A wire includes a first wire section is of a first material and a second wire section is of a second material different from the first material. A joining section is adjacent both the first and second wire sections, the joining section comprising a first end and a second end. The first end of the joining section is of a material that is compatible with the first material of the first wire section and the second end of the joining section is of a material that is compatible with the second material of the second wire section.