US4432313A — Aluminum base material with hard facing deposit

Claim 1

Independent Claim 111 words

An aluminum base material with a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing weld deposit consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising at least about 2% of materials selected from a group consisting of iron, manganese, and combinations of the foregoing.

Claim 2

Dependent Claim 111 words

An aluminum base material with a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing weld deposit consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising at least about 2% of materials selected from a group consisting of iron, manganese, and combinations of the foregoing.

Claim 3

Dependent Claim 34 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 1, wherein said hard facing weld deposit shows a Brinell hardness of at least 100 BHN at 600° F.

Claim 4

Dependent Claim 45 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 1, wherein said aluminum base material comprises part of an internal combustion engine piston, and wherein a piston ring groove is defined at least partially in said hard facing deposit.

Claim 5

Dependent Claim 47 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 3, wherein said aluminum base material consists essentially of the following: ______________________________________ Silicon 10.5%-11.5% Copper 1.5%-2.0% Manganese 0.4%-0.9% Iron 0.7% maximum Zinc 0.4% maximum Magnesium 0.5%-0.9% Impurities 0.8% maximum Aluminum balance ______________________________________

Claim 6

Dependent Claim 26 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 3, wherein said aluminum alloy comprises at least about 16% nickel.

Claim 7

Dependent Claim 28 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 5, wherein said aluminum alloy comprises between about 16% and about 25% nickel.

Claim 8

Dependent Claim 42 words

An aluminum base material with a hard facing weld deposit thereon as recited in claim 3, wherein said aluminum alloy comprises from about 6% to about 18% of material selected from the group consisting of copper, silicon, and combinations of the foregoing.

Claim 9

Dependent Claim 90 words

An aluminum base material having a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing weld deposit consisting essentially of an aluminum alloy including, by weight, about 6% to about 12% silicon, up to about 6% copper, about 2% to about 6% manganese, up to about 3% iron, about 16% to about 25% nickel, and balance aluminum, where the alloying materials comprise at least about 34%, by weight, of the total aluminum alloy of the weld deposit.

Claim 10

Dependent Claim 90 words

An aluminum base material having a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing weld deposit consisting essentially of an aluminum alloy including, by weight, about 6% to about 12% silicon, up to about 6% copper, about 2% to about 6% manganese, up to about 3% iron, about 16% to about 25% nickel, and balance aluminum, where the alloying materials comprise at least about 34%, by weight, of the total aluminum alloy of the weld deposit.

Claim 11

Dependent Claim 35 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 8, wherein said hard facing weld deposit shows a Brinell hardness of at least about 100 BHN at 600° F.

Claim 12

Dependent Claim 46 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 8, wherein said aluminum base material comprises part of an internal combustion engine piston, and wherein a piston ring groove is defined at least partially in said hard facing weld deposit.

Claim 13

Dependent Claim 52 words

An aluminum base material having a hard facing weld deposit thereon as recited in any of claims 8, 9 or 10 wherein said aluminum base material consists essentially of the following: ______________________________________ Silicon 10.5%-11.5% Copper 1.5%-2.0% Manganese 0.4%-0.9% Iron 0.7% maximum Zinc 0.4% maximum Magnesium 0.5%-0.9% Impurities 0.8% maximum Aluminum balance ______________________________________

Claim 14

Dependent Claim 116 words

An aluminum base material having a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard weld facing deposit consisting essentially of an aluminum alloy comprising at least 34% total alloy materials including at least about 16% of materials selected from a group consisting of nickel, cobalt, and combinations of the foregoing and at least about 2% of materials selected from a group consisting of iron, manganese, and combinations of the foregoing, a hard faced surface being formed at least partially in said hard facing weld deposit, said hard facing weld deposit exhibiting a Brinell hardness of at least about 100 BHN at 600° F.

Claim 15

Dependent Claim 116 words

An aluminum base material having a hard facing weld deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard weld facing deposit consisting essentially of an aluminum alloy comprising at least 34% total alloy materials including at least about 16% of materials selected from a group consisting of nickel, cobalt, and combinations of the foregoing and at least about 2% of materials selected from a group consisting of iron, manganese, and combinations of the foregoing, a hard faced surface being formed at least partially in said hard facing weld deposit, said hard facing weld deposit exhibiting a Brinell hardness of at least about 100 BHN at 600° F.

