"Since he first heard his uncles discuss the nickel-plated bumpers and hubcaps on their 1937 Plymouths, welding expert Carl Smith has witnessed the use of nickel and its alloys evolve. Long used in the energy sector, the materials have seen an increase in popularity because of EPA regulations..."

This article is more or less an account of a personal journey through his long welding career in which the writer briefly talks about his own experiences with welding Nickel and the various alloys associated with Nickel.

http://www.thefabricator.com/article/shopmanagement/the-evolution-of-nickel-alloys-and-welding-materials

Enjoy the read.

Respectfully,
Henry