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Ferrocerium is a synthetic pyrophoric alloy that produces hot sparks that can reach temperatures of 3000 C when rapidly oxidized by the process of striking .. pyrophoric. Pyrophoricity. alloy. alloy. sparks. Spark ( fire ). oxidized. Redox. This property allows it to have many commercial applications , such as the ignition source for lighters -LRB- where it is often known by the misleading name `` flint '' -RRB- , strikers for gas welding and cutting torches , deoxidization in metallurgy , and ferrocerium rods -LRB- also called ferro rods , flint-and-steel , and flint-spark-lighters -RRB- .. lighters. lighters. flint. flint. gas welding and cutting torches. Oxy-fuel welding and cutting. deoxidization. deoxidization. metallurgy. metallurgy. flint-spark-lighters. #Flint spark lighter. Due to ferrocerium 's ability to ignite in adverse conditions , rods of ferrocerium are commonly used as an emergency combustion device in survival kits .. combustion device. Firelighting. Invented in 1903 by the Austrian chemist Carl Auer von Welsbach , ferrocerium takes its name from its two primary components  : iron -LRB- from ferrum -RRB- , and the rare earth element cerium .. Carl Auer von Welsbach. Carl Auer von Welsbach. iron. iron. rare earth. rare earth element. cerium. cerium. The pyrophoric effect is dependent on the brittleness of the alloy and its low autoignition temperature .. pyrophoric. Pyrophoricity. alloy. alloy. autoignition temperature. autoignition temperature