A (zh) | 2019-03-01 |
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