Electrode for an ignition device

1. An ignition device, comprising: a spark plug having a center electrode and a ground electrode spaced from one another across a sparking gap therebetween, at least one of said electrodes being fabricated at least in part from an alloy comprising: at least 90% by weight of nickel; zirconium; boron; aluminum and at least one element from the group consisting of, silicon, chromium, titanium and manganese, and wherein by weight of the alloy, aluminum is 1.0-1.5%, zirconium is 0.005-0.5%, boron is 0.001-0.01%.

2. The ignition device of claim 1 , wherein the alloy further includes hafnium.

3. The ignition device of claim 1 , wherein the balance of the alloy is substantially Ni.

4. The ignition device of claim 1 , wherein the alloy further includes at least one rare earth element from the group consisting of yttrium, hafnium, lanthanum, cerium and neodymium.

5. The ignition device of claim 4 , wherein, by weight of said alloy: there is 0.1-0.2% yttrium.

6. The ignition device of claim 4 , comprising, by weight of said alloy: 0.005-0.2% hafnium.

7. The ignition device of claim 1 , including at least one trace element selected from the group consisting of; cobalt, niobium, vanadium, molybdenum, tungsten, copper, iron, carbon, calcium, phosphorus or sulfur.

8. The ignition device of claim 1 , wherein said at least one element is selected to include chromium, manganese and titanium.

9. The ignition device of claim 8 , comprising, by weight of said alloy: 1.65-1.90% chromium; 0.35-0.55% silicon; 1.80-2.10% manganese, 0.20-0.40% titanium, 0.005-0.5% zirconium; 0.001-0.01% boron and the balance substantially Ni.

10. The ignition device of claim 8 , further comprising hafnium.

11. The ignition device of claim 10 , comprising, by weight of said alloy: 0.005-0.2% hafnium.

12. The ignition device of claim 1 , including, by weight of said alloy, 1.0-1.5% silicon.