Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1996-09-03
1998-06-16
Jenkins, Daniel J.
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
428660, 75245, B22F 702
Patent
active
057686793
ABSTRACT:
An article essentially consisting of one or more of Ti-Al intermetallic compounds is fabricated so as to have a volume ratio of voids of 0.2 to 3.5% and a maximum size of voids less than 50 .mu.m, by preparing a mixture of materials selected from a group consisting of Ti, Ti alloys, Al, Al alloys, and Ti-Al compounds, having a composition suitable for forming a desired Ti-Al intermetallic compound, and heating the mixture so that the mixture may be sintered. Typically, the temperature and pressure for the heating or sintering process, and the particle size of the material are appropriately selected so that a desired porosity and a desired range of void sizes may be obtained. The mechanical strength of the article according to the present invention is not only improved (as compared to the conventional Ti-Al intermetallic compounds) but is highly predictable, or, in other words, highly reliable. The fabrication costs can be reduced because the fabrication process involves only relatively low temperatures when simultaneously pressing and heating the article being formed. Furthermore, during the process of fabrication, such an article may have a highly favorable workability (as compared to the prior art) so that a final shape can be given to the article without involving any undue difficulty.
REFERENCES:
patent: 4292077 (1981-09-01), Blackburn et al.
patent: 4294615 (1981-10-01), Blackburn et al.
patent: 4331477 (1982-05-01), Kubo etal.
patent: 4661316 (1987-04-01), Hashimoto et al.
patent: 4668282 (1987-05-01), Gilman et al.
patent: 4668470 (1987-05-01), Gilman et al.
patent: 4716020 (1987-12-01), Blackburn et al.
patent: 5045406 (1991-09-01), Huang et al.
patent: 5196162 (1993-03-01), Maki et al.
patent: 5205876 (1993-04-01), Sakai
patent: 5226985 (1993-07-01), Kim et al.
patent: 5271884 (1993-12-01), Huang et al.
patent: 5350466 (1994-09-01), Larsen, Jr. et al.
patent: 5409781 (1995-04-01), Rosler et al.
patent: 5417781 (1995-05-01), McQuay
patent: 5429796 (1995-07-01), Larsen, Jr.
patent: 5580665 (1996-12-01), Taguchi et al.
Ayada Michihiko
Shingu Hideo
Taguchi Kohei
Jenkins Daniel J.
MacPherson Alan H.
NHK Spring R & D Center Inc.
Suryadevara Omkar K.
LandOfFree
Article made of a Ti-Al intermetallic compound does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Article made of a Ti-Al intermetallic compound, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Article made of a Ti-Al intermetallic compound will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1740180