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US 2016/0101487 A1Published application
Spot welding electrode
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsShuhei Ogura, Kazuyuki Ogusu
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Abstract
A spot welding electrode includes a copper alloy, and a sintered tungsten alloy disposed in a tip portion of the spot welding electrode, the tip portion of the spot welding electrode being brought into contact with an object to be welded. The sintered tungsten alloy is connected only at a single flat surface to the copper alloy. A thermal conductivity of the spot welding electrode is within a range from 60 W/mK to 120 W/mK.
Claims6
A spot welding electrode comprising:
- a copper alloy;
- and
- a sintered tungsten alloy disposed in a tip portion of the spot welding electrode, the tip portion of the spot welding electrode being brought into contact with an object to be welded, wherein
- the sintered tungsten alloy is connected only at a single flat surface to the copper alloy, and
- a thermal conductivity of the spot welding electrode is within a range from 60 W/mK to 120 W/mK.
2 more elements
Dependencies are inferred from the claim text.