solder alloy
21hard solder — noun solder that contains copper; melts at a relatively high temperature; used for brazing • Hypernyms: ↑solder * * * noun Etymology: hard (I) + solder, n. : a solder that contains copper, requires a red heat to melt, and is used for brazing * *… …
22Fusible alloy — A fusible alloy, usually eutectic alloy is capable of being fused, as well as being liquefied by heat.Sometimes the term fusible alloy is used to describe alloys with a melting point below 150 °C. Fusible alloys in this sense are used for… …
23hard solder — a solder fusing at temperatures above 1200°F (650°C). Also called brazing alloy. Cf. soft solder. [1840 50] * * * …
24soft solder — a solder fusible at temperatures below 700°F (370°C), generally an alloy of lead and tin. Cf. hard solder. [1835 45] * * * …
25brazing alloy. — See hard solder. * * * …
26eutectic alloy — noun A mixture of metals having a melting point lower than that of any of its components; they are brittle and have been used in dental solder …
27brazing alloy. — See hard solder …
28Flux (metallurgy) — Rosin used as flux for soldering A flux pen used f …
29Printed circuit board — Part of a 1983 Sinclair ZX Spectrum computer board; a populated PCB, showing the conductive traces, vias (the through hole paths to the other surface), and some mounted electrical components A printed circuit board, or PCB, is used to… …
30Reflow soldering — is a process in which a solder paste (a sticky mixture of powdered solder and flux) is used to temporarily hold the components to their attachment pads, after which the assembly is carefully heated in order to solder the joint. The assembly may… …
