Effect of phosphorus content on the wettability of Ni-P coated surfaces by SAC305 alloy

The aim of this study was to determine the effect of the chemical composition of Ni-P coating on the wettability kinetics of SAC305 liquid solder in contact with the Ni-P coating. The study was conducted in vacuum, at 230°C, for 5 minutes, usi...

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Perspectives and directions of the development of new generation lead-free soldering alloys and their application possibilities in the consumer electronics lead-free soldering technology

The new technological challenges and the high economical and commercial potential connected with the development of new generation soldering alloys used in the consumer electronics lead-free soldering technology is a subject which is gaining incre...

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Preliminary testing of microwave-cured joints made of adhesives based on hydrated sodium silicate and quartz sand

In this paper an attempt was made to explain the phenomena accompanying the formation and destruction of bonded elements of moulds and cores in which a mixture of unmodified hydrated sodium silicate with a molar module of 2.9 (...

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Assessment of cast-on-strap joints of lead acid batteries

This paper presents the results of an examination of cast-on-strap joints of lead acid batteries with different discharge capacities. The galvanic joints of lugs of selected cells in lead acid batteries were analyzed. The study showed some defects...

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