Porsche's tungsten-carbide-coated brakes claim to aid stopping power while looking pretty and keeping wheels clean. We put them to the test to see if they deliver on those promises.

Tungsten filaments served us well for a century but the truth is they were always much better at producing heat than light - in some bulbs as much as 97% of the energy was lost as heat.

How Porsche Is Changing the Brake Game With Tungsten Carbide Rotors coated in tungsten carbide mean better performance, less wear, less brake dust, and no rust. By Brian Silvestro Published: Jun ...

The iron carbide studies, made with Carapella's reagent (5 gm. ferric chloride, 2 ml. concentrated hydrochloric acid and 99 ml. methyl alcohol) etching for 20–60 min., revealed cracking as the ...