| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: solder can be used for soldering copper, copper-nickel alloys, and bronze. The solder consists of the following components with the given percentage mass ratios: copper - 3.0-3.5%; nickel - 0.5-1.0%; boron - 0.05-0.1%; antimony - 0.05-0.1%; iron - 0.2-0.4%; tin constitutes the remaining percentage. ^ EFFECT: obtaining of the limit strength of the solder. ^ 1 tbl |
