JP2019516014A - アルミニウム、コバルト、ニッケル及びチタンのfcc材料並びにそれから製造される生成物 - Google Patents
アルミニウム、コバルト、ニッケル及びチタンのfcc材料並びにそれから製造される生成物 Download PDFInfo
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Abstract
Description
付加製造により、上記の新規材料を製造することもまた可能である。本発明で使用する場合、「付加製造」とは、ASTM F2792−12a、表題:「Standard Terminology for Additively Manufacturing Technologies」に記載のとおり、「減法的な製造方法論とは対照的に、通常、何重にも重ねて材料を接合して、3Dモデルデータから対象物を作製するプロセス」である。このASTM規格に記載されている、とりわけ結合剤噴霧、指向性エネルギー堆積、材料の押出成形、材料の噴霧、粉末層の融着、又は薄板積層などの、任意の適切な付加製造技術を介して、本新規材料を製造してよい。
上記の開示は、一般に、その内部に析出相(複数)を有するfcc材料を生成する方法について記載している一方、fcc固溶体構造から本質的になる材料を生成することもまた、可能である。例えば、前述したように、インゴット、鍛錬体、形鋼鋳造、又は付加製造体を生成した後、例えば溶解工程(20)に対して記載された上記の方法により、本材料を均質化してよい。適切な急冷により、あらゆる第二相粒子の析出を抑制/制限してよく、それにより、いずれの第二相粒子をも本質的に含まないfcc固溶体材料、即ち、fcc固溶体構造から本質的になる材料を実現する。
Claims (34)
- 2.1〜8.4重量%のAlと、
4.6〜89.6重量%のCoと、
4.6〜89.6重量%のNiと、
3.7〜9.7重量%のTi、及び
いずれの任意の不定要素及び不純物である残部と、からなる組成物。 - 前記不定要素が、0.15重量%までのC、0.15重量%までのB、0.5重量%までのHf及び0.5重量%までのZrを含む、請求項1に記載の組成物。
- 4.7〜60.6重量%のCo、29.6〜89.3重量%のNi、及び3.9〜9.4重量%のTiを含む、請求項1に記載の組成物。
- 2.1〜5.4重量%のAl、4.7〜41.3重量%のCo、及び47.9〜89.3重量%のNiを含む、請求項3に記載の組成物。
- 4.7〜28.9重量%のCo、及び56.5〜89.3重量%のNiを含む、請求項4に記載の組成物。
- 2.4〜7.6重量%のAl、5.2〜55.1重量%のCo、32.9〜88.1重量%のNi、及び4.3〜8.6重量%のTiを含む、請求項1に記載の組成物。
- 2.4〜4.9重量%のAl、5.2〜37.5%のCo、及び53.3〜88.1重量%のNiを含む、請求項6に記載の組成物。
- 5.2〜26.3%のCo、及び62.7〜85.4重量%のNiを含む、請求項7に記載の組成物。
- 請求項1〜8に記載の組成物のいずれかからなる合金体。
- 航空宇宙用又は自動車用の構成部品の形態である、請求項9に記載の合金体。
- 前記航空宇宙用又は自動車用の構成部品がタービンである、請求項10に記載の航空宇宙用構成部品。
- 密度、延性、強度、破壊靭性、耐酸化性、耐疲労性、耐クリープ性、及び高温耐熱性のうち、少なくとも2つの向上した組み合わせからなる、請求項9に記載の合金体。
- インゴットの形態である、請求項9に記載の合金体。
- 圧延加工品の形態である、請求項9に記載の合金体。
- 押出加工品の形態である、請求項9に記載の合金体。
- 鍛造品の形態である、請求項9に記載の合金体。
- 形鋼鋳造品の形態である、請求項9に記載の合金体。
- 付加製造製品の形態である、請求項9に記載の合金体。
- (a)
2.1〜8.4重量%のAlと、
4.6〜89.6重量%のCoと、
4.6〜89.6重量%のNi、及び
3.7〜9.7重量%のTiと、を含む供給原料を、付加製造装置内で使用すること、
(b)前記供給原料を用いて、前記付加製造装置内で金属生成物を製造すること、からなる、方法。 - 前記供給原料が粉末供給原料からなり、
(a)前記粉末供給原料の金属粉末を層に分散させること、及び/又は前記粉末供給原料の金属粉末を基材に向けて、又は基材上に吹付けること、
(b)前記金属粉末の一部を、その液相線温度超にて選択的に加熱し、それにより、溶融池を形成すること、
(c)前記溶融池を冷却し、それにより、前記金属生成物の一部を形成し、前記冷却が、少なくとも毎秒100℃の冷却速度での冷却からなること、及び
(d)前記金属生成物が完成するまで工程(a)〜(c)を繰り返し、前記金属生成物が金属マトリックスを含み、前記Al、Co、Ni、及びTiがマトリックスを構成すること、からなる、請求項19に記載の方法。 - 前記加熱が放射線源による加熱からなり、かつ前記冷却速度が少なくとも毎秒1000℃である、請求項20に記載の方法。
- 前記供給原料が金属線供給原料を含み、
(a)放射線源を用いて前記金属線供給原料をその液相線点超にて加熱し、それにより、溶融池を生成し、前記溶融池がAl、Co、Ni、及びTiからなり、
(b)少なくとも毎秒1000℃の冷却速度にて前記溶融池を冷却すること、及び
(c)前記金属生成物が完成するまで工程(a)〜(b)を繰り返し、前記金属生成物が金属マトリックスを含み、前記Al、Co、Ni、及びTiがマトリックスを構成すること、からなる、請求項19に記載の方法。 - 前記冷却速度が、少なくとも1つの析出相を形成するのに十分であることを含む、請求項20〜22のいずれか一項に記載の方法。
- 前記少なくとも1つの析出相が、L12、Ni3、Ti、及びB2のうち少なくとも1つを含む、請求項23に記載の方法。
- 前記金属生成物が、少なくとも0.5容積%の前記析出相を含む、請求項23〜24のいずれか一項に記載の方法。
