... filler metal is heated above melting point and distributed between two or more close-fitting parts by capillary action. The filler metal is brought ... be 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 ... nickel, iron, copper, silicon, boron, phosphorus, etc. Welding Tips: What Is Brazing?