JP7241367B2 - TiAl合金部材の製造方法及びTiAl合金部材の製造システム - Google Patents
TiAl合金部材の製造方法及びTiAl合金部材の製造システム Download PDFInfo
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- 229910010038 TiAl Inorganic materials 0.000 title claims description 119
- 229910045601 alloy Inorganic materials 0.000 title claims description 119
- 239000000956 alloy Substances 0.000 title claims description 119
- 238000004519 manufacturing process Methods 0.000 title claims description 56
- 238000000034 method Methods 0.000 title claims description 17
- 239000000843 powder Substances 0.000 claims description 83
- 238000010438 heat treatment Methods 0.000 claims description 60
- 238000000465 moulding Methods 0.000 claims description 49
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 230000009466 transformation Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 230000001678 irradiating effect Effects 0.000 claims description 8
- 238000005245 sintering Methods 0.000 claims description 8
- 238000010894 electron beam technology Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 239000012071 phase Substances 0.000 description 57
- 230000006866 deterioration Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 239000010936 titanium Substances 0.000 description 14
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 5
- 229910052719 titanium Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000010587 phase diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000790 scattering method Methods 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
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Description
次に、本実施形態の実施例について説明する。実施例では、ARCAM社製のEBM(Electron Beam Melting)方式の成形装置を用いて、次の成形条件で積層体を成形した。すなわち、成形条件としては、固化体となる粉末Pの周囲の粉末Pを加熱する加熱温度を1060℃とし、照射源部16に印加する印加電流を、0.5mA以上2.5mA以下にし、照射源部16に印加する印加電圧を60kVとし、粉末Pに当たる位置でのビームBのスポット径を15μmとし、移動距離Hを90μmとし、ビームBの走査速度を、0.1m/s以上7.6m/s以下とした。また、粉末Pは、Alが46.4原子%含有され、Nbが6.36原子%含有され、Crが0.57原子%含有され、Oが0.07原子%含有され、残部がTiであるものを用いた。また、粉末Pは、レーザ回折・散乱法によって求めた粒度分布が、45μm以上150μm以下であり、レーザ回折・散乱法によって求めた平均粒径が100μmのものを用いた。このような条件で積層された積層体に対し、実施例1では、設定温度Tを1300℃として1時間熱処理を行って、TiAl合金部材を製造した。
2 成形装置
4 熱処理装置
10 成形室
12 粉末供給部
14 ブレード
16 照射源部
18 照射部
20 制御部
50 加熱室
52 加熱部
B ビーム
L 積層体
M 部材
P 粉末
T 設定温度
Claims (7)
- TiAl合金の粉末にビームを照射することで前記粉末を溶融固化又は焼結させた固化体を積層して、ニアラメラ組織である積層体を成形する成形ステップと、
前記積層体を、α相への相変態が開始する温度以上である設定温度で加熱してTiAl合金部材を生成する熱処理ステップと、
を有する、TiAl合金部材の製造方法。 - 前記熱処理ステップにおいて、前記設定温度を、前記積層体がα相単相となる温度とする、請求項1に記載のTiAl合金部材の製造方法。
- 前記熱処理ステップにおいて、前記設定温度を、1300℃以上1500℃以下とする、請求項2に記載のTiAl合金部材の製造方法。
- 加熱した前記積層体を冷却する冷却ステップを更に有する、請求項1から請求項3のいずれか1項に記載のTiAl合金部材の製造方法。
- 前記成形ステップにおいて、前記ビームとして電子ビームを前記粉末に照射する、請求項1から請求項4のいずれか1項に記載のTiAl合金部材の製造方法。
- 前記成形ステップにおいて、
前記ビームの照射源部に印加する印加電圧を50kV以上70kV以下とし、
前記ビームの走査速度を0.1m/s以上5.0m/s以下とし、
前記固化体となる粉末の周囲の粉末を加熱する加熱温度を、前記粉末の融点に対して0.5倍以上0.8倍以下とする、請求項1から請求項5のいずれか1項に記載のTiAl合金部材の製造方法。 - TiAl基合金の粉末にビームを照射することで前記粉末を溶融固化又は焼結させた固化体を積層して、ニアラメラ組織である積層体を成形する成形装置と、
前記積層体を、α相への相変態が開始する温度以上である設定温度で加熱してTiAl合金部材を生成する熱処理装置と、
を有する、TiAl合金部材の製造システム。
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CN115446329B (zh) * | 2022-09-08 | 2024-04-19 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | 一种基于SLM技术的高强Ti-Al-V基合金3D打印制造方法 |
CN117680704A (zh) * | 2023-12-12 | 2024-03-12 | 武汉纺织大学 | 一种抑制激光增材制造β-γ型TiAl合金裂纹的方法 |
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JP4209092B2 (ja) | 2001-05-28 | 2009-01-14 | 三菱重工業株式会社 | TiAl基合金及びその製造方法並びにそれを用いた動翼 |
JP2007056340A (ja) * | 2005-08-25 | 2007-03-08 | Mitsubishi Heavy Ind Ltd | 耐熱性TiAl基合金部材の製造方法及び耐熱性TiAl基合金部材 |
CN103409711B (zh) * | 2013-08-26 | 2015-09-09 | 中南大学 | 一种具有细小全层片组织的TiAl基合金的制备方法 |
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CN108559872B (zh) * | 2018-06-05 | 2020-06-30 | 中国航发北京航空材料研究院 | 一种TiAl合金及其制备方法 |
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Title |
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新沢慶介ほか,電子ビーム積層造形法を用いて製作したTiAl基合金の熱処理における組織および機械特性変化,2016年(第158回)春期講演大会 日本金属学会講演概要集,2016年03月09日,p.98 |
趙研ほか,電子ビーム三次元積層造形法を用いて作製したTiAl合金の組織制御と力学特性改善,2017年(第161回)秋期講演大会 日本金属学会講演概要集,2017年08月23日,S1.37 |
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