Aluminum alloy

Patent metadata

Field	Value
Publication number	US-12163206-B2
Application number	US-201816173137-A
Country	US
Kind code	B2
Filing date	Oct 29, 2018
Priority date	Oct 29, 2018
Publication date	Dec 10, 2024
Grant date	Dec 10, 2024

Abstract

An aluminum alloy is provided including between about 7.5-9.5 wt. % silicon, between about 3.0-4.0 wt. % copper, and between about 0.01-5.0 wt. % titanium. The aluminum alloy may include up to about 1.3 wt. % iron, up to about 0.5 wt. % manganese, up to about 0.1 wt. % magnesium, up to about 3.0 wt. % zinc, and up to about 0.35 wt. % tin. The balance of the aluminum alloy may include aluminum.

First claim

What is claimed is:

1. An aluminum alloy comprising:
between about 7.5 wt. %-9.5 wt. % silicon;
between about 3.0 wt. %-4.0 wt. % copper;
up to about 1.3 wt. % iron;
up to about 0.5 wt. % manganese;
up to about 0.1 wt. % magnesium;
up to about 3.0 wt. % zinc;
up to about 0.35 wt. % tin;
between about 0.9 wt. %-1.5 wt. % titanium;
between about 0.001 wt. %-0.02 wt. % antimony;
one or more of:
between about 0.0005 wt. %-0.0007 wt. % silver;
between about 0.004 wt. %-0.006 wt. % molybdenum;
between about 0.0003 wt. %-0.002 wt. % lanthanum;
up to about 0.02 wt. % each of one or more of strontium, cobalt, lithium, sodium, scandium, vanadium, and cerium;
and

the balance being aluminum.

2. The aluminum alloy according to claim 1 , comprising about 8.7 wt. % silicon.

3. The aluminum alloy according to claim 1 , comprising about 3.7 wt. % copper.

4. The aluminum alloy according to claim 1 , comprising about 1.0 wt. % iron.

5. The aluminum alloy according to claim 1 , comprising about 0.2 wt. % manganese.

6. The aluminum alloy according to claim 1 , comprising about 0.07 wt. % magnesium.

7. The aluminum alloy according to claim 1 , comprising about 0.8 wt. % zinc.

8. The aluminum alloy according to claim 1 , comprising about 0.02 wt. % tin.

9. The aluminum alloy according to claim 1 , further comprising about 0.02 wt. % lead.

10. The aluminum alloy according to claim 1 , further comprising about 0.5 wt. % chromium.

11. The aluminum alloy according to claim 1 , further comprising up to about 0.02 wt. % each of one or more of zirconium, beryllium, boron.

12. The aluminum alloy according to claim 1 , further comprising between about 0.017 wt. %-0.021 wt. % calcium.

13. An aluminum alloy comprising:
between about 7.5 wt. %-9.5 wt. % silicon;
between about 3.0 wt. %-4.0 wt. % copper;
up to about 1.3 wt. % iron;
up to about 0.5 wt. % manganese;
up to about 0.1 wt. % magnesium;
up to about 3.0 wt. % zinc;
up to about 0.35 wt. % tin;
between about 0.1 wt. %-5 wt. % titanium;
one or more of:
between about 0.001 wt. %-0.012 wt. % antimony;
about 0.02 wt. % each of one or more of strontium, cobalt, lithium, sodium, scandium, vanadium, and cerium; and

the balance being aluminum.

Assignees

• Fna Group Inc

Inventors

• Alexander Gus
• Gilpatrick Richard J

Classifications

• F04B1/0408

  Pistons · CPC title

• F04B17/05

  driven by internal-combustion engines · CPC title

• F04B1/14

  having stationary cylinders · CPC title

• F04B53/16

  Casings; Cylinders; Cylinder liners or heads; Fluid connections · CPC title

• C22C21/02 Primary

  with silicon as the next major constituent · CPC title