- 前記付加製造装置が、結合剤噴霧装置を備える、請求項19に記載の方法。
- 前記付加製造装置が、指向性エネルギー堆積装置である、請求項19に記載の方法。
- 前記指向性エネルギー堆積装置が、電子ビーム装置又はプラズマアーク装置を備える、請求項27に記載の方法。
- 前記金属生成物を加工することを含む、請求項19に記載の方法。
- 前記金属生成物が最終付加製造体であり、かつ前記加工が前記最終付加製造体の加工である、請求項29に記載の方法。
- 第1生成工程が、前記供給原料を使用して前記金属生成物の一部を生成し、
第2生成工程が、前記供給原料を使用して前記金属生成物の別の一部を生成し、
少なくとも前記第1又は第2生成工程の後に前記加工が発生することを、前記生成工程が含む、請求項29に記載の方法。 - 前記加工が、前記第1生成工程と前記第2生成工程との間で発生する、請求項31に記載の方法。
- 前記加工が、熱間静水圧圧縮成形を含む、請求項29〜32のいずれか一項に記載の方法。
- 前記加工が、1種以上の圧延加工、鍛造、及び押出成形を含む、請求項29〜32のいずれか一項に記載の方法。
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US4613480A (en) * | 1985-10-03 | 1986-09-23 | General Electric Company | Tri-nickel aluminide composition processing to increase strength |
AU2663797A (en) * | 1996-04-10 | 1997-10-29 | Penn State Research Foundation, The | Improved superalloys with improved oxidation resistance and weldability |
US20110268989A1 (en) * | 2010-04-29 | 2011-11-03 | General Electric Company | Cobalt-nickel superalloys, and related articles |
EP2778241B1 (en) * | 2011-12-15 | 2017-08-30 | National Institute for Materials Science | Heat-resistant nickel-based superalloy |
WO2014025432A2 (en) * | 2012-05-11 | 2014-02-13 | Siemens Energy, Inc. | Laser additive repairing of nickel base superalloy components |
EP2700459B1 (en) * | 2012-08-21 | 2019-10-02 | Ansaldo Energia IP UK Limited | Method for manufacturing a three-dimensional article |
US9605565B2 (en) * | 2014-06-18 | 2017-03-28 | Ut-Battelle, Llc | Low-cost Fe—Ni—Cr alloys for high temperature valve applications |
DE102014220179A1 (de) * | 2014-10-06 | 2016-04-07 | Siemens Aktiengesellschaft | Nickelbasierter Werkstoff mit Platin, Verwendung als Schweißzusatzwerkstoff und Bauteil |
-
2017
- 2017-04-19 WO PCT/US2017/028383 patent/WO2017184745A1/en active Application Filing
- 2017-04-19 CN CN201780022931.3A patent/CN109072348A/zh active Pending
- 2017-04-19 EP EP17786564.9A patent/EP3445882A4/en not_active Withdrawn
- 2017-04-19 CA CA3016723A patent/CA3016723A1/en not_active Abandoned
- 2017-04-19 KR KR1020187030417A patent/KR20180118798A/ko not_active Application Discontinuation
- 2017-04-19 JP JP2018552225A patent/JP2019516014A/ja active Pending
- 2017-04-20 US US15/492,723 patent/US20170306457A1/en not_active Abandoned
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CA3016723A1 (en) | 2017-10-26 |
EP3445882A4 (en) | 2019-11-13 |
EP3445882A1 (en) | 2019-02-27 |
CN109072348A (zh) | 2018-12-21 |
US20170306457A1 (en) | 2017-10-26 |
KR20180118798A (ko) | 2018-10-31 |
WO2017184745A1 (en) | 2017-10-26 |
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