Patent EP0188704A2 successfully refreshed from Google Patents.
EP0188704A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Fiber reinforced metal composite material
Assignee: Toyota Motor Corp
•
Filing: 1985-11-29
•
Granted: —
•
Expires: 2005-11-29
Abstract
Abstract The fiber reinforced metal composite material according to this invention provides a composite material comprising, in combination, alumina-fibers or alumina-silica fibers excellent in abrasion resistance, heat resistance and seizure resistance and hypereutectic aluminum-silicon-type alloys enriched with proeutectic silicon which is hard grains.
Inventors
- 👤 Atsuo Tanaka
- 👤 Tadashi Dohnomoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 14:58
CPC Classifications
C; C22; C22C; C22C49/00; C22C49/02; C22C49/04; C22C49/06; F; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2251/00; F05C2251/04; F05C2251/042; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986; Y10T428/00; Y10T428/12; Y10T428/12486; Y10T428/12493; Y10T428/12736; Y10T428/12764; Y10T428/31504; Y10T428/31855; Y10T428/31931
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
65 words
A fiber reinforced metal composite material having a metal matrix and reinforcing fibers embedded in said matrix, wherein said reinforcing fibers consist essentially of at least one member of the group consisting of alumina fibers or alumina-silica-type fibers with an average diameter of less than 10 microns, and said matrix consists essentially of a hyper- eutectic aluminum-silicon-type alloy in which primary crystal silicon is dispersed.
Claim 2
Dependent Claim
65 words
A fiber reinforced metal composite material having a metal matrix and reinforcing fibers embedded in said matrix, wherein said reinforcing fibers consist essentially of at least one member of the group consisting of alumina fibers or alumina-silica-type fibers with an average diameter of less than 10 microns, and said matrix consists essentially of a hyper- eutectic aluminum-silicon-type alloy in which primary crystal silicon is dispersed.
Claim 3
Dependent Claim
48 words
The fiber reinforced metal composite material of claim 1, wherein said reinforcing fibers are disposed in a two-dimensional random manner within a plane parallel to the direction of suppression of the thermal expansion coefficient, and the intraplane orientation rate in said plane is not less than 65 %.
Claim 4
Dependent Claim
23 words
The fiber reinforced metal composite material of claim 1, wherein the volume ratio of said reinforcing fibers is from 5 to 15 %.
Claim 5
Dependent Claim
25 words
The fiber reinforced metal composite material of claim 1, wherein the average particle size of said primary crystal silicon is not more than 52 microns.
Claim 6
Dependent Claim
22 words
The fiber reinforced metal composite material of claim 1, wherein said matrix includes from 13 to 30 % by weight of silicon.
Claim 7
Dependent Claim
25 words
The fiber reinforced metal composite material of claim 1, wherein the maximum particle size of said primary crystal silicon is not more than 80 microns.
Claim 8
Dependent Claim
24 words
The fiber reinforced metal composite material of claim 1, wherein the fiber length of said alumina-silica-type fibers is from 0.1 to several tens millimeter.
Claim 9
Dependent Claim
21 words
A vane, rotor, swash plate or liner of a compressor made from the fiber reinforced metal composite material of claim 1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.