中文
EnglishMetal welding
Inactive gases are used to protect the molten pool of metal and molten
droplets formed during welding. The metal in the molten pool reacts with the
gas at high temperatures The metal in the molten pool reacts with the gas at
high temperatures to form pores, inclusions and other defects that affect the
quality of the weld. Nitrogen, carbon dioxide and other gases form a gas
The melt pool oxidation is prevented by the formation of a gas barrier such as
nitrogen and carbon dioxide.
Use of nitrogen in wave or reflow soldering
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Hydrogen purification equipment for metal treatment
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