IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0191242
(1988-05-06)
|
우선권정보 |
CH-0003230 (1986-08-12) |
발명자
/ 주소 |
- Couper Malcolm J. (Station Siggenthal CHX)
|
출원인 / 주소 |
- BBC Brown Boveri AG (Baden CHX 03)
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
2 |
초록
▼
A green pressed article of high strength and of low relative density, formed from a heat-resistant aluminum alloy of the Al/Fe/X or Al/Cr/X type, where X is Ti, Ce, Zr, Hf, V, Nb, Cr, Mo or W, is produced by a powder-metallurgical process, wherein an alloy melt is atomized to form fine particles by
A green pressed article of high strength and of low relative density, formed from a heat-resistant aluminum alloy of the Al/Fe/X or Al/Cr/X type, where X is Ti, Ce, Zr, Hf, V, Nb, Cr, Mo or W, is produced by a powder-metallurgical process, wherein an alloy melt is atomized to form fine particles by means of an inert gas jet, with which 0.5 to 2% by volume of oxygen is admixed, and the powder produced in this manner is compacted. Nitrogen, argon or helium can be employed as inert gas. The green pressed article is preferably formed from a small proportion of coarser, non-spherical particles and a greater proportion of finer, spherical particles.
대표청구항
▼
A high strength and low density green pressed article, obtained by atomizing a heat-resistant aluminum alloy of Al/Fe/X, where X is Ti, Ce, Zr, Hf, V, Nb, Cr, Mo or W, or Al/Cr/Y, where Y is Ti, Ce, Zr, Hf, V, Nb, Mo or W, thereby forming fine particles of said aluminum alloy by means of a gas jet m
A high strength and low density green pressed article, obtained by atomizing a heat-resistant aluminum alloy of Al/Fe/X, where X is Ti, Ce, Zr, Hf, V, Nb, Cr, Mo or W, or Al/Cr/Y, where Y is Ti, Ce, Zr, Hf, V, Nb, Mo or W, thereby forming fine particles of said aluminum alloy by means of a gas jet made of up a gas inert to the atomized particles containing from 0.5 to 2% by volume of oxygen to produce a powder; and compacting said powder.
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