the.com/brazing
Gluing metal with molten metal, because welding seemed too violent and screws too cowardly.
no meltingBase metals stay solid; only filler liquefies
capillary actionMolten filler crawls into joints against gravity
hot thresholdAbove 840°F separates brazing from soldering
ancient craftEgyptians brazed gold jewelry 5,000 years ago
flux requiredCleans surfaces so metal actually bonds