[특허]Method and apparatus for epitaxial solidification

Method and apparatus for epitaxial solidification 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B22D-027/04
출원번호	US-0913834 (1986-09-29)
발명자 / 주소	Terkelsen Bruce E. (Cheshire CT)
출원인 / 주소	United Technologies Corporation (Hartford CT 02)
인용정보	피인용 횟수 : 20 인용 특허 : 0

초록 ▼

Disclosed are a mold, apparatus and method for obtaining articles of controlled crystallographic orientation using solidification from seeds. The starter section of a directional solidification mold is adapted to both contain a seed and receive molten metal which is flowed over and about a seed to heat and partially melt it. A selector section of the mold has reduced cross section compared to the starter section so that only epitaxially solidified metal will be formed in the article section. A barrier layer resistive to molten metal is applied to portions of the seed to facilitate its removal and reuse.

대표청구항 ▼

For epitaxially casting metal, apparatus comprised of a chill plate, a mold in contact with the chill plate and a seed positioned on the chill plate; the mold having in a substantially vertical array an article cavity and a starter cavity, the starter cavity connected to the article cavity by a selector cavity of substantially smaller dimension than that of the starter cavity; the mold further having means for introducing molten metal into its cavities; characterized in that a portion of the seed is positioned within the mold starter cavity, the portion having a first surface aligned with the entrance to the selector cavity to enable epitaxial solidification from the first surface into the selectory cavity; and the starter cavity having substantially greater volume than the volume of the portion of the seed contained therein, to provide within the starter cavity a reservoir for metal which may be flowed across the seed; the seed projected into the starter cavity to enable molten metal to surround the seed at a second surface in addition to the first surface to provide additional heating to the seed; the seed having a barrier layer at the second surface, to prevent molten metal from adhering to the seed and to facilitate its removal from the solidified casting. The method of casting metals into an article having controlled crystallographic orientation using a seed and a chill plate which comprises: (a) placing a cold seed on the lateral surface of a cold chill plate so the seed projects above the surface of the chill plate with a controlled orientation thereto; (b) heating a mold and then placing it on the chill plate with a controlled orientation thereto, so the seed is contained within a cavity of the mold and so there is created a lateral space cavity surrounding the seed; (c) filling the mold with molten metal in a manner which causes a portion of the molten metal to flow across the part of the seed projecting from the chill plate, to heat and melt a portion of the seed; (d) flowing the metal which sweeps across the seed into said lateral space cavity; and (e) epitaxially solidifying the molten metal from the seed.

이 특허를 인용한 특허 (20)

Fernihough,John, Apparatus for manufacture of directionally solidified columnar grained article thereof.
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Fernihough,John, Directionally solidified columnar grained article and apparatus for manufacture thereof.
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Brown Daniel D. (Fairfield OH) Brueggert Marlin S. (Lebanon IN) Murach Ronald T. (Mason OH) Raabe Kevin W. (Cincinnati OH) Sabato Joseph G. (Hamilton OH), Gas turbine combustor heat shield of casted super alloy.
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Frasier, Donald J.; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Kush, Matthew; Schlienger, Max Eric; Baldwin, Michael, Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Brady, Guy Allen; Kush, Matthew T.; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Kush, Matthew T., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Kush, Matthew T., Method and apparatus for production of a cast component.
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Frasier, Donald J.; Schlienger, M. Eric; Vessely, Patrick A., Method and apparatus for production of a cast component.
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Fernihough, John, Method for manufacture of a directionally solidified columnar grained article.
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Rama Prasad T. V. (Mentor OH), Method of casting a metal article.
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Frasier Donald J., Method of making single-cast, high-temperature thin wall structures having a high thermal conductivity member connecting the walls.
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Fernihough,John; Hoebel,Matthias; Konter,Maxim, Method of removing casting defects.
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Woodward, John; Bedford, Paul, Process for casting a turbine wheel.
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James D. Maslen, Single crystal casting mold.
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Frasier Donald J., Single-cast, high-temperature thin wall structures having a high conductivity member connecting the walls and methods.
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O'Connor Kurt Francis ; Hoff James Paul ; Frasier Donald James ; Peeler Ralph Edward ; Mueller-Largent Heidi ; Trees Floyd Freeman ; Whetstone James Rodney ; Lane John Henry ; Jeffries Ralph Edward, Single-cast, high-temperature, thin wall structures.
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O'Connor Kurt Francis ; Hoff James Paul ; Frasier Donald James ; Peeler Ralph Edward ; Mueller-Largent Heidi ; Trees Floyd Freeman ; Whetstone James Rodney ; Lane John Henry ; Jeffries Ralph Edward, Single-cast, high-temperature, thin wall structures and methods of making the same.
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Frasier Donald J., Single-cast, high-temperature, thin wall structures having a high thermal conductivity member connecting the walls and.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Method and apparatus for epitaxial solidification 원문보기

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Method and apparatus for epitaxial solidification 원문보기

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