... overlooked is the effect of temperature and time on the quality of brazed joints. As the temperature of the braze alloy is increased, the alloying and wetting action of the filler ... are made up of 3 or more metals to form an alloy with the desired properties. The filler metal for a particular application is chosen ... nickel, iron, copper, silicon, boron, phosphorus, etc. Welding Tips: What Is Brazing?