| 11. | Filler metal is added manually to the front end of the weld pool as it is needed.
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| 12. | This soldering tip can melt solder filler metals as acoustic vibrations are induced in the molten solder pool.
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| 13. | Brazing filler metal is stronger than silver solder, which is stronger than lead-based soft solder.
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| 14. | Soft solder filler metals are typically alloys ( often containing lead ) that have liquidus temperatures below 350 �C.
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| 15. | Filler metal ( electrode material ) improperly chosen for the environmental conditions can make them corrosion-sensitive as well.
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| 16. | The parts have to be perfectly machined, or pressed together, due to the small volume of filler metal.
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| 17. | This is an electrode that conducts electricity to the arc but also melts into the weld as a filler metal.
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| 18. | The filler metal reacts metallurgically with the workpiece ( s ) and solidifies in the capillary, forming a strong joint.
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| 19. | Filler metals are also used in nearly all applications of GTAW, the major exception being the welding of thin materials.
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| 20. | The alloy of the filler metal for each type of soldering can be adjusted to modify the melting temperature of the filler.
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