# US 8,784,730 B2 · Nickel-based alloy

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- Number: US 8,784,730 B2
- Document ID: US8784730B2
- Status: Granted
- Kind: B2
- Application number: 13/700,776
- Filed: 2011-06-08
- Published: 2013-03-28
- Granted: 2014-07-22
- Earliest claimed: 2010-06-21
- Assignees: Outokumpu Vdm GmbH
- Applicants: Heike Hattendorf
- Inventors: Heike Hattendorf
- Web page: https://patentgrep.com/patent/US8784730B2

## CPC

- H01T 13/39: Selection of materials for electrodes
- C22C 19/03: based on nickel
- C22C 19/057: {with the maximum Cr content being less 10%}
- C22C 19/058: {without Mo and W}
- H01T: SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES (overvoltage protection circuits H02H)
- C22C: ALLOYS (treatment of alloys C21D, C22F)

## Abstract

Nickel-based alloy consisting of (in % by mass) Si 0.8-2.0%, Al 0.001-0.1%, Fe 0.01-0.2%, C 0.001-0.10%, N 0.0005-0.10%, Mg 0.0001-0.08%, O 0.0001-0.010%, Mn max. 0.10%, Cr max. 0.10%, Cu max. 0.50%, S max. 0.008%, balance Ni and the usual production-related impurities.

## Claims

### Claim 1

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 2 (depends on 1)

The nickel-based alloy according to claim 1, with a Si content (in % by mass) of 0.8 to 1.5%.

### Claim 3 (depends on 1)

The nickel-based alloy according to claim 1, with a Si content (in % by mass) of 0.8 to 1.2%.

### Claim 4 (depends on 1)

The nickel-based alloy according to claim 1, with an Al content (in % by mass) of 0.001 to 0.05%.

### Claim 5 (depends on 1)

The nickel-based alloy according to claim 1, with an Fe content (in % by mass) of 0.01 to 0.10%.

### Claim 6 (depends on 1)

The nickel-based alloy according to claim 1, with an Fe content (in % by mass) of 0.01 to 0.05%.

### Claim 7 (depends on 1)

The nickel-based alloy according to claim 1, with a C content (in % by mass) of 0.001 to 0.05% and an N content (in % by mass) of 0.001 to 0.05%.

### Claim 8 (depends on 1)

The nickel-based alloy according to claim 1, with a Mg content (in % by mass) of 0.005 to 0.08%.

### Claim 9 (depends on 1)

The nickel-based alloy according to claim 1, with a Ca content (in % by mass) of 0.0002 to 0.06%.

### Claim 10 (depends on 1)

The nickel-based alloy according to claim 1, with an O content (in % by mass) of 0.0001 to 0.008%.

### Claim 11 (depends on 1)

The nickel-based alloy according to claim 1, with a Mn content (in % by mass) of max. 0.05% and with a Cr content (in % by mass) of max. 0.05%.

### Claim 12 (depends on 1)

The nickel-based alloy according to claim 1, with a Cu content (in % by mass) of max. 0.20%.

### Claim 13 (depends on 1)

An electrode material for an ignition element of an internal combustion engine comprising the nickel-based alloy according to claim 1.

### Claim 14 (depends on 13)

The electrode material according to claim 13 wherein the ignition element is a spark plug of a gasoline engine.

### Claim 15

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Y 0.03 to 0.20%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 16 (depends on 15)

The nickel-based alloy according to claim 15, with an Y content (in % by mass) of 0.05 to 0.15%.

### Claim 17

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Hf 0.03 to 0.25%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 18 (depends on 17)

The nickel-based alloy according to claim 17, with a Hf content (in % by mass) of 0.03 to 0.15%.

### Claim 19

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Zr 0.03 to 0.15%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 20

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Ce 0.03 to 0.15%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 21

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
La 0.03 to 0.15%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 22

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Ti max. 0.15%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.

### Claim 23

A nickel-based alloy, consisting of (in % by mass)
Si 0.8-2.0%
Al 0.001 to 0.1%
Fe 0.01 to 0.2%
C 0.001-0.10%
N 0.0005-0.10%
Mg 0.0001-0.08%
O 0.0001 to 0.010%
Co max. 0.50%
W max. 0.10%
Mo max. 0.10%
V max. 0.10%
P max. 0.020%
B max. 0.005%
Pb max. 0.005%
Zn max. 0.005%
Mn max. 0.10%
Cr max. 0.10%
Cu max. 0.50%
S max. 0.008%
Ni remainder, and the usual production-related contaminants.