Claim 16

Dependent Claim 26 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 12, wherein said aluminum alloy comprises at least about 16% nickel.

Claim 17

Dependent Claim 28 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 13, wherein said aluminum alloy comprises from about 16% to about 25% nickel.

Claim 18

Dependent Claim 45 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 12, wherein said aluminum alloy includes by weight about 16% to about 34% of materials selected from a group consisting of nickel, manganese, iron, cobalt and combinations of the foregoing.

Claim 19

Dependent Claim 49 words

An aluminum base material having a hard facing weld deposit thereon as defined in any of claims 12-15 wherein said aluminum base material comprises part of an internal combustion engine piston, and wherein said hard faced surface comprises a part of a piston ring groove formed in said piston.

Claim 20

Dependent Claim 43 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 16, wherein said aluminum alloy further comprises between about 6% and about 18% of material selected from the group consisting of copper, silicon, and combinations of the foregoing.

Claim 21

Dependent Claim 47 words

An aluminum base material having a hard facing weld deposit thereon as recited in claim 17 wherein said aluminum base material consists essentially of the following: ______________________________________ Silicon 10.5%-11.5% Copper 1.5%-2.0% Manganese 0.4%-0.9% Iron 0.7% maximum Zinc 0.4% maximum Magnesium 0.5%-0.9% Impurities 0.8% maximum Aluminum balance ______________________________________

Claim 22

Dependent Claim 104 words

An aluminum base material with a hard facing deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum, (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising between about 16% to about 25% nickel and between about 2% and about 6% manganese.

Claim 23

Dependent Claim 104 words

An aluminum base material with a hard facing deposit thereon, said aluminum base material comprising an aluminum-silicon alloy with at least about 65% aluminum, said hard facing consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum, (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising between about 16% to about 25% nickel and between about 2% and about 6% manganese.

Claim 24

Dependent Claim 44 words

An aluminum base material with a hard facing deposit thereon as recited in claim 19, wherein said aluminum base material comprises part of an internal combustion engine piston, and wherein a piston ring groove is defined at least partially in said hard facing deposit.

Claim 25

Dependent Claim 24 words

An aluminum base material with a hard facing deposit thereon as recited in claim 20, wherein said hard facing deposit comprises a weld deposit.

Claim 26

Dependent Claim 25 words

An aluminum base material with a hard facing deposit thereon as recited in claim 19, wherein said aluminum alloy comprises up to about 3% iron.

Claim 27

Dependent Claim 42 words

An aluminum base material with a hard facing deposit thereon as recited in claim 22, wherein said aluminum alloy further comprises between about 6% and about 18% of material selected from the group consisting of copper, silicon, and combinations of the foregoing.

Claim 28

Dependent Claim 110 words

An aluminum base material with a hard facing deposit thereon, said hard facing consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum, (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising from about 16% to about 25% nickel, from about 2% to about 6% manganese, and from about 6% to about 18% of material from the group consisting of copper, silicon and combinations of the foregoing.

Claim 29

Dependent Claim 110 words

An aluminum base material with a hard facing deposit thereon, said hard facing consisting essentially of an aluminum alloy including, by weight, (i) about 54% to about 65% aluminum, (ii) about 34% to about 17% of materials selected from a group consisting of nickel, manganese, iron, cobalt, and combinations of the foregoing, and (iii) a balance of materials selected from a group consisting of copper, silicon, and combinations of the foregoing, said aluminum alloy comprising from about 16% to about 25% nickel, from about 2% to about 6% manganese, and from about 6% to about 18% of material from the group consisting of copper, silicon and combinations of the foregoing.

Claim 30

Dependent Claim 44 words

An aluminum base material with a hard facing deposit thereon as recited in claim 24, wherein said aluminum base material comprises part of an internal combustion engine piston, and wherein a piston ring groove is defined at least partially in said hard facing deposit.

Claim 31

Dependent Claim 24 words

An aluminum base material with a hard facing deposit thereon as recited in claim 25, wherein said hard facing deposit comprises a weld deposit.

Claim 32

Dependent Claim 25 words

An aluminum base material with a hard facing deposit thereon as recited in claim 24, wherein said aluminum alloy comprises up to about 3% iron.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1987-02-20	1987-08-22	1988-02-21	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1991-02-20	1991-08-22	1992-02-21	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1995-02-20	1995-08-22	1996-02-21	$7700.00	Window Closed / Lapsed

Aluminum base material with hard facing deposit

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