Method and assembly for forming components having an internal passage defined therein
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B22C-009/10
B22C-009/24
B22D-025/02
B33Y-010/00
B33Y-080/00
B23K-026/342
B22C-001/00
B22D-021/02
B22F-003/105
B33Y-070/00
B22F-005/00
B22F-005/04
출원번호
US-0972440
(2015-12-17)
등록번호
US-10137499
(2018-11-27)
발명자
/ 주소
Moricca, Timothy Michael
Rutkowski, Stephen Francis
Simpson, Stanley Frank
Moroso, Joseph Leonard
출원인 / 주소
General Electric Company
대리인 / 주소
Armstrong Teasdale LLP
인용정보
피인용 횟수 :
0인용 특허 :
219
초록▼
A method of forming a component having an internal passage defined therein is provided. The method includes positioning a jacketed core with respect to a mold. The jacketed core includes a hollow structure formed at least partially by an additive manufacturing process, and an inner core disposed wit
A method of forming a component having an internal passage defined therein is provided. The method includes positioning a jacketed core with respect to a mold. The jacketed core includes a hollow structure formed at least partially by an additive manufacturing process, and an inner core disposed within the hollow structure. The method also includes introducing a component material in a molten state into a cavity of the mold, and cooling the component material in the cavity to form the component. The inner core is positioned to define the internal passage within the component.
대표청구항▼
1. A method of forming a component having an internal passage defined therein, said method comprising: positioning a jacketed core with respect to a mold, wherein the jacketed core includes: a hollow structure consisting of a first material that is metallic, wherein the hollow structure includes an
1. A method of forming a component having an internal passage defined therein, said method comprising: positioning a jacketed core with respect to a mold, wherein the jacketed core includes: a hollow structure consisting of a first material that is metallic, wherein the hollow structure includes an interior portion; andan inner core disposed within the hollow structure, the inner core defining an inner core cross-sectional perimeter contacting substantially an entirety of the interior portion of the hollow structure;introducing a component material in a molten state into a cavity of the mold, such that a portion of the jacketed core is submerged, and such that the component material in the molten state contacts the first material along substantially an entire outer perimeter of the submerged portion of the jacketed core; andcooling the component material in the cavity to form the component, wherein the inner core cross-sectional perimeter defines a cross-sectional perimeter of the internal passage within the component. 2. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the hollow structure formed using at least one of a direct metal laser melting (DMLM) process, a direct metal laser sintering (DMLS) process, and a selective laser sintering (SLS) process. 3. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the hollow structure formed from the first material that is at least partially absorbable by at least one of a nickel-based superalloy, a cobalt-based superalloy, an iron based alloy, a titanium-based alloy, and a platinum-based superalloy. 4. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core formed from at least one of silica, alumina, and mullite. 5. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-diameter ratio of at least about 25. 6. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-diameter ratio of at least about 60. 7. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-diameter ratio of at least about 70. 8. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-diameter ratio of at least about 80. 9. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-end-separation-distance ratio of at least about 1.2. 10. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines length-to-end-separation-distance ratio of at least about 3. 11. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the inner core that defines a length-to-end-separation-distance ratio of at least about 6. 12. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes at least a portion of the inner core that defines a cross-section, wherein the cross-section defines a ratio of the cross-sectional perimeter squared to a cross-sectional area of at least about 40. 13. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes at least a portion of the inner core that defines a cross-section, wherein the cross-section defines a ratio of the cross-sectional perimeter squared to a cross-sectional area of at least about 80. 14. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the hollow structure that defines a plurality of substantially linear segments coupled in series. 15. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes the hollow structure that defines a plurality of substantially linear segments coupled in series with a plurality of curved segments. 16. The method of claim 1, wherein said positioning the jacketed core comprises positioning the jacketed core that includes at least a portion of the hollow structure that defines a substantially helical shape.
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