US 2026/0286469 A1 · A NICKEL-FREE PLATINUM ALLOY COMPOSITION

Abstract

A platinum alloy composition consisting, in weight percent, of: 0.0 to 5.0 gold, 0.0 to 2.5 cobalt, 0.0 to 3.0 copper, 0.0 to 5.0 iron, 0.0 to 2.75 gallium, 0.0 to 3.0 indium, 0.0 to 5.0 iridium, 0.0 to 5.0 manganese, 0.0 to 5.0 palladium, 0.0 to 5.0 rhenium, 0.0 to 5.0 rhodium, 0.0 to 5.0 ruthenium, 0.0 to 3.0 tin, 0.0 to 5.0 silver, with the sum of platinum and iridium being 95.0 or more and incidental impurities, wherein the following equation is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WRh, WIr, WAu, WRu WRe, WAg and WMn are the weight percent of cobalt, copper, iron, gallium, indium, nickel, palladium, tin, rhodium, iridium, gold, ruthenium, rhenium, silver and manganese in the alloy respectively 60+WPd*2.5+WRh*3.4+WIr*6.455+WAU*11.93+WRu*13.241+WCu*14.328+WRe*16.6+WNi*16.9+WMn*18.48+WCo*18.69+WFe*21.879+WIn*29+WSn*28.207+WGa*42.379+WAg*9.0≥130 and wherein the following condition is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WMn, WRu, WIr, WRh, WAu, Wpt, WAg and WRe are the weight percent of cobalt, copper, iron, gallium, indium, nickel, palladium, tin, manganese, ruthenium, iridium, rhodium, gold, platinum, silver and rhenium in the alloy respectively 16.6<−0.10406*WAg−0.1028*WCo−0.1201*WCu−0.2113*WFe−0.3368*WGa−0.1125*WIn−0.1639*WNi−0.015*WPd−0.1959*WSn+17.276261−0.20*WMn+0.0678*WRu+0.035*W+0.045*WRh−0.059*WAu+0.066*WRe≤17.1 and wherein the following equation is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WMn, WRu, WIr, WRh, WAu, WAg and WRe are the weight percent of aluminium, cobalt, copper, iron, gallium, indium, nickel, palladium, tin, titanium, manganese, ruthenium, iridium, rhodium, gold, silver and rhenium in the alloy respectively 4.22WAg2+0.041WAuW−Co+0.122WAuWIn+1.96WAuWNi+1.87WAuWSn+0.903WAu2+1.74WCoWGa+13.4WCoWIn+1.24WCoWMn+5.04WCoWSn+1.02WCo2+8.97WCuWFe+1.74WCuWGa+4.38WCuWIn+1.16WCuWMn+0.491WCuWNi+3.69WCuWSn+0.22WCu2+1.68WFeW−Ga+3.31WFeWIn−1.26WFeWMn+5.07WFeWSn+0.199WFe2+5.35WGaWIn+0.086WGaWMn+3.27WGaWRe+330.3WGaWRh+4.56WGaWRu+2.21WGaWSn+29.0WGa+8.49WGa2+9.09WInWMn−0.28WInWNi+15.4WInWRh+0.992WInWRu+11.7WIn+6.68WIn2+0.863WIr2+5.73WMnWNi−0.02WMnWRu+5.68WMnWSn+18.4WMn−0.89WMn2+0.49WNiWRu+0.186WNi2+4.48WReWSn+1.15WRe2−5.11W W+2.04WRh2+0.885WRuWSIn+1.28 WRu2+1.58WSn+9.49WSn2+11.6<100.

Claims27

Dependent claims

A platinum alloy composition consisting, in weight percent, of:

