# US 11,028,467 B2 · Metal-based composite material

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- Number: US 11,028,467 B2
- Document ID: US11028467B2
- Status: Granted
- Kind: B2
- Application number: 16/607,632
- Filed: 2018-04-19
- Published: 2020-03-26
- Granted: 2021-06-08
- Earliest claimed: 2017-04-28
- Assignees: Tyk Corporation
- Applicants: Tyk Corporation
- Inventors: Sadayasu Takayama; Shinji Kajita; Yukie Kaku
- Web page: https://patentgrep.com/patent/US11028467B2

## CPC

- C22C 14/00: Alloys based on titanium
- B22F 3/24: After-treatment of workpieces or articles {(B22F3/1146 takes precedence)}
- B22F 5/106: {Tube or ring forms}
- C22C 1/05: Mixtures of metal powder with non-metallic powder (C22C1/08 takes precedence)
- C22C 1/10: Alloys containing non-metals (C22C1/05, C22C1/08 take precedence)
- C22C 32/0047: {with carbides, nitrides, borides or silicides as the main non-metallic constituents}
- B22F 2003/242: {Coating}
- B22F 2998/10: Processes characterised by the sequence of their steps
- B22F 2999/00: Aspects linked to processes or compositions used in powder metallurgy
- C22C: ALLOYS (treatment of alloys C21D, C22F)
- B22F: WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER (making alloys by powder metallurgy C22C); APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER

## Abstract

Provided is a metal-based material having a high hardness. A metal-based composite material of the present invention is formed from a sintered body obtained from Ti material powder, Mo material powder, Ni material powder, and ceramics powder, and 0.1 to 9 parts by mass of Ni is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.

## Claims

### Claim 1

A metal-based composite material, wherein
the metal-based composite material is formed from a sintered body obtained only from Ti material powder containing Ti, Mo material powder containing Mo, Ni material powder containing Ni, and ceramics powder of at least one selected from SiC, TiC, TiB2, and MoB, wherein
0.1 to 9 parts by mass of Ni is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.

### Claim 2 (depends on 1)

The metal-based composite material according to claim 1, wherein a porosity is not greater than 0.5%.

### Claim 3 (depends on 1)

The metal-based composite material according to claim 1, wherein the metal-based composite material is nitrided.

### Claim 4 (depends on 1)

The metal-based composite material according to claim 1, wherein 1 to 15 parts by mass of the ceramics powder is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.

### Claim 5 (depends on 1)

The metal-based composite material according to claim 1, wherein 3 to 10 parts by mass of the ceramics powder is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.

### Claim 6 (depends on 1)

The metal-based composite material according to claim 1, wherein 0.1 to 5 parts by mass of Ni is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.

### Claim 7 (depends on 1)

The metal-based composite material according to claim 1, wherein 0.5 to 3 parts by mass of Ni is contained with respect to 100 parts by mass of the entirety of the metal-based composite material.