Filler metal spattering can be caused by an arc length that is too long. The statement is True.
What is a filler metal?
- A filler metal is a metal that is added when a junction is made by soldering, brazing, or welding.
- The junction between the base metal elements is formed by adding a filler metal to the joint during the brazing and soldering procedures.
- With soft soldering, a filler—often a lead-tin solder alloy—is used that melts at a lower temperature than the workpiece.
- A higher temperature filler is used in brazing and hard soldering that melts at a temperature that may be close to the base metal's melting point and may create a eutectic alloy with the base metal.
- The base metal must start melting before welding can proceed because welding processes operate around the base metal's melting temperature.
Filler metals are alloys or unalloyed metals that melt and liquefy when heated so that they can flow into the space between two closely spaced components to form a brazed or soldered junction.
A filler metal has the right melting and flow characteristics to allow capillary attraction-based distribution in correctly constructed joints.
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