0.0 to 5.0 gold, 0.0 to 2.5 cobalt, 0.0 to 3.0 copper, 0.0 to 5.0 iron, 0.0 to 2.75 gallium, 0.0 to 3.0 indium, 0.0 to 5.0 iridium, 0.0 to 5.0 manganese, 0.0 to 5.0 palladium, 0.0 to 5.0 rhenium, 0.0 to 5.0 rhodium, 0.0 to 5.0 ruthenium, 0.0 to 3.0 tin, 0.0 to 5.0 silver, with the sum of platinum and iridium being 95.0 or more and incidental impurities, wherein the following equation is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WRh, WIr, WAu, WRu, WRe, WAg and WMn are the weight percent of cobalt, copper, iron, gallium, indium, nickel, palladium, tin, rhodium, iridium, gold, ruthenium, rhenium, silver and manganese in the alloy respectively
6
⁢
0
+
W
Pd
*
2.5
+
W
Rh
*
3.4
+
W
Ir
*
6.455
+
W
Au
*
11.
9
⁢
3
+
W
Ru
*
13.
2
⁢
4
⁢
1
+
W
Cu
*
14.
3
⁢
2
⁢
8
+
W
Re
*
16.
6
+
W
Ni
*
16.
9
+
W
Mn
*
18.
4
⁢
8
+
W
Co
*
18.
6
⁢
9
+
W
Fe
*
21.
8
⁢
7
⁢
9
+
W
In
*
29
+
W
Sn
*
28.
2
⁢
0
⁢
7
+
W
Ga
*
42.
3
⁢
7
⁢
9
+
W
Ag
*
9.
≥
1
⁢
3
⁢
0
and wherein the following condition is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WMn, WRu, WIr, WRh, WAu, WPt, WAg and WRe are the weight percent of cobalt, copper, iron, gallium, indium, nickel, palladium, tin, manganese, ruthenium, iridium, rhodium, gold, platinum, silver and rhenium in the alloy respectively
16.6
<
-
0.10406
*
W
Ag
-
0.1028
*
W
Co
-
0.1201
*
W
Cu
-
0.2113
*
W
Fe
-
0.3368
*
W
Ga
-
0.1125
*
W
In
-
0.1639
*
W
Ni
-
0.015
*
W
Pd
-
0.1959
*
W
Sn
+
17.276261
-
0.2
*
W
Mn
+
0.0678
*
W
Ru
+
0.035
*
W
Ir
+
0.045
*
W
Rh
-
0.059
*
W
Au
+
0.066
*
W
Re
≤
17.1
and wherein the following equation is satisfied in which WCo, WCu, WFe, WGa, WIn, WNi, WPd, WSn, WMn, WRu, WIr, WRh, WAu, WAg and WRe are the weight percent of aluminium, cobalt, copper, iron, gallium, indium, nickel, palladium, tin, titanium, manganese, ruthenium, iridium, rhodium, gold, silver and rhenium in the alloy respectively
4.22
W
Ag
2
+
0.041
W
Au
⁢
W
Co
+
0.122
W
Au
⁢
W
In
+
1.96
W
Au
⁢
W
Ni
+
1.87
W
Au
⁢
W
Sn
+
0.903
W
Au
2
+
1.74
W
Co
⁢
W
Ga
+
13.4
W
Co
⁢
W
In
+
1.24
W
Co
⁢
W
Mn
+
5.04
W
Co
⁢
W
Sn
+
1.02
W
Co
2
+
8.97
W
Cu
⁢
W
Fe
+
1.74
W
Cu
⁢
W
Ga
+
4.38
W
Cu
⁢
W
In
+
1.16
W
Cu
⁢
W
Mn
+
0.491
W
Cu
⁢
W
Ni
+
3.69
W
Cu
⁢
W
Sn
+
0.22
W
Cu
2
+
1.68
W
Fe
⁢
W
Ga
+
3.31
W
Fe
⁢
W
In
-
1.26
W
Fe
⁢
W
Mn
+
5.07
W
Fe
⁢
W
Sn
+
0.199
W
Fe
2
+
5.35
W
Ga
⁢
W
In
+
0.086
W
Ga
⁢
W
Mn
+
3.27
W
Ga
⁢
W
Re
+
33.3
W
Ga
⁢
W
Rh
+
4.56
W
Ga
⁢
W
Ru
+
2.21
W
Ga
⁢
W
Sn
+
29.
W
Ga
+
8.49
W
Ga
2
+
9.09
W
In
⁢
W
Mn
-
0.28
W
In
⁢
W
Ni
+
15.4
W
In
⁢
W
Rh
+
0.992
W
In
⁢
W
Ru
+
11.7
W
In
+
6.68
W
In
2
+
0.863
W
Ir
2
+
5.73
W
Mn
⁢
W
Ni
-
0.02
W
Mn
⁢
W
Ru
+
5.68
W
Mn
⁢
W
Sn
+
18.4
W
Mn
-
0.89
W
Mn
2
+
0.49
W
Ni
⁢
W
Ru
+
0.186
W
Ni
2
+
4.48
W
Re
⁢
W
Sn
+
1.15
W
Re
2
-
5.11
W
Rh
⁢
W
Sn
+
2.04
W
Rh
2
+
0.885
W
Ru
⁢
W
Sn
+
1.28
W
Ru
2
+
1.58
W
Sn
+
9.49
W
Sn
2
+
11.6
≤
100.

535 more elements

Dependencies are inferred from the claim text.

A nickel-free platinum alloy composition

Life of this patent

A nickel-free platinum alloy composition

Life of this patent

Abstract

Claims27