[특허]Process of shaping a metal alloy product

Process of shaping a metal alloy product 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B22D-017/00 B22D-023/00
출원번호	US-0290217 (1981-08-05)
발명자 / 주소	Kenney Malachi P. (Chesterfield MO)
출원인 / 주소	Alumax Inc. (San Mateo CA 02)
인용정보	피인용 횟수 : 42 인용 특허 : 0

초록 ▼

A process for shaping a metal alloy in which a semi-solid metal alloy charge is shaped under pressure in a closed die cavity. The metal alloy is vigorously agitated, while in the form of a liquid-solid mixture, to convert from 30% to 55% by volume to discrete degenerate dendritic solid particles. The liquid-solid mixture is then cooled to solidify the mixture and reheated to form a semi-solid slurry. The reheated metal alloy slurry contains discrete degenerate dendritic primary solid particles, in a concentration from about 70 to 90% by volume based upon the volume of the alloy, suspended homogeneously in a secondary liquid phase. The process is characterized by low pressure and very rapid shaping and solidification times. The process produces complex, close tolerance, high quality metal alloy parts.

대표청구항 ▼

In a process for producing a shaped metal alloy part in which a metal alloy composition is heated to form a liquid-solid mixture, the liquid-solid mixture is vigorously agitated to convert the solid therein to discrete degenerate dendritic primary solid particles suspended homogeneously in a secondary liquid phase having a lower melting point than said primary solid particles, and the liquid-solid mixture is then shaped in a closed die cavity, the improvement comprising vigorously agitating said liquid-solid mixture to convert from 30% to 55% by volume thereof to said discrete degenerate dendritic primary solid particles, cooling said liquid-solid mixture prior to shaping to solidify said mixture and form a solid metal alloy charge containing no more than 55% by volume discrete degenerate dendritic primary solid particles in a solid secondary phase, reheating said metal alloy charge to convert the charge to a semi-solid slurry containing said discrete degenerate dendritic primary solid particles suspended in said secondary liquid phase, the proportion of said solid particles being increased by said reheating to from 75 to 90% by volume, based upon the volume of said alloy, shaping said 75 to 90% by volume semi-solid slurry under pressure in said closed die cavity in time of less than about one second, said die cavity having been preheated to a temperature of from about 100°to 450°C., and solidifying the shaped alloy in said die cavity at a pressure of at least about 500 psig in a time of less than one minute.

이 특허를 인용한 특허 (42)

Brown Stuart B. ; Mendez Patricio F. ; Rice Christopher S. ; Myojin Shinya, Apparatus and method for integrated semi-solid material production and casting.
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Brown Stuart B. ; Mendez Patricio F. ; Rice Christpher S. ; Myojin Shinya, Apparatus and method for semi-solid material production.
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Rice Christopher S. ; Mendez Patricio F. ; Brown Stuart B. ; Myojin Shinya, Apparatus and method for semi-solid material production.
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Marder James M. ; Haws Warren J., Beryllium-containing alloys of aluminum and semi-solid processing of such alloys.
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Bergsma S. Craig, Casting thermal transforming and semi-solid forming aluminum alloys.
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Bergsma S. Craig, Casting, thermal transforming and semi-solid forming aluminum alloys.
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Grensing Fritz C., High strength cast aluminum-beryllium alloys containing magnesium.
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Kono, Kaname, Injection molding method and apparatus with base mounted feeder.
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Flemings, Merton C.; Martinez-Ayers, Raul A.; de Figueredo, Anacleto M.; Yurko, James A., Metal alloy compositions and process.
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Kono Kaname,JPX, Method and apparatus for manufacturing light metal alloy.
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Hirai, Kinji; Fukada, Hisayuki; Osada, Yuuji, Method and apparatus for manufacturing metallic parts by die casting.
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Hirai,Kinji; Fukada,Hisayuki; Osada,Yuuji, Method and apparatus for manufacturing metallic parts by die casting.
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Hirai,Kinji; Fukada,Hisayuki; Osada,Yuuji, Method and apparatus for manufacturing metallic parts by die casting.
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Kono Kaname,JPX, Method and apparatus for manufacturing metallic parts by fine die casting.
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Kono Kaname,JPX, Method and apparatus for manufacturing metallic parts by fine die casting.
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Kono, Kaname, Method and apparatus for manufacturing metallic parts by fine die casting.
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Kono Kaname,JPX, Method and apparatus for manufacturing metallic parts by injection molding from the semi-solid state.
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Kono Kaname,JPX, Method and apparatus for manufacturing metallic parts by ink injection molding from the semi-solid state.
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Kono, Kaname, Method and apparatus for supplying melted material for injection molding.
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Bradley Norbert L. (Sanford MI) Wieland Regan D. (Auburn MI) Schafer William J. (Saginaw MI) Niemi Allen N. (Houghton MI), Method and apparatus for the injection molding of metal alloys.
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Sircar Subhasish, Method of forming product having globular microstructure.
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Williams, Samuel B.; Nielsen, Timothy A., Multiproperty metal forming process.
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DeMichele,Stephen Robert; Couture,Richard Lucien; Grewal,Sukhminder Singh, Precision control of airfoil thickness in hot forging.
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Yurko, James A.; Brower, Rodger W.; Martinez, Raul A.; Flemings, Merton C.; Bertelli, Paolo, Process and apparatus for preparing a metal alloy.
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Megolago Albani, Lucio, Process and plant for producing components made of an aluminium alloy for vehicles and white goods, and components obtained thereby.
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Czerwinski, Frank; Kadak, Damir, Process for injection molding semi-solid alloys.
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Czerwinski,Frank; Kadak,Damir, Process for injection molding semi-solid alloys.
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Sugiura Yasuo (Shizuoka JPX) Seo Hiroshi (Shizuoka JPX) Saikawa Seiji (Shizuoka JPX), Semi-molten metal molding apparatus.
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Sugiura Yasuo (Shizuoka JPX) Seo Hiroshi (Shizuoka JPX) Saikawa Seiji (Shizuoka JPX), Semi-molten metal molding method and apparatus.
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Kevin L. Richard ; Richard I. Neill, Jr. ; Christopher S. Rice ; Shinya Myojin ; Patricio F. Mendez ; Timothy B. Gage ; John F. O'Daniels ; Charles E. Barron, Semi-solid casting apparatus and method.
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Richard, Kevin L.; Neill, Jr., Richard I.; Rice, Christopher S.; Myojin, Shinya; Mendez, Patricio F.; Gage, Timothy B.; O'Daniels, John F.; Barron, Charles E., Semi-solid casting apparatus and method.
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Tausig Gabriela,AUX ; Xia Kenong,AUX, Semi-solid metal processing.
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Marder James M. (Shaker Heights OH) Haws Warren J. (Cleveland OH), Semi-solid processing of beryllium-containing alloys of magnesium.
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Hirai, Kinji; Fukada, Hisayuki; Osada, Yuuji, Vertical injection machine using gravity feed.
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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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연합인증

Process of shaping a metal alloy product 원문보기

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Process of shaping a metal alloy product 원문보기

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이 특허를 인용한 특허 (42)

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