JPWO2022190601A5 - - Google Patents
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- JPWO2022190601A5 JPWO2022190601A5 JP2022524725A JP2022524725A JPWO2022190601A5 JP WO2022190601 A5 JPWO2022190601 A5 JP WO2022190601A5 JP 2022524725 A JP2022524725 A JP 2022524725A JP 2022524725 A JP2022524725 A JP 2022524725A JP WO2022190601 A5 JPWO2022190601 A5 JP WO2022190601A5
- Authority
- JP
- Japan
- Prior art keywords
- titanium
- producing
- core material
- mold
- based compact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 15
- 229910052719 titanium Inorganic materials 0.000 claims 15
- 239000010936 titanium Substances 0.000 claims 15
- 239000011162 core material Substances 0.000 claims 14
- 238000004519 manufacturing process Methods 0.000 claims 11
- 239000000463 material Substances 0.000 claims 6
- 239000000843 powder Substances 0.000 claims 4
- 229920005989 resin Polymers 0.000 claims 3
- 239000011347 resin Substances 0.000 claims 3
- 239000000470 constituent Substances 0.000 claims 2
- 238000000465 moulding Methods 0.000 claims 2
- 239000002994 raw material Substances 0.000 claims 2
- 239000004927 clay Substances 0.000 claims 1
- 238000009694 cold isostatic pressing Methods 0.000 claims 1
- 230000002706 hydrostatic effect Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000005245 sintering Methods 0.000 claims 1
- 239000002344 surface layer Substances 0.000 claims 1
- 229920005992 thermoplastic resin Polymers 0.000 claims 1
Claims (8)
前記チタン系圧粉体の前記凹部が、当該凹部の中心軸の少なくとも一部を含む断面の一つ以上にて、当該凹部の中心軸方向の少なくとも一部で幅が変化する形状、並びに／あるいは、当該凹部の中心軸の湾曲部分及び／又は屈曲部分を含む形状を有し、
樹脂製のモールドにおける前記凹部に対応する芯材配置スペース内に、芯材構成材料を流動させて充填し、前記凹部に対応する形状の芯材を配置する工程と、
前記モールドの成形空間に原料粉末を充填する工程と、
前記芯材配置スペース内に前記芯材が配置された状態で、前記成形空間に前記原料粉末を充填した前記モールドに対して３００ＭＰａ以上の静水圧加圧にて冷間等方圧加圧を行う工程とを含み、
前記芯材構成材料として、硬化樹脂または粘土を用いる、チタン系圧粉体の製造方法。 A method for producing a titanium-based compact having recesses, comprising:
The concave portion of the titanium-based compact has a shape in which the width changes in at least part of the central axis direction of the concave portion in one or more cross sections including at least part of the central axis of the concave portion, and/or , having a shape including a curved portion and/or a bent portion of the central axis of the recess,
A step of filling a core material arranging space corresponding to the recess in a resin mold by flowing a material constituting the core, and arranging a core material having a shape corresponding to the recess;
filling the molding space of the mold with raw material powder;
In a state where the core material is arranged in the core material arrangement space, the mold filled with the raw material powder in the molding space is subjected to cold isostatic pressurization with a hydrostatic pressure of 300 MPa or more. and
A method for producing a titanium-based powder compact using a hardened resin or clay as the core constituent material .
前記芯材配置スペースが段差を含む、請求項１に記載のチタン系圧粉体の製造方法。 the inner surface of the recessed portion of the titanium-based compact includes a stepped portion,
2. The method for producing a titanium-based compact according to claim 1, wherein said core material placement space includes a step.
前記芯材配置スペースが、前記凹部の前記広幅部を形成する広幅箇所と、前記凹部の前記狭幅部を形成する狭幅箇所とを有する、請求項１又は２に記載のチタン系圧粉体の製造方法。 wherein the recessed portion of the titanium-based green powder includes a wide portion having a relatively wide width and a narrow portion having a relatively narrow width with respect to the wide portion in at least one of the cross sections;
3. The titanium-based compact according to claim 1, wherein the core material arrangement space has a wide portion forming the wide portion of the recess and a narrow portion forming the narrow portion of the recess. manufacturing method.
前記芯材構成材料を前記芯材配置スペース内に充填したとき、芯材構成材料の少なくとも、芯材構成材料の注入に用いられた芯材配置スペースの一端側の開口又は他端側の開口に存在する表層部分を硬化させる、請求項１～３のいずれか一項に記載のチタン系圧粉体の製造方法。 using the cured resin as the core constituent material,
When the core material constituting material is filled in the core material arranging space, at least the core material composing material fills the opening on the one end side or the opening on the other end side of the core material arranging space used for injecting the core material composing material. The method for producing a titanium-based compact according to any one of claims 1 to 3 , wherein the existing surface layer portion is hardened.
請求項１～７のいずれか一項に記載のチタン系圧粉体の製造方法により製造されたチタン系圧粉体に対し、焼結及び／又は熱間等方圧加圧を行う工程を含む、チタン系焼結体の製造方法。 A method for producing a titanium-based sintered body, comprising:
A step of sintering and/or hot isostatically pressing the titanium-based compact produced by the method for producing a titanium-based compact according to any one of claims 1 to 7 . , a method for producing a titanium-based sintered body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021040624 | 2021-03-12 | ||
| JP2021040624 | 2021-03-12 | ||
| PCT/JP2022/000148 WO2022190601A1 (en) | 2021-03-12 | 2022-01-05 | Titanium green compact production method and titanium sintered body production method |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2022190601A1 JPWO2022190601A1 (en) | 2022-09-15 |
| JP7177302B1 JP7177302B1 (en) | 2022-11-22 |
| JPWO2022190601A5 true JPWO2022190601A5 (en) | 2023-02-07 |
Family
ID=83226613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022524725A Active JP7177302B1 (en) | 2021-03-12 | 2022-01-05 | Method for producing titanium-based green compact and method for producing titanium-based sintered compact |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7177302B1 (en) |
| WO (1) | WO2022190601A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163399A (en) * | 1984-09-05 | 1986-04-01 | Hitachi Ltd | Thin wall pipe forming method utilizing powder |
| JPH06330104A (en) * | 1993-05-21 | 1994-11-29 | Toyota Central Res & Dev Lab Inc | Production of core for production member having hollow part and production of member having hollow part |
| JPH0790313A (en) * | 1993-09-21 | 1995-04-04 | Nippon Steel Corp | Hydrostatic press forming method of titanium powder |
| JP6313254B2 (en) * | 2015-03-18 | 2018-04-18 | 株式会社東芝 | 3D modeling method |
| JP6912586B2 (en) * | 2017-09-14 | 2021-08-04 | 東邦チタニウム株式会社 | Manufacturing method of titanium or titanium alloy green compact |
| JP6866491B2 (en) * | 2017-09-14 | 2021-04-28 | 東邦チタニウム株式会社 | Manufacturing method of titanium or titanium alloy green compact |
| JP7002316B2 (en) * | 2017-12-19 | 2022-01-20 | 東邦チタニウム株式会社 | Manufacturing method of titanium or titanium alloy green compact |
| GB201811430D0 (en) * | 2018-07-12 | 2018-08-29 | Rolls Royce Plc | Fabricating hollow components |
-
2022
- 2022-01-05 WO PCT/JP2022/000148 patent/WO2022190601A1/en active Application Filing
- 2022-01-05 JP JP2022524725A patent/JP7177302B1/en active Active
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